Professional DC SPD & AC SPD Manufacturer | VIOX Electric
VIOX Electric is a leading SPD manufacturer specializing in high-quality DC SPD and AC SPD surge protection devices. With over 15 years of manufacturing excellence, we provide comprehensive surge protection solutions for solar PV systems, residential, commercial, and industrial applications.
Our ISO 9001:2015 certified facility produces Type 1, Type 2, and Type 1+2 surge protection devices that meet international standards including IEC 61643-11, IEC 61643-31, CE, and CSA certifications. As a trusted SPD manufacturer, we serve 500+ companies worldwide with reliable surge protection technology.
បញ្ជាក់ដោយ
DC SPD Product Range - Solar & Industrial Applications
Type 2 DC SPD for Solar PV Systems
VSPDN40-DC 500V 2P T2
VSPDN40-DC 600V 2P T2
VSPDN40-DC 800V 2P T2
VSPDN40-DC 1200V 3P T2
VSPDN40-DC 1500V 3P T2
Type 1+2 DC SPD for Enhanced Protection
VSPDH6.25-DC T1+T2 800V
VSPDH6.25-DC T1+T2 1000V
VSPDH6.25-DC T1+T2 1500V
VSPDN40-DC 1200V 3P T2
AC SPD Solutions - Residential & Commercial Protection
Type 1 AC SPD for Lightning Protection
VSPDN40-AC 1P 275V
VSPDN40-AC 2P 275V
VSPDN40-AC 3P 275V
VSPDN40-AC 4P 275V
Type 2 AC SPD for Surge Protection
VSPDH12.5-AC 275V 1P T1+T2
VSPDH12.5-AC 255V 2P T1+T2
VSPDH12.5-AC 275V 3P T1+T2
VSPDH12.5-AC 275V 4P T1+T2
ការតែងតាំងខ្លួនឯងដោយសង្ខេប៖ ហេតុអ្វីត្រូវជ្រើសរើស VIOX Electric?
VIOX Electric operates as a professional SPD manufacturer with ISO 9001:2015-certified facilities where every surge protection device undergoes rigorous quality validation. Our commitment to excellence has made us a trusted partner for electrical contractors, solar installers, and OEM manufacturers worldwide.
- ការធ្វើតេស្តឈានមុខគេក្នុងឧស្សាហកម្ម: Every VIOX SPD undergoes rigorous 100% testing against international safety standards
- សម្ភារៈគុណភាពខ្ពស់៖ សមាសធាតុថ្នាក់ពិសេសធានានូវអាយុកាលប្រើប្រាស់បានយូរជាងមុន និងដំណើរការដែលអាចទុកចិត្តបាន។
- ការច្នៃប្រឌិតវិស្វកម្ម: Our R&D team continually enhances SPD technology for improved protection
- វិញ្ញាបនប័ត្រសកល: IEC, CE, UL, CCC, CB, TUV, and SAA certifications across our entire SPD range
- ការគាំទ្រទូលំទូលាយ៖ ពីការណែនាំអំពីការជ្រើសរើសរហូតដល់ការបណ្តុះបណ្តាលការដំឡើង និងសេវាកម្មក្រោយពេលលក់
VIOX SPD Wiring Diagram In PV system
Proper SPD installation in photovoltaic systems requires strategic placement and correct wiring to ensure maximum protection. Our wiring diagrams demonstrate best practices for DC SPD integration in solar installations.
