VIOX Blog

3-Pole vs 4-Pole SPD: 3+0, 4+0, and 3+1 Connections Explained

Blog

3-Pole vs 4-Pole SPD: 3+0, 4+0, and 3+1 Connections Explained

Joe2026-08-14

Solar, DC at Energy Storage

How to Inspect and Test a DC SPD Before Installation: What a Multimeter Can and Cannot Verify

Joe2026-08-14

How to Inspect and Test a DC SPD Before Installation: What a Multimeter Can and Cannot Verify

Power Distribution at Switchgear

AIS vs GIS vs Hybrid Switchgear (HGIS): Mga Pagkakaiba, Aplikasyon, at Pagpili

Joe2026-08-13

AIS vs GIS vs Hybrid Switchgear (HGIS): Differences, Applications, and Selection

Electrical Engineering at mga Pamantayan

Anong laki ng wire para sa 60 Amp Breaker? Gabay sa Pagpapasya ayon sa NEC

Joe2026-08-13

What Size Wire for a 60 Amp Breaker? NEC Decision Guide

Proteksyon ng Circuit

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Why Europe’s AC Boom Is a Circuit Protection Problem: MCB Curves, RCBOs, and Old Consumer Units

Proteksyon ng Circuit

Bakit ang AC Boom sa Europa ay isang Problema sa Proteksyon ng Circuit: Mga MCB Curve, RCBO, at mga Lumang Consumer Unit

Joe2026-07-05

Standard MCB Sizes: Miniature Circuit Breaker Amp Ratings, Wire Size, and IEC/NEC Guide

Proteksyon ng Circuit

Standard MCB Sizes: Mga Amp Rating ng Miniature Circuit Breaker, Sukat ng Wire, at Gabay ng IEC/NEC

Joe2026-07-03

Top 10 RCCB Brands in India: Best RCCB for Home, Price, and Selection Guide

Proteksyon ng Circuit

Nangungunang 10 Brand ng RCCB sa India: Pinakamahusay na RCCB para sa Tahanan, Presyo, at Gabay sa Pagpili

Joe2026-06-30

Industrial Control at Automation

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SPDT Relay Wiring Diagram: Terminals, Working Principle and Practical Examples

Industrial Control at Automation

Diagrama ng Pag-wire ng SPDT Relay: Mga Terminal, Prinsipyo ng Paggana, at mga Praktikal na Halimbawa

Joe2026-08-13

How to Choose a Solid State Relay (SSR): Load Type, Current Rating, Heat Sink, and Protection

Industrial Control at Automation

Paano Pumili ng Solid State Relay (SSR): Uri ng Load, Current Rating, Heat Sink, at Proteksyon

Joe2026-07-21

Auxiliary Contact vs Main Contact: Difference in Contactors and Circuit Breakers

Industrial Control at Automation

Auxiliary Contact vs Main Contact: Pagkakaiba sa mga Contactor at Circuit Breaker

Joe2026-07-04

Power Distribution at Switchgear

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AIS vs GIS vs Hybrid Switchgear (HGIS): Differences, Applications, and Selection

Power Distribution at Switchgear

AIS vs GIS vs Hybrid Switchgear (HGIS): Mga Pagkakaiba, Aplikasyon, at Pagpili

Joe2026-08-13

Copper Busbar Corrosion Explained: Oxidation, Humidity, Temperature, and Galvanic Corrosion

Power Distribution at Switchgear

Paliwanag sa Korosyon ng Copper Busbar: Oxidation, Humidity, Temperatura, at Galvanic Corrosion

Joe2026-07-06

Why Copper Busbar Joints Overheat: Contact Resistance, Temperature Rise, and Thermal Imaging Inspection

Power Distribution at Switchgear

Bakit Nag-o-overheat ang mga Copper Busbar Joint: Contact Resistance, Pagtaas ng Temperatura, at Thermal Imaging Inspection

Joe2026-07-05

Surge Protection at Power Quality

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Three-Phase Voltage Monitoring Relay Functions Explained: VIOX FCP18 Selection Guide

Surge Protection at Power Quality

Paliwanag sa mga Function ng Three-Phase Voltage Monitoring Relay: Gabay sa Pagpili ng VIOX FCP18

