Detailed Product Description
OM3 Moulded Case Circuit Breaker (MCCB)
Specification
Breaking capacity | N | S | H | G | X | |
Rated current of frame size Inm | 630 | 630 | ||||
Rated current In | 250,315350,400,500,630 | |||||
Rated insulation voltage Ui | 690V | |||||
Rated operating voltage Ue | 400V | |||||
Number of poles | 3 | |||||
Icu 400V/50HZ O-CO KARated ultimate short-circuit breaking capacity | 35 | 50 | 70 | 85 | 200 | |
Ics 400V/50HZ O-CO KARated service short-circuit breaking capacity | 35 | 37.5 | 52.5 | 63.75 | 200 | |
Icm 400V/50HZ O-CO KARated short-circuit making capacity | 74/0.25 | 105/0.25 | 154/0.2 | 187/0.2 | 440 | |
Uimp V Rated impulse withstand voltage | 8000 | |||||
Dielectric property V | 3000 | |||||
Endurance | Total cycles | 8000 | ||||
Electrical endurance | 1000 | |||||
Mechanical endurance | 7000 | |||||
Ionization distance mm | ≤60/0 | |||||
Over current trip unit | Thermal magnetic release |
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Intelligent trip unit |
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Utilization category | Main circuit | A/B
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Auxiliary circuit | AC-15 | |||||
Outline dimensions | Wmm | 140 140 | ||||
Lmm | 254 360 | |||||
Hmm | 103.5 103.5 |