Insulating Sleeve Type
Standard pole configuration for general indoor switchgear applications, compatible with GreenPower and major international brand cabinets.
GreenPower
GPVN-12kV Indoor AC High Voltage Vacuum Circuit Breaker
Rated Voltage7.2~12 kV
Rated Current630~4000 A
Mounting TypeWithdrawable or Fixed
Pole TypeInsulating Sleeve or Embedded Pole
Product Overview
GPVN-12kV indoor AC high voltage vacuum circuit breaker is a holistic and completely sealed high voltage switchgear with compact dimension and small volume. It applies to power systems of rated voltage 7.2~12kV, three-phase AC 50/60Hz, for protection and control of lines and electrical apparatus in occasions with frequent operations. The product conforms to IEC62271-100, GB1984, JB3855 and DL1403.
Embedded Pole Type
Solid-insulated embedded pole design for compact installation, higher insulation reliability, and reduced maintenance requirements.
Key Features
Holistic Sealed Structure
Completely sealed design ensures reliable insulation performance and long service life with minimal maintenance.
Good Mechanical Performance
Closing time ≤ 75ms, opening time ≤ 60ms; three-phase synchronicity and stable operation ensured.
Various Mounting Options
Available in fixed type and withdrawable (motorized) type to suit different switchgear cabinet configurations.
Sealed Vacuum Arc-Extinguishing Chamber
High-quality vacuum arc-extinguishing chamber with effective arc interruption and low cut-off characteristics.
High Mechanical Life
Mechanical life of 20,000 operations; suitable for frequent switching applications.
Model Variants
Insulating Sleeve Type (GPVN-12)
Standard configuration with insulating sleeve pole. Available in fixed and withdrawable versions. Compatible with GreenPower GPN1-12kV and major international brand metal-clad switchgear.
Embedded Pole Type (GPVN-12E)
Solid-insulated embedded pole configuration using APG epoxy molding process. Compact design with higher insulation reliability, suitable for space-constrained installations.
Technical Specifications
| Rated Voltage | 7.2~12 kV |
|---|---|
| Rated Frequency | 50/60 Hz |
| Rated Current | 630, 1000, 1250, 1600, 2000, 2500, 3150, 4000 A |
| Rated Short-Circuit Breaking Current | 20, 25, 31.5, 40, 50 kA |
| Rated Short-Circuit Making Current | 50, 63, 80, 100, 125 kA |
| Rated Short-Time Withstand Current | 20, 25, 31.5, 40, 50 kA |
| Rated Peak Withstand Current | 50, 63, 80, 100, 125 kA |
| Rated Operation Sequence | O-0.3s-CO-180s-CO / O-180s-CO-180s-CO |
| Rated Breaking Current of Single Capacitor Bank | 630 A |
| Rated Breaking Current of Back-to-Back Capacitor Bank | 400 A |
| 1min Power Frequency Withstand Voltage | Phase to phase/to earth: 42 kV, across open contacts: 48 kV |
| Lightning Impulse Withstand Voltage | Phase to phase/to earth: 75 kV, across open contacts: 85 kV |
| Mechanical Life | 20,000 operations |
| Closing Time | ≤ 75 ms |
| Opening Time | ≤ 60 ms |
| Power Storage Time Under Rated Voltage | ≤ 10 s |
| Applicable Standards | IEC62271-100, GB1984, JB3855, DL1403 |
Ambient Conditions
Ambient Temperature
-25℃ ~ +45℃, daily average ≤ 35℃
Altitude
1000m standard; up to 4500m for special ordering
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
Power Distribution Substations
Protection and control of distribution circuits in indoor substations.
Mining
Reliable circuit protection in demanding mining environments.
Commercial And Infrastructure Projects
Switchgear protection for commercial buildings, tunnels, railways, and public utility installations.
Industrial Plants
Frequent switching and protection in manufacturing facilities and process plants.
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