Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber
Brand Name:ERFA
Certification:ISO9000
Model Number:ERFA-V12a
Minimum Order Quantity:1 unit
Delivery Time:10 days after payment
Payment Terms:T/T
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Modern enterprise Central (east zone)
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within 38 hours
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Product Details
Specification
| 1 | Rated current | A | 630 | 630 | 1250 | 1250 |
| 2 | Circuit resistance at lowest rated contact force | μΩ | ||||
| ≤25 ≤20 | ||||||
| 3 | Rated short-circuit breaking current | KA | 20 | 25 | 20 | 25 |
| 4 | Breaking operations of rated short circuit breaking current | Times | 30 | |||
| 5 | Rated short-time withstand current | KA | 20 | 25 | 20 | 25 |
| 6 | Rated duration of short-circuit | S | 4 | |||
| 7 | Rated peak withstand current | KA | 50 | 63 | 50 | 63 |
| 8 | Rated short-circuit making current | KA | 50 | 63 | 50 | 63 |
| 9 | Rated breaking current of single capacitor bank | A | 630 | |||
| 10 | Rated breaking current of back-back capacitor bank | A | 400 | |||
Mechanical data
| 1 | Weight of movable parts | Kg | 0.52 |
| 2 | Closing force due to bellow and atmosphere | N | 80±25 |
| 3 | Force required to hold contacts open at full stroke | N | 150±40 |
Long Life Interrupter In Circuit Breaker Robust Vacuum Extinguish Chamber
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