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| Categories | Vacuum Interrupter |
|---|---|
| Place of Origin: | China (Mainland) |
| Brand Name: | ERFA |
| Certification: | ISO9000 |
| Model Number: | ERFA-V20 |
| 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: | 2000A 1250A 1600A |
| Rated Duration Of Short-circuit: | 4S |
| Rated Peak Withstand Current: | 63KA |
| Storage Life: | 20years |
| Contacts Limit Erosion: | 3MM |
| Mechanical endurance: | 10000times |
| Company Info. |
| ERFA Industries Group |
| View Contact Details |
| Product List |
Specification
| 1 | Rated Current | A | 2000 | 1250 | 1600 | 1250 | 1250 |
| 2 | Circuit resistance at lowest rated contact force | u Ω | ≤17 | ≤25 | ≤20 | ≤25 | ≤25 |
| 3 | Rated short-circuit breaking current | KA | 25 | 12.5 | 25 | 25 | 20 |
| 4 | Breaking operations of rated short circuit breaking current | Times | 30 | ||||
| 5 | Rated short-time withstand current | KA | 25 | 12.5 | 25 | 25 | 20 |
| 6 | Rated duration of short-circuit | S | 4 | ||||
| 7 | Rated peak withstand current | KA | 63 | 31.5 | 63 | 63 | 50 |
| 8 | Rated short -circuit making current | KA | 63 | 63.5 | 63 | 63 | 50 |
| 9 | Rated breaking current of single capacitor bank | A | 630 | ||||
| 10 | Rated breaking current of back -to-back capacitor bank | A | 400 | ||||
| 11 | Rated operating sequence | O-0.3-CO-180S-CO | |||||
Mechanical data
| 1 | Weight of movable parts | Kg | 1.7 |
| 2 | Closing force due to bellow and atmosphere | N | 90±40 |
| 3 | Force required to hold contacts open at full stroke | N | 180±50 |
Mechanical requirements
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Life
| 1 | Storage life | Years | 20 |
| 2 | Mechanical endurance | Times | 10000 |
| 3 | Contacts limit erosion | Mm | 3 |

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