PV Array → DC Combiner Box → DC SPD → Inverter → AC SPD → Electrical Panel
VIOX SPD Technical Performance
VIOX SPD Technical Performance
| ប៉ារ៉ាម៉ែត្រ | Symbol | VSPDN40-DC500 | VSPDN40-DC600 | VSPDN40-DC800 | VSPDN40-DC1000 | VSPDN40-DC1200 | VSPDN40-DC1500 |
|---|---|---|---|---|---|---|---|
| DC Maximum Continuous Operating Voltage | Ucpv | 500Vdc | 600Vdc | 800Vdc | 1000Vdc | 1200Vdc | 1500Vdc |
| Nominal Discharge Current [8/20μs] | In | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA |
| Maximum Discharge Current [8/20μs] | Imax | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA |
| Voltage Protection Level | Up | ≤2.2kV | ≤2.8kV | ≤3.2kV | ≤3.8kV | ≤4.5kV | ≤5.2kV |
| Short-circuit Current Rating | Iscpv | 10kA | 10kA | 10kA | 10kA | 10kA | 10kA |
| Response Time | tA | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns |
| Thermal Disconnection Device | – | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion |
| Max. Backup Fuse | – | 63A gPV FUSE | 63A gPV FUSE | 63A gPV FUSE | 63A gPV FUSE | 63A gPV FUSE | 63A gPV FUSE |
| Protection Mode | – | +/- → PE | +/- → PE | +/- → PE | +/- → PE | +/- → PE | +/- → PE |
| ការកំណត់រចនាសម្ព័ន្ធ | – | 2+0 | 2+0 | 2+0 | 3+0 | 3+0 | 3+0 |
| Wiring Method | – | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² |
| Normal/Fault Display | – | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red |
| Remote Signal | – | Optional | Optional | Optional | Optional | Optional | Optional |
| Maximum Remote Signal Load | – | 250V/0.5A[AC], 30V/3A[DC] | 250V/0.5A[AC], 30V/3A[DC] | 250V/0.5A[AC], 30V/3A[DC] | 250V/0.5A[AC], 30V/3A[DC] | 250V/0.5A[AC], 30V/3A[DC] | 250V/0.5A[AC], 30V/3A[DC] |
| Maximum Cross-sectional Area | – | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² |
| Installation | – | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail |
| Operating Temperature Range | Tu | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
| Protection Level | – | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 |
| Enclosure Material | – | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) |
| Product Size (L×W×H) | – | 90mm × 49mm × 67mm | 90mm × 49mm × 67mm | 90mm × 49mm × 67mm | 90mm × 49mm × 67mm | 90mm × 49mm × 67mm | 90mm × 49mm × 67mm |
| Standards Compliance | – | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 |
Notes:
- All models are Type 2 DC Surge Protection Devices
- All models use varistor voltage limiting technology with low residual voltage design
- All models feature pluggable design and internal thermal disconnection devices
- Models VSPDC500, VSPDC600, VSPDC800 use 2+0 configuration
- Models VSPDC1000, VSPDC1200, VSPDC1500 use 3+0 configuration
- All models are RoHS and REACH compliant
| ប៉ារ៉ាម៉ែត្រ | Symbol | VSPDN40-275 | VSPDN40-320 | VSPDN40-385 | VSPDN40-440 | VSPDN40-275/1+0 | VSPDN40-320/1+0 | VSPDN40-385/1+0 | VSPDN40-440/1+0 | VSPDN40-275/2+0 | VSPDN40-320/2+0 | VSPDN40-385/2+0 | VSPDN40-440/2+0 | VSPDN40-275/3+1 | VSPDN40-320/3+1 | VSPDN40-385/3+1 | VSPDN40-440/3+1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AC Operating Voltage | Un | 230Vac | 280Vac | 335Vac | 400Vac | 230Vac | 280Vac | 335Vac | 400Vac | 230Vac | 280Vac | 335Vac | 400Vac | 230Vac | 280Vac | 335Vac | 400Vac |
| Maximum Continuous Operating Voltage | Uc | 275Vac | 320Vac | 385Vac | 440Vac | 275Vac | 320Vac | 385Vac | 440Vac | 275Vac | 320Vac | 385Vac | 440Vac | 275Vac | 320Vac | 385Vac | 440Vac |
| Temporary Overvoltage Test Value TOV[50Hz/Disconnection] | Ut | 355Vac | 415Vac | 500Vac | 575Vac | 355Vac | 415Vac | 500Vac | 575Vac | 355Vac | 415Vac | 500Vac | 575Vac | 355Vac | 415Vac | 500Vac | 575Vac |
