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- E-mail: info@chyf.com
Description:
Main advantages Safe and reliable, able to meet operational requirements under special conditions Over 22 years of manufacturing experience Brand vacuum arc extinguishing chamber and fixed sealing pole Reliable operating mechanism Excellent operational system ensures stable quality and convenient delivery Complete solutions, convenient ordering, and easy installation Accept OEM&ODM:YES Certificate: CE,Test reports Production time: 7~ 12 working days Warranty period: 12 Months
| No. | Item | Unit | Data | ||
| 1 | Rated voltage | KV | 12 | ||
| 2 | Rated insulation level | 1 min power frequency withstand voltage | 42 | ||
| Lightning impulse withstand voltage | 75 | ||||
| 3 | Rated current | A | 630-1250 | 1250-3150 1250-4000* | |
| 4 | Rated short circuit breaking current | KA | 20 | 31.5 40 | |
| 5 | Rated short-circuit closing current (peak) | 50 | 80 100 | ||
| 6 | Rated dynamic stability current (peak) | 50 | 80 100 | ||
| 7 | Rated thermal stability current (RMS) | 20 | 31.5 40 | ||
| 8 | Rated short circuit current breaking time | Times | 30 | 30 20 | |
| 9 | Rated thermal stability time | S | 4 | ||
| 10 | Rated operating sequence | O-0.3s-CO-180s-CO | |||
| 11 | Mechanical life | Times | ≥50000 ≥50000 ≥30000** | ||
| 12 | Permanent magnet mechanism and transmission par mechanical life | Times | ≥100000 ≥100000 ≥100000 | ||
| 13 | Rated single capacitor bank breaking current | 630 | |||
| 14 | Rated back-to-back capacitor bank breaking current | A | 400 | ||
| 15 | Rated out-of-step breaking current | KA | 12.6 16 | ||
