VML01 2P jordfelsbrytare med jordfelsbrytare (RCCB)
The VIOX VML01 2P Residual Current Circuit Breaker (RCCB) offers superior electrical safety for residential, commercial, and industrial applications. This magnetic-type RCCB (IEC/EN 61008-1) protects against electric shock and fire hazards by detecting earth leakage. Available in AC and A types, with sensitivities from 10mA to 300mA.
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1. Introduction to the VML01 RCCB
The VML01 Residual Current Circuit Breaker (RCCB) represents the pinnacle of electrical safety technology, designed to provide comprehensive protection against electrical hazards in residential, commercial, and industrial applications. This IEC/EN 61008-1 compliant device offers superior protection against electric shock from indirect contact, direct contact, and insulation faults that could lead to fire hazards.
As a magnetic-type residual current operated circuit breaker, the VML01 RCCB continuously monitors the balance of current flowing through live conductors and neutral within an electrical circuit. When it detects a current leakage to earth exceeding its sensitivity threshold, it rapidly disconnects the circuit, preventing potentially life-threatening situations.
2. Core Functions and Applications of VML01 RCCB
2.1 Primary Functions
- Electric Circuit Control: Provides reliable management of electrical circuits
- Personal Protection: Guards against indirect contacts and offers additional protection against direct contacts
- Fire Hazard Prevention: Protects installations against fire risks resulting from insulation faults
2.2 Application Sectors
The VML01 RCCB delivers essential safety across multiple environments:
- Residential Settings: Protecting homes and living spaces
- Tertiary Sector: Ensuring safety in commercial buildings, offices, and public facilities
- Industrial Environments: Safeguarding manufacturing plants and production facilities
2.3 Specialized Applications
With multiple sensitivity options, the VML01 RCCB is perfectly suited for:
- Precision Instrument Protection: 10mA sensitivity ideal for laboratory equipment and bathrooms
- Enhanced Personal Safety: 30mA sensitivity providing additional protection against direct contact
- Earth System Coordination: 100mA sensitivity working with earthing systems according to I²n < 50/R formula
- Fire Hazard Prevention: 300mA/500mA sensitivity protecting against both indirect contacts and fire risks
3. Technical Specifications of VML01 RCCB
3.1 Electrical Features
| Parameter | Specifikation |
|---|---|
| Model No. | VML01 |
| Poles | 2P, 4P |
| Rated current In | 16A, 25A, 32A, 40A, 63A, 80A, 100A |
| Rated Sensitivity I△n | 10mA(2P/4P 16A-40A), 30mA, 100mA, 300mA |
| Rated voltage Ue | 2P: 240V 4P: 415V |
| Insulation voltage Ui | 500V |
| Rated frequency | 50/60 Hz |
| Rated residual making and breaking capacity I△m | 1500A |
| Short-circuit current Inc=I△c | 6000A, 10000A |
| Type (wave form of the earth leakage sensed) | AC, A |
| Tripping time | Instantaneous, Short time delay, Selective |
| Break time under I△n | <0.1s(Normal type), 10ms-300ms(ASi, G, KV type), 150ms-500ms(S type) |
| Rated impulse withstand voltage(1.2/50) Uimp | 6kV |
| Dielectric test voltage at ind. Freq. for 1 min | 2.5 |
| Pollution degree | 2 |
| Elektrisk livslängd | ≥2000 |
3.2 Mechanical Features
| Parameter | Specifikation |
|---|---|
| Mekanisk livslängd | ≥2000 |
| Fault current indicator | Ja |
| Terminal protection degree | IP20 |
| Ambient temperature (with daily average ≤35°C) | -25°C to 55°C |
| Förvaringstemperatur | -40°C to 70°C |
3.3 Installation Parameters
| Parameter | Specifikation |
|---|---|
| Terminal connection type | Cable/Pin-type busbar |
| Terminal size top/bottom for cable | 25-35 mm² / 18-3/18-2 AWG |
| Terminal size top/bottom for busbar | 10/16 mm² / 18-8/18-5 AWG |
| Åtdragningsmoment | 2.5 N·m / 22 in-lbs. |
| Mounting | On DIN rail EN 60715 (35mm) by means of fast clip device |
| Connection | From top and bottom |
4. Advanced Protection Features of VML01 RCCB
4.1 Tripping Sensitivity Options
The VML01 RCCB offers multiple sensitivity thresholds to meet diverse protection requirements:
- 10mA: Provides precision instrument leakage protection and enhanced safety for bathroom installations
- 30mA: Delivers additional protection against direct contact, ideal for general residential circuits
- 100mA: Coordinates with the earth system according to the formula I²n < 50/R, providing protection against indirect contacts
- 300mA/500mA: Offers protection against indirect contacts and fire hazards, making it suitable for industrial applications
4.2 Tripping Time Classifications
The VML01 RCCB features three distinct tripping time options to suit various protection strategies:
- Instantaneous: Ensures immediate tripping without time delay, maximizing protection speed
- Short time delay (ASi, G, KV): Guarantees tripping within at least 10ms, balancing protection with operational stability
- Selective (S): Provides total discrimination with non-selective RCDs placed downstream, enabling coordinated protection in multi-level installations
4.3 Detectable Wave Form Classifications
The VML01 RCCB is available in various types to address different leakage current profiles:
- AC class: Ensures tripping for slowly increasing sinusoidal AC residual currents, suitable for basic installations
- A class: Provides tripping for sinusoidal AC residual currents and pulsed DC residual currents, whether applied suddenly or increasing slowly
- ASi Type: Combines A-type features with Super-immuned (Si) technology for high immunity to unwanted tripping
- Type F: Incorporates all ASi features plus detection of high-frequency currents up to 1 kHz
- Type B: Includes all F-type features plus detection of smooth DC currents
- Type B+: Offers all B-type capabilities plus detection of high-frequency currents up to 20 kHz
Note: The ASi type includes both G/KV function and Si function, providing comprehensive protection with enhanced immunity.