| Temporary Overvoltage Test Value TOV+30min[Disconnection] | Ut | 440Vac | 440Vac | 650Vac | 770Vac | 440Vac | 440Vac | 650Vac | 770Vac | 440Vac | 440Vac | 650Vac | 770Vac | 440Vac | 440Vac | 650Vac | 770Vac |
| Nominal Discharge Current[8/20μs] | In | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA | 20kA |
| Maximum Discharge Current[8/20μs] | Imax | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA | 40kA |
| Voltage Protection Level | Up | ≤1.4kV | ≤1.6kV | ≤1.8kV | ≤2.0kV | ≤1.5kV | ≤1.5kV | ≤1.8kV | ≤2.0kV | ≤1.6kV | ≤1.6kV | ≤1.8kV | ≤2.0kV | ≤1.5kV | ≤1.5kV | ≤1.8kV | ≤2.0kV |
| Short-circuit Current Rating backupr SCR or FUSE | Iscpv | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA |
| Response Time | tA | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns |
| Thermal Disconnection Device | – | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion |
| Max. Backup Fuse | – | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse | 63A gL/gG Fuse |
| Protection Mode | – | L/N→PE | L/N→PE | L/N→PE | L/N→PE | L→N→PE | L→N→PE | L→N→PE | L→N→PE | L/N→PE | L/N→PE | L/N→PE | L/N→PE | L→N→PE | L→N→PE | L→N→PE | L→N→PE |
| ការកំណត់រចនាសម្ព័ន្ធ | – | 2+0 | 2+0 | 2+0 | 2+0 | 1+0 | 1+0 | 1+0 | 1+0 | 2+0 | 2+0 | 2+0 | 2+0 | 3+1 | 3+1 | 3+1 | 3+1 |
| Product Size (L×W×H) | – | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo |
| Wiring Method | – | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² |
| Normal/Fault Display | – | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red |
| Remote Signal | – | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional |
| Maximum Remote Signal Load Voltage/Current | – | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] |
| Maximum Cross-sectional Area Of Remote Signal Connection Line | – | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² |
| Installation | – | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail |
| Operating Temperature Range | Tu | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
| Protection Level | – | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 |
| Enclosure Material | – | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) |
| Standards Compliance | – | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 |
Notes:
- All models are Type 2 AC Surge Protection Devices
- All models use varistor voltage limiting technology with low residual voltage design
- All models feature pluggable design and internal thermal disconnection devices
- Different configurations available: 1+0, 2+0, and 3+1
- All models are RoHS and REACH compliant
- Busbar wiring method can be used for all models
| ប៉ារ៉ាម៉ែត្រ | Symbol | VSPDH6.25-DC600 | VSPDH6.25-DC800 | VSPDH6.25-DC1000 | VSPDH6.25-DC1200 | VSPDH6.25-DC1500 |
|---|---|---|---|---|---|---|
| DC Maximum Continuous Operating Voltage | Ucpv | 600Vdc | 800Vdc | 1000Vdc | 1200Vdc | 1500Vdc |
| Nominal Discharge Current [8/20μs] | In | 20kA | 20kA | 20kA | 20kA | 20kA |
| Maximum Discharge Current [8/20μs] | Imax | 50kA | 50kA | 50kA | 50kA | 50kA |
| Impulse Discharge Current [10/350μs] | Iimp | 6.25kA | 6.25kA | 6.25kA | 5kA | 3kA |
| Total Discharge Current [10/350μs] | Itotal | 12.5kA | 12.5kA | 12.5kA | 10kA | 6kA |
| Voltage Protection Level | Up | ≤2.6kV | ≤3.2kV | ≤3.8kV | ≤4.5kV | ≤5.2kV |
| Short-circuit Current Rating | Iscpv | 10kA | 10kA | 10kA | 10kA | 10kA |
| Response Time | tA | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns |
| Thermal Disconnection Device | – | Insertion | Insertion | Insertion | Insertion | Insertion |
| Max. Backup Fuse | – | 125A gPV FUSE | 125A gPV FUSE | 125A gPV FUSE | 125A gPV FUSE | 125A gPV FUSE |
| Protection Mode | – | +/- → PE | +/- → PE | +/- → PE | +/- → PE | +/- → PE |
| ការកំណត់រចនាសម្ព័ន្ធ | – | 3+0 | 3+0 | 3+0 | 3+0 | 3+0 |
