Home > Products > Vacuum Circuit Breaker > ZN12 (ZN72) -40.5 35kv Vacuum Circuit Breaker electrical medium voltage circuit breaker
ZN12 (ZN72) -40.5 35kv Vacuum Circuit Breaker electrical medium voltage circuit breaker
- 100000 Unit / Units per Month
- Ningbo & Shanghai
- T/T Credit Card
Product Details
Place of Origin: | Zhejiang, China | Brand Name: | ghorit | Model Number: | ZN12 (ZN72) -40.5 Indoor Vacuum Circuit Breaker (ACTUATOR) |
Type: | Vacuum |
Product Description
ZN12 (ZN72) -40.5 Indoor Vacuum Circuit Breaker 35KV three-phase AC 50HZ applied to power system, the circuit breaker for the ceramic structure, using the longitudinal magnetic field contacts, is small, the proliferation of breaking arc generated when current distribution in the contact on the same local melting phenomenon does not occur, but also has a low arc energy voltage (20-200V) and low chopping current (4-5A), and operate with high reliability organizations.
The circuit breaker with spring energy storage sector, can exchange energy storage, or DC operation, can also be used manually. The circuit breaker uses a special contact material, so interrupter high breaking capacity, and has a long electrical life.
The switch of simple structure, open high capacity, long life operation of fully functional no explosion risk, maintenance is simple, suitable for power plants, substation control and distribution system, protection switching, particularly suitable for heavy duty and frequent breaking operation place.
Mainly technical parameters
No | Item | Unit | Technical parameters | ||||
1 | Rated voltage | KV | 40.5 | ||||
2 | Rated current | A | 1250 | 1600 | 2000 | ||
3 | Rated short-circuit breaking current | KA | 20 | 31.5 | 25 | 31.5 | |
4 | Dynamic current (peak) | KA | 50 | 80 | 63 | 80 | |
5 | 4S thermal current | KA | 20 | 31.5 | 25 | 31.5 | |
6 | Rated short circuit making current (peak) | KA | 50 | 80 | 63 | 80 | |
7 | Rated short-circuit current breaking times | Time | 20 | ||||
8 | Rated operating sequence |
| 0-03s-Co-180s-Co | ||||
9 | Rated insulation level | 1min power frequency withstand voltage | KV | 95 | |||
Lightning impulse withstand voltage (peak) | 185 | ||||||
10 | Mechanical life | Time | 10000 | ||||
11 | Rated single capacitor device ON-OFF current | A | 630 | ||||
12 | Rated single back-to-back capacitor device current | A | 400 | ||||
13 | Rated voltage electrical energy storage | V | AC,DC 110 220 | ||||
14 | Energy Storage Power Rating | W | 275 | ||||
15 | Electrical Energy Storage Energy Storage time | S | ≤15 | ||||
16 | Hop Tripping coil rated voltage | V | AC,DC 110 220 | ||||
17 | Hop Tripping coil rated current | A | 1.91(AC) ,0.89(DC) | ||||
18 | Over-current tripping device rated current | A | 5 | ||||
19 | Contactor opening distance | MM | 25±2 | ||||
20 | Contactor Contact trip | MM | 6±2 | ||||
21 | At the different period of three consistency | MS | ≤2 | ||||
22 | Contact closing bounce time | MS |
≤3 |
Contact Us
- Ghorit Electrical Co., Ltd.
- Contact nameLingfen Bao
- Phone86-577-55771572
- AddressXinguang Industrial Zone, Liushi Town, Yueqing
Capacitor | HV Switch/DS/LBS/ES | Lights | New Products |
Others | Switchgear | Transformer | Vacuum Circuit Breaker |
Vacuum Contactor | Vacuum Interrupter |
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