ZW32-24 Outdoor High Voltage Vacuum Circuit Breaker
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Product Introduction：
ZW32-24 outdoor high voltage vacuum circuit breaker（short for “circuit breaker”）is an outdoor power distribution equipment suitable for three-phase system of rated voltage12KV, AC 50Hz, to open and close the load current、overload current and short-circuit current in power system. It’s applicable to substations and industrial-mining enterprises, and conditions which need frequent operations, such as in rural nets.
This circuit breaker has characteristics of small volume、light weight、anti air condensation、free maintenance etc; it can work in bad weather and pollution environment.
Conforms to regulation of:
GBl984《AC high-voltage circuit-breakers》
GB10222《Common technical requirements standard of high voltage switch equipment and control equipment》
GB311.1-6《insulation coordination of high voltage electric transmission and transformation equipment》
GB763《Thermal of AC high-voltage equipmentin the long-term work》
GB2706《Dynamic thermal stability test method of AC high-voltage equipment》
GB3309《Mechanical test of high voltage switch equipment in normal temperature》
DL/T593《Common order technical conditions of high voltage switch equipment 》
Model definition:
ZW32-24
Main technical parameters：
No. | Item | Unit | Data |
1 | Rated voltage | KV | 24 |
2 | Rated frequency | Hz | 50 |
3 | Rated current | A | 630 |
4 | Rated short-circuit breaking current | KA | 20 |
5 | Rated peak withstand current (peak) | KA | 50 |
6 | Rated short circuit resistance current | KA | 20 |
7 | Rated short-circuit making current（peak） | KA | 50 |
8 | Mechanical life | time | 10000 |
9 | Breaking time of rated short-circuit breaking current | time | 30 |
10 | 1 min power frequency withstand voltage：between poles, pole to earth/between open contacts | KV | 65/79 |
11 | Lightning impulse withstand voltage， between poles, pole to earth/between open contacts | KV | 125/145 |
12 | Secondary loop 1 min power frequency withstand voltage | KV | 2 |
- Q: What circuit symbols are used for circuit breakers
- Residual current protection device (hereinafter referred to as the NLD), which detects the residual current,
- Q: Selection of Circuit Breakers in Low Voltage Circuits
- that is, after the trip can be reset. They can also be used as power-on / off switches for protected equipment.
- Q: Household leakage circuit breakers, circuit problems
- The The 2. There are two holes at the top (one write N and the other without writing), and the bottom has two holes (one write N and the other). Above
- Q: How to protect the leakage protector leakage protection?
- Capture leakage, electric shock and other ground fault current. Trip and strokes according to its breaking reaction time cut off the power
- Q: Low-voltage circuit breaker is what can be broken and under normal conditions of the circuit
- Low-voltage circuit breaker is able to connect, carry and break the normal circuit under the conditions of the current switch
- Q: What is the difference between a circuit breaker and other switches?
- 630A the following circuit, the general use of molded case circuit breaker. Molded case circuit breakers are suitable for branch protection switches - engineers
- Q: Is this an air switch or a leak protector?
- The second with overload protection. Short circuit protection and leakage protection of the RCD. Also known as leakage circuit breaker.
- Q: Is the zero line going through the circuit breaker?
- if there is a device leakage or short shell, circuit breaker (fuse) can not be broken, So that all the lines on the line of the device shell to bring the leakage voltage.
- Q: What is the capacity of the circuit breaker
- It is the parameter that characterizes the breaking capacity of the circuit breaker. Under the rated voltage
- Q: Where will the circuit breaker auxiliary contacts be used? ,
- generally do not consider maintenance, suitable for branch protection switch, over current release There are two kinds of electromagnetic and electronic
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ZW32-24 Outdoor High Voltage Vacuum Circuit Breaker
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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