Joe2026-07-07

IEC 61643-11 Explained: Surge Protective Devices for Low-Voltage Power Systems

Surge Protection at Power Quality

Paliwanag sa IEC 61643-11: Mga Surge Protective Device para sa Low-Voltage Power Systems

Joe2026-06-25

How to Read an SPD Datasheet: Uc, Up, In, Imax, Iimp, Type, and Backup Fuse Explained

Surge Protection at Power Quality

Paano Basahin ang SPD Datasheet: Paliwanag sa Uc, Up, In, Imax, Iimp, Uri, at Backup Fuse

Joe2026-06-19

Solar, DC at Energy Storage

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How to Inspect and Test a DC SPD Before Installation: What a Multimeter Can and Cannot Verify

Solar, DC at Energy Storage

How to Inspect and Test a DC SPD Before Installation: What a Multimeter Can and Cannot Verify

Joe2026-08-14

PV DC Arc-Fault Protection Explained: NEC 690.11, IEC 63027, and Solar AFCI

Solar, DC at Energy Storage

Paliwanag sa PV DC Arc-Fault Protection: NEC 690.11, IEC 63027, at Solar AFCI

Joe2026-08-13

Top 10 PV Combiner Box Manufacturers in China

Solar, DC at Energy Storage

Nangungunang 10 Manufacturer ng PV Combiner Box sa China

Joe2026-06-30

Mga Electrical Enclosure at Connectivity

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NEMA vs IP Ratings for Electrical Enclosures: Indoor, Outdoor, and Corrosive Environments

Mga Electrical Enclosure at Connectivity

NEMA kumpara sa IP Ratings para sa mga Electrical Enclosure: Panloob, Panlabas, at mga Kapaligirang Kinakalawang

Joe2026-07-04

Screw vs Spring vs Push-In Terminal Blocks: Differences, Pros, Cons, and Selection Guide

Mga Electrical Enclosure at Connectivity

Screw vs Spring vs Push-In Terminal Blocks: Mga Pagkakaiba, Pros, Cons, at Gabay sa Pagpili

Joe2026-07-04

Electrical Enclosure Mounting Plate Guide: Types, Materials, and Selection Tips

Mga Electrical Enclosure at Connectivity

Gabay sa Mounting Plate ng Electrical Enclosure: Mga Uri, Materyales, at Tips sa Pagpili

Joe2026-06-07

Mga Materyales at Accessory sa Pag-wire

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Cable Tie Size Chart: Length, Width, Tensile Strength, and Bundle Diameter

Mga Materyales at Accessory sa Pag-wire

Cable Tie Size Chart: Haba, Lapad, Tensile Strength, at Bundle Diameter

Joe2026-03-11

Self-Locking vs. Reusable Cable Ties: The Engineer’s Guide to Choosing the Right Type

Mga Materyales at Accessory sa Pag-wire

Self-Locking vs. Muling Magagamit na Cable Ties: Gabay ng Inhinyero sa Pagpili ng Tamang Uri

Joe2026-03-09

Insulated vs Non-Insulated Terminals: The Engineer’s Complete Selection Guide

Mga Materyales at Accessory sa Pag-wire

Insulated kumpara sa Non-Insulated na mga Terminal: Kumpletong Gabay sa Pagpili ng Inhinyero

Joe2026-03-04

Electrical Engineering at mga Pamantayan

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What Size Wire for a 60 Amp Breaker? NEC Decision Guide

Electrical Engineering at mga Pamantayan

Anong laki ng wire para sa 60 Amp Breaker? Gabay sa Pagpapasya ayon sa NEC

Joe2026-08-13

Electrical Formulas for Low-Voltage Panel Design and Maintenance

Electrical Engineering at mga Pamantayan

Mga Electrical Formula para sa Disenyo at Pagpapanatili ng Low-Voltage Panel

Joe2026-06-21

Conductivity vs Resistivity vs %IACS: Copper, Aluminum, Silver, and Contact Materials Compared

Electrical Engineering at mga Pamantayan

Conductivity vs Resistivity vs %IACS: Paghahambing sa Copper, Aluminum, Silver, at mga Materyales na Pang-koneksyon

Joe2026-06-19