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| Categories | Vacuum Interrupter |
|---|---|
| Place of Origin: | China (Mainland) |
| Brand Name: | ERFA |
| Certification: | ISO9000 |
| Model Number: | ERFA-V315 |
| 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: | 2500A |
| Rated peak withstand current: | 80KA |
| Weight of movable parts: | 3.2kg |
| Storage life: | 20years |
| Rated Operating Sequence: | O-0.3S-CO-180S-CO |
| Contacts Limit Erosion: | 3mm |
| Company Info. |
| ERFA Industries Group |
| View Contact Details |
| Product List |
Specification
| 1 | Rated Current | A | 2500 |
| 2 | Rated short-circuit breaking current | KA | 31.5 |
| 3 | Breaking operations of rated short circuit breaking current | Times | 20 |
| 4 | Rated short-time withstand current | KA | 31.5 |
| 5 | Rated duration of short-circuit | S | 4 |
| 6 | Rated peak withstand current | KA | 80 |
| 7 | Rated short -circuit making current | KA | 80 |
| 8 | Rated breaking current of single capacitor bank | A | 630 |
| 9 | Rated breaking current of back -to-back capacitor bank | A | 400 |
| 10 | Rated operating sequence | O-0.3S-CO-180S-CO | |
Mechanical data
| 1 | Weight of movable parts | Kg | 3.2 |
| 2 | Closing force due to bellow and atmosphere | N | 200±50 |
| 3 | Force required to hold contacts open at full stroke | N | 330±50 |
Mechanical requirements
| 1 | Clearance between open contacts | mm | 18±1 |
| 2 | Average opening speed(average of first 75% of contact gap) | m/s | 1.55±0.15 |
| 3 | Average closing speed(average of last 30% contact gap) | m/s | 0.7±0.2 |
| 4 | Rated added external contact final force | N | 3000±200 |
| 5 | Contact bouncing duration at closing operation | ms | ≤3 |
| 6 | Closing and opening non-simultaneity of three-phase contacts | ms | ≤1 |
| 7 | Maximum rebound during opening | mm | ≤3 |
Life
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