Ningbo Suntech Power Machinery Tools Co., Ltd.
Professional Manufacturer and Exporter of Electric Power Field
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| Place of Origin: | Ningbo,China |
| Brand Name: | Suntech |
| Certification: | ISO |
| Model Number: | ZN63(VS1)-12 |
| Minimum Order Quantity: | 1 PCS |
|---|---|
| Price: | Get Latest Price |
| Packaging Details: | Exported Box and Carton |
| Delivery Time: | 25 days after Payment |
| Payment Terms: | L/C , T/T |
| Supply Ability: | 10000 pcs per month |
| Type: | Circuit Breaker | Name: | Vacuum Circuit Breaker |
|---|---|---|---|
| Ambient Temperature: | -40°C-+40°C | Altitude: | ≤1000m |
| High Light: | IEC 62271-100 Indoor Vacuum Circuit Breaker,12KV Indoor Vacuum Circuit Breaker,12KV High Voltage Circuit Breaker |
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Electrical 12kv High Voltage Indoor Vacuum Circuit Breaker
ZN63(VS1) indoor high-voltage alteratingcurrent vacuum circuit breaker has a frequency of 50Hz and a rated voltage of 12kV. It applies to the ecrical equipment control and protection in industial and mining enterprises, power plants and substations, priculanty to the places needing frequent operation. It can be fixed in a switch cabinet or nstalld on a handcart.
With stable performance and convenient intallation, it is the best choice for the control and protection of hig-voltage power transmission and distribution systems.
1.1 Technical parameters
| Item | Unit | Reference value | |
| Rated voltage | kV | 12 | |
| Rated insulation level |
Power frequency voltage (when losing a circuit) |
kV | Breaker 42 |
|
Impulse withstand voltage (when losing a circuit) |
kV | Breaker 75 | |
| Rated frequency | Hz | 50/60 | |
| Rated current | A | 630/1250/1600/2000/2500/3150/4000 | |
| Rated short-circuit breaking current | KA | 20,25,31.5,40 | |
| Rated short-circuit making current (peak value) | KA | 50,63,80,100 | |
| Rated short-time withstand current | KA | 20,25,31.5,40 | |
| Rated withstand current (peak value) | KA | 50,63,80,100 | |
| Required operation sequence | O-0.3s-CO-180s-CO | ||
| Rated short-circuit duration | s | 4 | |
| Times of making-breaking with the rated short-circuit current | Times | 30 | |
| Mechanical life | Times | 10000 | |
| Weight | kg | 110 | |
1.2 Mechanical parameters
| Item | Unit | Reference value |
| Gap of contacts | mm | 11±1 |
| Contact overtravel | mm | 3.5±0.5 |
| Average making speed | m/s | 0.6±0.2 |
| Average breaking speed | m/s | 1.1±0.2 |
| Bounce time in contact making | ms | ≤2 |
| Non-synchronous making/breaking of contact | ms | ≤2 ≤3(40kA) |
| Resistance of the circuit of each phase | μΩ | ≤80 |
| Permissible total wear thickness of the moving/fixed contact | mm | 3 |
| Product standards |
1. IEC 62271-100 High-voltage alternating-current circuit-breakers 2. GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards 3. GB 1984 High-voltage alternating-current circuit-breakers 4. GB311.1 Insulation co-ordination for high voltage transmission and distribution equipment |
| Ambient condition |
1. Altitude:≤1000m; 2. Ambient temperature: - 40℃-+40℃ (below 35C within 24 hours) 3. Relative humidity: ≤95% (daily average) or≤90% (monthly average) |
Contact Person: Peter
Tel: 86-13958364836
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