| Product Size | – | As photo | As photo | As photo | As photo | As photo |
| Wiring Method | – | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² |
| Normal/Fault Display | – | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red |
| Remote Signal | – | Optional | Optional | Optional | Optional | Optional |
| Maximum Remote Signal Load Voltage/Current | – | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] |
| Maximum Cross-sectional Area Of Remote Signal Connection Line | – | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² |
| Installation | – | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail |
| Operating Temperature Range | Tu | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
| Protection Level | – | IP20 | IP20 | IP20 | IP20 | IP20 |
| Enclosure Material | – | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) |
| Standards Compliance | – | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 | IEC 61643-31, EN 61643-31, GB/T 18802.31 |
Notes:
- All models are Type 1+2 DC Surge Protection Devices
- All models use varistor voltage limiting technology with low residual voltage design
- All models feature pluggable design and internal thermal disconnection devices
- All models use 3+0 configuration
- Impulse current capability (Iimp 6.25kA) for Type 1 protection
- All models are RoHS and REACH compliant
- Busbar wiring method can be used for all models
| ប៉ារ៉ាម៉ែត្រ | Symbol | VSPDH12.5-275 | VSPDH12.5-320 | VSPDH12.5-385 | VSPDH12.5-440 | VSPDH12.5-275/1+0 | VSPDH12.5-320/1+0 | VSPDH12.5-385/1+0 | VSPDH12.5-440/1+0 | VSPDH12.5-275/2+0 | VSPDH12.5-320/2+0 | VSPDH12.5-385/2+0 | VSPDH12.5-440/2+0 | VSPDH12.5-275/3+1 | VSPDH12.5-320/3+1 | VSPDH12.5-385/3+1 | VSPDH12.5-440/3+1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AC Operating Voltage | Un | 230Vac | 280Vac | 335Vac | 400Vac | 230Vac | 280Vac | 335Vac | 400Vac | 230Vac | 280Vac | 335Vac | 400Vac | 230Vac | 280Vac | 335Vac | 400Vac |
| Maximum Continuous Operating Voltage | Uc | 275Vac | 320Vac | 385Vac | 440Vac | 275Vac | 320Vac | 385Vac | 440Vac | 275Vac | 320Vac | 385Vac | 440Vac | 275Vac | 320Vac | 385Vac | 440Vac |
| Temporary Overvoltage Test Value TOV[50Hz/Reference] | Ut | 355Vac | 415Vac | 500Vac | 575Vac | 355Vac | 415Vac | 500Vac | 575Vac | 355Vac | 415Vac | 500Vac | 575Vac | 355Vac | 415Vac | 500Vac | 575Vac |
| Temporary Overvoltage Test Value TOV+30min[Disconnection] | Ut | 440Vac | 440Vac | 650Vac | 770Vac | 440Vac | 440Vac | 650Vac | 770Vac | 440Vac | 440Vac | 650Vac | 770Vac | 440Vac | 440Vac | 650Vac | 770Vac |
| Nominal Discharge Current[8/20μs] | In | 50kA(50kA) | 50kA(50kA) | 50kA(50kA) | 50kA(50kA) | 12.5kA | 12.5kA | 12.5kA | 12.5kA | 12.5kA | 12.5kA | 12.5kA | 12.5kA | 12.5kA | 12.5kA | 12.5kA | 12.5kA |
| Maximum Discharge Current[8/20μs] | Imax | 50kA(50kA) | 50kA(50kA) | 50kA(50kA) | 50kA(50kA) | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA |
| Impulse Discharge Current[10/350μs] | Iimp | 12.5kA | 12.5kA | 12.5kA | 10kA | 37.5kA | 37.5kA | 37.5kA | 30kA | 25kA | 25kA | 25kA | 20kA | 37.5kA | 37.5kA | 37.5kA | 30kA |
| Protection Level | Up | ≤1.5kV(1.8kA) | ≤1.6kV(1.8kA) | ≤1.8kV(2.3kA) | ≤2.0kV(2.3kA) | ≤1.5kV | ≤1.5kV | ≤1.8kV | ≤1.8kV | ≤1.6kV | ≤1.6kV | ≤1.8kV | ≤1.8kV | ≤1.5kV | ≤1.5kV | ≤1.6kV | ≤1.6kV |
| Short-circuit Current Rating backup SCR or FUSE | Iscpv | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA | 25kA |
| Response Time | tA | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns | ≤2.6ns |
| Thermal Disconnection Device | – | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion | Insertion |
| Max. Backup Fuse | – | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse | 125A gL/gG Fuse |
