| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Electric Type |
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Product Introduction
MW1 Series of intelligent frame circuit breaker (hereinafter referred to as circuit breaker), suitable for ac 50HZ, rated working voltage to 1000V and below, rated working current 400a-6300a power distribution network, used to allocate electrical energy to protect the line and power equipment from overload, short circuit, undervoltage, single-phase grounding and other hazards.
With intelligent and selective protection functions, the breaker can improve the reliability of power supply, and avoid unnecessary power failure. The breaker is applicable for power stations, factories, mines(for 690V) and modern high-buildings, especially for the distribution system of intelligentized building.
Operation conditions
1 Temperature condition:-5°C~40°C;The average value within 24h shall not exceed+35°C(special situation excluded);
2 Altitude:≤2000m;
3 Pollution grade:Grade 3;
4 Air conditions:
At mounting site, relative humidity not exceed 50% at the max temperature of +40°C, higher relative humidity is Allowable under lower temperature,RH could be 90% at +20°C, special measures should be taken to occurrence of dews;
Main technical parameters
| Type | 2000A | 3200A | 4000A | 6300A | |
| Frame rated current Inm(A) | 2000 | 3200 | 4000 | 6300 | |
| Number pole | 3.4 | ||||
| Rated current In(A) | 630,800,1000,1250,1600,2000A | 2000,2500,3200 | 2000,2500,3200,4000 | 4000,5000,6300 | |
| Icu(KA) | 400V | 80 | 100 | 100 | 120 |
| 690V | 50 | 65 | 65 | 80 | |
| Ics=Icw(KA) | 400V | 50 | 80 | 80 | 100 |
| 690V | 40 | 50 | 50 | 65 | |
| Rated current at N-pole In(A) | 50%In ,100%In | ||||
| Inhere making &breaking time | 23-32ms | ||||
| Operational performance | Electric life | 500 | |||
| Machanical life | Maintenance free 2500 Maintenance 10000 |
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| Mounting mode | Fixed /draw out | ||||
| Intelligent controller | Standard type M, telecommunication type H | ||||
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