Model | CJMM7DC-320 | CJMM7DC-400/630 | CJMM7DC-1600 | |||||
Rated current | 63/80/100/125 | 225/250/320/350 | 800A/1000A/1250A/1500A/1600A | |||||
140/160/180/200 | 400/500/630 | |||||||
225/250/315/320 | ||||||||
Number of poles | 2P | 2P | 3P | 4P | ||||
Rated working voltage Ue DC | DC1500V | |||||||
Rated insulation voltage Ui (V) | 1800V | |||||||
Rated impulse withstand voltage Uimp (V) | 12 | |||||||
Power frequency withstandvoltage (1min) (kV) | 3500 | |||||||
Rated ultimate short-circuit breaking capacity lcu (V) | DC1200V | DC1500V | DC750V | DC1000V | DC750V | DC1000V | DC1200V | DC1500V |
Rated service short-circuit breaking capacity lcs (kA) | 35kA | 20kA | 85kA | 50kA | 50kA | 30kA | 15kA | 10kA |
Mechanical life (kA) | 4000 | |||||||
Electrical life (times) | 10000 | |||||||
Arc distance (times) | 50/0 (with arc extinguishing chamber) | 500 | ||||||
Basic dimension W×L×H(mm) | 90×215×136 | 110×275×152 | 100 | |||||
Instantaneous release (mm) | 5In or 10In | |||||||
Reference ambient temperature (°C) | 50°C |