| Protection Mode | – | L/N→PE | L/N→PE | L/N→PE | L/N→PE | L→PE | L→PE | L→PE | L→PE | L→N→PE | L→N→PE | L→N→PE | L→N→PE | L→N→PE | L→N→PE | L→N→PE | L→N→PE |
| ការកំណត់រចនាសម្ព័ន្ធ | – | 1+0 | 1+0 | 1+0 | 1+0 | 1+0 | 1+0 | 1+0 | 1+0 | 2+0 | 2+0 | 2+0 | 2+0 | 3+1 | 3+1 | 3+1 | 3+1 |
| Product Size | – | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo | As photo |
| Wiring Method | – | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² | Screw terminal 2.5-25mm² |
| Normal/Fault Display | – | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red | Green/Red |
| Remote Signal | – | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional |
| Maximum Remote Signal Load Voltage/Current | – | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] | 250V/0.5A[AC]/30V/3A[DC] |
| Maximum Cross-sectional Area Of Remote Signal Connection Line | – | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² | 1.5mm² |
| Installation | – | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail | 35mm DIN rail |
| Operating Temperature Range | Tu | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
| Protection Level | – | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 |
| Enclosure Material | – | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) | Thermoplastic (UL94-V0) |
| Standards Compliance | – | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 | IEC 61643-11, EN 61643-11, GB/T 18802.11 |
Notes:
- All models are Type 1+2 AC Surge Protection Devices
- All models use varistor voltage limiting technology with low residual voltage design
- All models feature pluggable design and internal thermal disconnection devices
- Higher impulse current capability (Iimp 12.5kA) for Type 1 protection
- Different configurations available: 1+0, 2+0, and 3+1
- Enhanced backup fuse rating: 125A gL/gG Fuse
- Ultra-fast response time: ≤2.6ns
- All models are RoHS and REACH compliant
- Busbar wiring method can be used for all models
VIOX SPD WORKSHOP
ទទួលបានរបស់អ្នក។ SPD Sample
យើងផ្តល់គំរូ អ្នកគ្រាន់តែត្រូវប្រាប់យើងពីអ្វីដែលអ្នកត្រូវការ
More Than Just a SPD Manufacturer
At VIOX, we go beyond manufacturing SPD by offering a suite of value-added services tailored to meet your project needs. Our commitment to excellence ensures that every customer receives personalized attention, expert guidance, and seamless support throughout their journey with us.
ការប្រឹក្សាសេវាកម្ម
Whether your SPD requirements are straightforward or complex, our team provides expert advice and technical consultation. For more intricate projects, we offer in-depth engineering support to ensure optimal product selection and application, guaranteeing safety and efficiency in your electrical systems.
ការណែនាំផលិតផល
Unsure which SPD suits your system? Our specialists provide free, customized recommendations based on your specific operational and environmental requirements, ensuring you get the perfect fit for your electrical protection needs.
ការគាំទ្រផ្នែកដឹកជញ្ជូន
ប្រសិនបើអ្នកខ្វះអ្នកដឹកជញ្ជូនដែលអាចទុកចិត្តបាន យើងអាចរៀបចំការដឹកជញ្ជូនពីរោងចក្ររបស់យើងទៅកាន់ទីតាំងគម្រោងរបស់អ្នកដោយមិនគិតថ្លៃបន្ថែម។ ក្រុមភស្តុភាររបស់យើងធានានូវការដឹកជញ្ជូនទាន់ពេលវេលា និងប្រកបដោយសុវត្ថិភាព ដើម្បីរក្សាគម្រោងរបស់អ្នកតាមកាលវិភាគ កាត់បន្ថយពេលវេលារងចាំ និងការពន្យារពេល។
ការគាំទ្រការដំឡើង
Need help with installation? Our technical team is available to answer your questions or provide hands-on support. For larger projects, we can even dispatch an engineer to your site for on-the-ground assistance, ensuring your SPDs are installed correctly and function seamlessly within your electrical network.
សំណួរដែលសួរញឹកញាប់
We have compiled some common questions from our clients. If your question isn’t included here, our customer service is always available to help. We’d love to talk with you.
