12kV Indoor Vacuum Circuit Breaker VS1
The VS1 (also known as the ZN63) is an indoor vacuum circuit breaker available in two main configurations: withdrawable (truck-mounted) and fixed. It utilizes either an insulated cylinder or an embedded pole structure; the embedded pole design encapsulates the vacuum interrupter within epoxy resin, effectively shielding it from dust and condensation while offering superior pollution resistance and environmental adaptability. Equipped with comprehensive mechanical interlocking mechanisms, it meets "five-prevention" safety requirements and supports rated currents ranging from 630A to 3150A (specifically: 630A, 1000A, 1250A, 1600A, 2000A, 2500A, and 3150A).A range of rated current options is available.A range of rated current options is available.
Product Details
Feature
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- Broad Compatibility: Suitable for main circuit breakers in 12kV power systems,available in both withdrawable and fixed configurations.
- Vacuum Arc Extinguishing: Features a vacuum interrupter with high arc-extinguishing capability and minimal arcing; suitable for frequent operation and capable of reliably interrupting short-circuit fault currents.
- Five-Protection Interlocking: Incorporates multiple mechanical interlocks between the cabinet and the circuit breaker to prevent operational errors, complying with high-voltage power distribution safety standards.
- Comprehensive Specifications: A wide range of current ratings is available.
- Low Maintenance Costs: Low incidence of mechanical failure, mechanical service life reaches up to 10,000 operations.
Usage Conditions
- Ambient temperature: -15℃ ±40℃
- Altitude: ≤1000m (a reduced capacity version is available for high-altitude areas)
- Relative humidity: Daily average ≤95%, monthly average ≤90%
- Usage environment: No explosive or corrosive gases, no severe vibration or impact.
Technical Data
|
NO |
Name |
Unit |
Data |
| 1 |
Rated Voltage |
kV |
12 |
| 2 |
Rated frequency |
Hz |
50 |
| 3 |
Rated current |
A |
630/1250/1600/2000/2500/3150 |
| 4 |
Rated short-circuit breaking current |
kA |
20/25/31.5 |
| 5 |
Operating voltage |
V |
48/110/220 |
| 6 |
Size |
mm |
Fixed-type 700×500×600/Push-type700×700×700 |
| 7 |
Weight |
KG |
Fixed-type 65/Push-type 120 |
For customizing any other special sizes, please contact our salesman for more information.
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Next: 12kV Indoor Side-Mounted Vacuum Circuit Breaker
