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| Categories | Vacuum Interrupter |
|---|---|
| Place of Origin: | China (Mainland) |
| Brand Name: | ERFA |
| Certification: | ISO9000 |
| Model Number: | ERFA-V12a |
| MOQ: | 1 unit |
| Price: | Negotiated |
| Packaging Details: | each piece with polly then 18pcs in a woodenbox with pallet |
| Delivery Time: | 10 days after payment |
| Payment Terms: | T/T |
| Supply Ability: | 10000pcs per month |
| Rated current: | 630A 1250A |
| Rated short-circuit breaking current: | 20KA |
| Rated duration of short-circuit: | 4S |
| Rated peak withstand current: | 50KA |
| Rated operating sequence: | O-0.3s-CO-180s-CO |
| Weight of movable parts: | 0.52 KG |
| Company Info. |
| ERFA Industries Group |
| View Contact Details |
| Product List |
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 |
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