How Can I Get a Quote for SPD Products?
To get a quote for our SPD products, contact our customer service team. We are available 24/7. Just provide the specifics of your order like the type (DC SPD or AC SPD), voltage rating, current rating, and quantity. We’ll guide you through the entire ordering process.
What is Your MOQ for SPD Orders?
យើងមាន MOQ ទាបឬបរិមាណបញ្ជាទិញអប្បបរមា។ លោកអ្នកអាចកុម្ម៉ង់បានត្រឹមតែមួយគ្រឿងប៉ុណ្ណោះ ហើយយើងនឹងដឹកជញ្ជូនតាមការកំណត់របស់លោកអ្នក។
What Is the Turnaround Time for My SPD Order?
The standard turnaround time for our SPD products is 7 to 10 business days. Delivery time may extend by up to 15 business days due to transit. For custom or bulk orders, we can discuss the turnaround time before finalizing your order.
តើខ្ញុំអាចយកគំរូមុនពេលដាក់បញ្ជាបានទេ?
Yes, we provide SPD samples for evaluation and approval. Creating samples typically takes 3 to 7 business days.
Can You Make Customized SPD Products?
Yes, we offer customized SPD solutions. Let us know your requirements, and our expert customer service team will work with you through the design process.
What is Your Warranty for SPD Products?
We offer a 3-year warranty on all SPD products we produce. This ensures we deliver high-quality products. Every product is thoroughly tested before delivery.
Everything About SPD
What is SPD?
A Surge Protection Device (SPD) is a vital electrical safety device designed to protect against voltage surges and electrical transients. It functions by providing a low-impedance path for surge currents, diverting them away from sensitive equipment. When the SPD detects a voltage surge exceeding the normal operating level, it rapidly conducts the excess energy to ground, typically within nanoseconds.
SPDs are essential components in modern electrical systems, protecting expensive equipment from damage caused by lightning strikes, utility switching operations, and load variations. As electrical systems become more sophisticated and sensitive, the importance of proper surge protection continues to grow.
SPD vs. Other Protection Devices
Understanding the different types of surge protection devices is crucial for selecting the right protection for your application:
- AC SPD: Provides protection against AC voltage surges and transients in alternating current systems
- DC SPD: Specifically designed for DC systems and solar applications, protecting photovoltaic installations
- Type 1 SPD: Lightning current protection for main distribution panels and service entrances
- Type 2 SPD: Surge protection for sub-distribution and final circuits
- Type 1+2 SPD: Combined protection offering both lightning and surge protection in a single device
- Type 3 SPD: Point-of-use protection for individual equipment and sensitive devices
How SPDs Work
The fundamental principle behind SPD operation is voltage limiting technology. SPDs continuously monitor the electrical system voltage levels and respond instantly to abnormal conditions:
Detection Mechanism: Metal oxide varistors (MOVs) or gas discharge tubes detect voltage variations above normal operating levels. These components have variable resistance that decreases dramatically when exposed to high voltages.
Activation Response: When voltage exceeds the protection level, the SPD conducts electricity, creating a low-impedance path to ground. This action diverts the dangerous surge current away from protected equipment.
Energy Diversion: Excess energy is safely diverted to ground, protecting connected equipment from damage. The SPDautomatically returns to its high-impedance state once the surge has passed.
Self-Protection: Modern SPDs include thermal disconnection devices that safely disconnect the unit if it becomes damaged, preventing fire hazards and maintaining system integrity.
Key Technical Parameters
- Maximum Continuous Operating Voltage (Uc): Highest voltage the SPD can withstand continuously
- Nominal Discharge Current (In): Current the SPD can handle during testing
- Maximum Discharge Current (Imax): Highest current the SPD can safely conduct
- Voltage Protection Level (Up): Maximum voltage appearing across SPD terminals
- Response Time: Time between surge detection and protection activation
SPD Selection Guide
When selecting the right AC SPD or DC SPD for your application, consider these key factors:
- System Voltage: Choose an SPD with appropriate voltage rating for your system
- ការវាយតម្លៃបច្ចុប្បន្ន៖ Select based on expected surge current levels in your application
- Protection Type: Type 1 for lightning protection, Type 2 for surge protection, Type 1+2 for combined protection
- Application: AC SPD for alternating current systems, DC SPD for direct current and solar applications
- Environmental Conditions: Consider operating temperature, humidity, and installation location
Always consult with a qualified electrician to ensure the SPD meets your specific electrical system requirements and local regulations.
