EnglishHigh voltage vacuum circuit breakers (HV VCB) are critical components in modern power systems, providing safe, efficient fault interruption without harmful gases. In this beginner-friendly guide, Fenarro Power Technology explains how HV VCBs work, their advantages over traditional breakers, and why they're vital for 2026's sustainable energy landscape. As a leading Chinese manufacturer, Fenarro delivers IEC-certified solutions for global projects.
GW4-12-24
Fenarro
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This outdoor HV disconnector consists of a base frame, porcelain insulators, conductive parts, and a CS17 manual operating mechanism.
Single break design with double-column horizontal opening structure.
Available in non-grounded, single-grounded, and double-grounded types.
High conductivity contact materials ensure low contact resistance and reliable performance.
Manual operation with CS17 mechanism, providing smooth and convenient switching.
Compact design, easy installation and maintenance.
Designed for safe isolation under no-load operation.
| Item | Unit | Parameter | ||
|---|---|---|---|---|
| Rated Voltage | kV | 10 | 15 | 20 |
| Maximum Voltage | kV | 12 | 17.5 | 24 |
| Rated Current | kA | 400 630 1250 | ||
| Rated Thermal Stability Current (4s, effective value) | kA | 16 | 20 | 31.5 |
| Rated Dynamic Stability Current (peak value) | kA | 40 | 50 | 80 |
| 1min Power Frequency Withstand Voltage (effective value) | ||||
| - To Ground | kV | 42 | 45 | |
| - Across Contacts | kV | 50 | 55 | |
| Rated Lightning Impulse Withstand Voltage (peak value) | ||||
| - To Ground | kV | 75 | 105 | |
| - Across Contacts | kV | 85 | 125 | |
| Rated Static Tensile Force of Terminal | N | 500 | ||
When placing an order, please specify:
Model and specification of the disconnector.
Rated electrical parameters (voltage, current, insulation level).
Type required: non-grounded / single-grounded / double-grounded.
Operating mechanism type (manual CS17 or electric CJ6 if required).
Special accessories or spare parts (if needed).
This outdoor HV disconnector consists of a base frame, porcelain insulators, conductive parts, and a CS17 manual operating mechanism.
Single break design with double-column horizontal opening structure.
Available in non-grounded, single-grounded, and double-grounded types.
High conductivity contact materials ensure low contact resistance and reliable performance.
Manual operation with CS17 mechanism, providing smooth and convenient switching.
Compact design, easy installation and maintenance.
Designed for safe isolation under no-load operation.
| Item | Unit | Parameter | ||
|---|---|---|---|---|
| Rated Voltage | kV | 10 | 15 | 20 |
| Maximum Voltage | kV | 12 | 17.5 | 24 |
| Rated Current | kA | 400 630 1250 | ||
| Rated Thermal Stability Current (4s, effective value) | kA | 16 | 20 | 31.5 |
| Rated Dynamic Stability Current (peak value) | kA | 40 | 50 | 80 |
| 1min Power Frequency Withstand Voltage (effective value) | ||||
| - To Ground | kV | 42 | 45 | |
| - Across Contacts | kV | 50 | 55 | |
| Rated Lightning Impulse Withstand Voltage (peak value) | ||||
| - To Ground | kV | 75 | 105 | |
| - Across Contacts | kV | 85 | 125 | |
| Rated Static Tensile Force of Terminal | N | 500 | ||
When placing an order, please specify:
Model and specification of the disconnector.
Rated electrical parameters (voltage, current, insulation level).
Type required: non-grounded / single-grounded / double-grounded.
Operating mechanism type (manual CS17 or electric CJ6 if required).
Special accessories or spare parts (if needed).