Insulating Sleeve Type (GPVN-40.5)
Standard configuration with insulating sleeve pole. Compatible with GreenPower GPN1-40.5kV and major international brand metal-clad switchgear including VD4/HD4 type cabinets.
GreenPower
GPVN-40.5kV Indoor AC High Voltage Vacuum Circuit Breaker
Rated Voltage36/38/40.5 kV
Rated Current630~2500 A
Mounting TypeWithdrawable or Fixed
Pole TypeInsulating Sleeve or Embedded Pole
Product Overview
GPVN-40.5kV indoor vacuum circuit breaker is designed and produced in collaboration with Xi'an High-voltage Electric Apparatus Institute. The VCB is rated at 40.5kV, three-phase AC 50/60Hz, for protection and control in mining firms, power houses, and substations. It is also applicable in occasions with frequent operation.
Embedded Pole Type (GPVN-40.5E)
Solid-insulated embedded pole configuration. Compact design with higher insulation reliability for space-constrained 40.5kV installations.
Key Features
Upper Chamber Lower Mechanism
Arc-extinguishing chamber on top, operating mechanism below, enabling easy debugging and maintenance.
High-Performance Arc-Extinguishing
Compatible with Cutler-Hammer (USA) and ZMD vacuum chambers; vertical magnetic field ensures reliable switching.
Low-Maintenance Spring Mechanism
Simple spring operation requiring zero maintenance for up to 10,000 cycles.
Complex Insulating Structure
Air and organic composite insulation for compact dimensions and reduced weight, simplifying installation.
Lead-Screw Propeller Drive
Stable operation with strong self-locking capability for consistent, reliable switching performance.
Model Variants
Insulating Sleeve Type GPVN-40.5
Fixed or withdrawable configuration, compatible with GreenPower GPN1-40.5kV and major international brand switchgear cabinets.
Embedded Pole Type GPVN-40.5E
Solid-insulated embedded pole with APG epoxy molding, compact design with enhanced insulation reliability.
Permanent Magnet Type GPVN-40.5M
Permanent magnet actuator with mechanical life up to 20,000 operations, suitable for high-frequency switching applications.
Technical Specifications
| Rated Voltage | 36/38/40.5 kV |
|---|---|
| Rated Frequency | 50/60 Hz |
| Rated Current | 630, 1250, 1600, 2000, 2500 A |
| Power Frequency Withstand Voltage (1min) | 95 kV (118 kV across isolating distance) |
| Lightning Impulse Withstand Voltage (peak) | 185 kV (215 kV across isolating distance) |
| Rated Short-Circuit Breaking Current | 20, 25, 31.5 kA |
| Rated Short-Circuit Making Current (peak) | 50, 63, 80 kA |
| 4s Rated Short-Time Withstand Current | 20, 25, 31.5 kA |
| Rated Peak Withstand Current | 50, 63, 80 kA |
| Rated Operation Sequence | O-0.3s-CO-180s-CO |
| Breaking Times of Rated Short-Circuit Breaking Current | 30 times |
| Mechanical Life | 10,000 operations (20,000 for permanent magnet type) |
| Rated Breaking Current of Capacitor Bank | 400 A |
| Applicable Standards | IEC62271-100; GB1984; JB3855; DL1403 |
Operating Mechanism Motor Specifications
| Model | Rated Voltage | Rated Output Power | Normal Operating Voltage |
|---|---|---|---|
| HDZ-22301B | DC110V / AC110V / DC220V / AC220V | ≤ 230W | 85%~110% rated voltage |
Ambient Conditions
Altitude
1000m standard; up to 4500m for special ordering
Ambient Temperature
-25℃ ~ +45℃
Relative Humidity
Daily average ≤ 95%, monthly average ≤ 90%
Earthquake Intensity
≤ 8 degree
Applicable Occasions
Free from inflammables, explosives, corrosives and severe vibration
Standards And Compliance
| Standards | |
|---|---|
| Applicable Standards | IEC62271-100; GB1984; JB3855; DL1403 |
| Referenced Tests | |
|---|---|
| Summary | Full type test per IEC and GB standards; passed type test |
Typical Applications
Mining
Protection and control of high-voltage circuits in underground and surface mining operations.
Power Houses And Substations
Reliable switching and protection in power generation facilities and high-voltage substations.
Industrial Plants
Frequent switching and circuit protection in large-scale industrial manufacturing environments.
Infrastructure Projects
Suitable for railways, tunnels, petrochemical plants, and other infrastructure requiring 40.5kV protection.
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