SPD Installation Best Practices
Proper installation is crucial for effective SPD performance:
Location Selection: Install SPDs as close as possible to the equipment being protected. Minimize lead length to reduce voltage drop during surge events.
ការដាក់ដី៖ Ensure solid, low-impedance connection to the grounding system. Poor grounding can render SPDprotection ineffective.
Lead Length: Keep SPD connection leads as short as possible (typically less than 12 inches). Longer leads reduce protection effectiveness.
Backup Protection: Install appropriate circuit breakers or fuses to protect SPD devices from overcurrent conditions.
Multiple Levels: Use coordinated SPD protection at multiple levels (service entrance, distribution panels, equipment level) for comprehensive protection.
SPD Maintenance and Testing
Regular maintenance ensures optimal SPD performance:
ការត្រួតពិនិត្យមើលឃើញ៖ Check for physical damage, corrosion, or loose connections monthly. Look for signs of thermal stress or deterioration.
Status Indicators: Monitor SPD status indicators (typically green for normal, red for fault). Replace failed devices immediately.
Electrical Testing: Perform annual electrical testing to verify SPD functionality and protection levels. Use appropriate test equipment designed for SPD testing.
Documentation: Maintain records of SPD installation, testing, and replacement to track system performance and plan maintenance.
Replacement Criteria: Replace SPDs that show signs of damage, fail testing, or reach end of service life as specified by manufacturer.
SPD Applications and Industries
SPDs are essential in numerous applications:
Solar PV Systems: DC SPDs protect expensive photovoltaic equipment from lightning and switching surges. Both string-level and combiner box protection are typically required.
Commercial Buildings: AC SPDs protect sensitive equipment like computers, HVAC systems, and lighting controls from voltage transients.
Industrial Facilities: Protect motors, drives, PLCs, and process control equipment from surges that can cause production downtime.
Residential Applications: Whole-house SPDs protect appliances, electronics, and electrical systems from utility-related surges.
ទូរគមនាគមន៍៖ Specialized SPDs protect communication equipment from lightning and power system disturbances.
មជ្ឈមណ្ឌលទិន្នន័យ៖ Critical for protecting servers, networking equipment, and UPS systems from power quality issues.
Future of SPD Technology
The SPD industry continues to evolve with advancing technology:
Smart SPDs: Integration of monitoring and communication capabilities allows remote status monitoring and predictive maintenance.
Enhanced Materials: Development of new varistor materials with improved performance and longer life.
Modular Designs: Replaceable surge modules reduce maintenance costs and improve system reliability.
IoT Integration: SPDs with Internet of Things capabilities provide real-time monitoring and data analytics.
Green Technology: Environmentally friendly SPD designs with reduced environmental impact and improved recyclability.
Always consult with a qualified electrician to ensure the SPD meets your specific electrical system requirements and local regulations. Proper SPD selection and installation are critical for effective surge protection and electrical safety.
Yueqing: SPD Manufacturing Hub
Yueqing, a county-level city in Zhejiang Province, China, is recognized as one of the world’s largest manufacturing hubs for electrical protection devices, including Surge Protection Devices (SPDs). Known as the “Electrical Capital of China,” this city in the Wenzhou region has gained prominence due to its extensive network of electrical component manufacturers and advanced production capabilities.
The city’s dominance in SPD manufacturing is driven by its high concentration of specialized factories, such as VIOX Electric, which focus on producing high-quality electrical protection devices. Yueqing boasts state-of-the-art manufacturing facilities with automated production lines and strict quality control measures. Its proximity to major transportation hubs like Wenzhou, Ningbo, and Shanghai ports ensures efficient global distribution. Additionally, the industry emphasizes research and development, offering customized OEM/ODM solutions while adhering to international standards like UL, CE, CSA, IEC, and RoHS certifications.
Request an VIOX SPD Sample
VIOX Electric is ready to assist you with your OEM SPD needs. We offer high-quality and cost-effective solutions.
