China CNC 63A 3p Electric Moulded Case Circuit Breakers MCCB, Find details about China Molded Case Circuit Breaker, CNC MCCB from CNC 63A 3p Electric Moulded Case Circuit Breakers MCCB
CNC 63A 3p Electric Moulded Case Circuit Breakers MCCB
Type | YCM1-63 | YCM1-125 | YCM1-250 | YCM1-400 | YCM1-630 | YCM1-800 | YCM1-1250 | ||||||||
Poles | P | 3 | 3, 4 | 2, 3, 4 | 2, 3, 4 | 3 | 4 | 3 | 4 | 3, 4 | 3 | ||||
Rated current In | A | 10, 16, 20, 25 32, 40, 50, 63 | 10, 16, 20, 25 32, 40, 50, 63 80, 100, 125 | 100, 125, 140 160, 180, 200 225, 250 | 225, 250, 315 350, 400 | 400, 500, 630 | 630, 700, 800 | 800, 1000 1250 | |||||||
Rated insulation voltage Ui | V | 500 | 800 | ||||||||||||
Rated impulse withstand voltage Uimp | V | 6000 | 8000 | ||||||||||||
Rated operation voltage Ue | V | AC400 | AC400/690 | ||||||||||||
Breaking capacity class | L | M | L | M | L | M | L | M | L | M | M | M | |||
Limit short-circuit breaking capacity Icu | kA | 400V | 35 | 50 | 35 | 50 | 35 | 50 | 50 | 65 | 50 | 65 | 75 | 85 | |
690V | 8 | 10 | 8 | 10 | 10 | 20 | 10 | 20 | 30 | 25 | |||||
Working short-circuit breaking capacity Ics | kA | 400V | 22 | 25 | 22 | 25 | 22 | 25 | 35 | 42 | 35 | 42 | 50 | 42.5 | |
690V | 4 | 5 | 4 | 5 | 5 | 10 | 5 | 10 | 15 | 12.5 | |||||
Arcing distance | mm | 50 | 100 | ||||||||||||
Operating frequency | Electrical life | 1500 | 1500 | 1000 | 1000 | 1000 | 500 | 500 | |||||||
mechanical life | 8500 | 8500 | 7000 | 4000 | 4000 | 2500 | 2500 |