5. Installation and Integration Guidelines for VML01 RCCB
5.1 Dimensions and Mounting
The VML01 RCCB is designed for easy installation on standard 35mm DIN rails (EN 60715) using a fast clip device. The device features compact dimensions that optimize space in distribution boards while maintaining accessibility for wiring and maintenance.
5.2 Selective Coordination in Distribution Systems
The VML01 RCCB supports sophisticated protection schemes through selective coordination. In multi-level distribution systems, Selective (S) type RCCBs can be installed at upstream locations, while Instantaneous or Short time delay types are positioned downstream. This arrangement ensures that faults are isolated at the closest point to their occurrence, maintaining power to unaffected circuits.
5.3 Connection and Terminal Specifications
The device features dual connection options from both top and bottom, accommodating various installation configurations. Terminal specifications allow for:
- Cable connections up to 35 mm² (18-2 AWG)
- Pin-type busbar connections up to 16 mm² (18-5 AWG)
All terminals are rated IP20, providing finger protection while maintaining accessibility for installation and maintenance.
6. Performance and Reliability Features of VML01 RCCB
6.1 Environmental Durability
The VML01 RCCB is engineered to perform reliably across a wide temperature range:
- Operating temperature: -25°C to 55°C (with daily average ≤35°C)
- Storage temperature: -40°C to 70°C
This thermal resilience ensures consistent operation in diverse installation environments, from cold industrial settings to warm utility rooms.
6.2 Operational Lifespan
With both electrical and mechanical life ratings of ≥2000 operations, the VML01 RCCB delivers long-term reliability and reduces maintenance requirements. This extended operational lifespan translates to reduced replacement costs and enhanced system dependability.
6.3 Fault Indication
The VML01 RCCB includes a built-in fault current indicator, providing visual confirmation when a trip has occurred due to a residual current fault. This feature expedites troubleshooting and minimizes downtime during fault resolution.
7. Compliance and Certification
The VML01 RCCB is manufactured in accordance with the IEC/EN 61008-1 standard, ensuring it meets internationally recognized requirements for residual current operated circuit-breakers without integral overcurrent protection. This compliance guarantees that the device delivers reliable protection in accordance with global safety standards.
8. Why Choose the VML01 RCCB for Your Electrical Installation?
8.1 Comprehensive Protection
The VML01 RCCB provides multi-layered protection against electric shock from indirect contact, direct contact, and fire hazards resulting from insulation faults. Its diverse sensitivity options and wave form detection capabilities ensure appropriate protection for any application.
8.2 Versatility and Adaptability
With multiple pole configurations (2P, 4P), current ratings (16A to 100A), and sensitivity thresholds (10mA to 300mA), the VML01 RCCB can be precisely tailored to meet specific installation requirements across residential, commercial, and industrial environments.
8.3 Reliability and Durability
Engineered for extended operational life and consistent performance across challenging environmental conditions, the VML01 RCCB delivers dependable protection that minimizes maintenance requirements and enhances system reliability.
8.4 Installation Flexibility
The device’s DIN rail mounting system, versatile terminal connections, and compact dimensions facilitate straightforward installation in various distribution board configurations, simplifying both new installations and system upgrades.
9.VML01 2P Residual Current Operated Circuit Breaker (RCCB) Dimension
10. Conclusion
The VML01 Residual Current Circuit Breaker represents an essential component in modern electrical safety systems. By detecting current leakage and rapidly disconnecting affected circuits, it provides critical protection against electric shock and fire hazards.
With its diverse configuration options, advanced protection features, and robust construction, the VML01 RCCB delivers comprehensive safety for electrical installations across residential, commercial, and industrial applications. Whether protecting sensitive equipment, safeguarding bathroom circuits, or preventing fire hazards in industrial settings, the VML01 RCCB offers reliable, standards-compliant protection that preserves both human safety and system integrity.
For additional information or technical support regarding the VML01 RCCB, please contact our expert team who can assist with selecting the optimal configuration for your specific application requirements.
