Customization: | Available |
---|---|
Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Manual Type |
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Altitude | ≤2000m (if the altitude increases , the rated insulation level should be correspondingly increased) |
Ambient Air Temperature | Upper limit +60 ° C , Lower limit -40 ° C |
Wind Pressure | ≤700Pa (equivalent to a wind speed of 34m/s) |
Seismic Intensity | ≤8 degrees |
Pollution Level | IV |
Maximum Daily Temperature Difference | ≤25 ° C |
Relative Humidity | Daily average ≤95% , Monthly average ≤90% |
Suitable for locations without flammable , explosive , chemically corrosive , and severe vibration |
Item | Unit | Data | |||
Rated Voltage | kV | ||||
Maximum Working Voltage | kV | 630 | 630 | 630 | |
Rated Current | A | 1250 | 1250 | 125 | |
Rated Short-Circuit Breaking Current | kA | 20 | 25 | 31 .5 | |
Rated Short-Circuit Closing Current | kA | 50 | 63 | 80 | |
Rated Peak Withstand Current | kA | 50 | 63 | 80 | |
4S Rated Withstand Current | kA | 20 | 25 | 31 .5 | |
Rated Insulation Level | Power Frequency Withstand Voltage (Before and After Rated Opening) | kV | 42 (Break 48) | ||
Impulse Withstand Voltage (Before and After Rated Opening) | kV | 75 (Breaker 84) | |||
Rated Operating Sequence | Open - 0 .3s - Close - 180s - Close-Open | ||||
Mechanical Life | Times | 2000 | |||
Rated Short-Circuit Breaking Current Breaking Times | Times | 50 | |||
Operating Mechanism Rated Closing Voltage (DC) | V | 110/220 | |||
Operating Mechanism Rated Opening Voltage (DC) | V | 110/220 | |||
Allowable Cumulative Wear Thickness of Moving and Static Contacts | mm | 3 |