| 03. MC9 MCCBs 400-630A
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Moulded Case Circuit Breakers type MC409 and MC639 for rated currents of 400 and 630A.
They are equipped with electronic relays for Line or Motor protection, in standard version type SMR1 with current setting of overload channel (LT) and short-circuit (ST), or in advanced version type SMR2 with setting also of the delay times and of the emergency channel (I). On models type SMR2 can be also installed some expansion modules for Earth protection, load shedding, fault type diagnosis and Modbus communication.
Main features:
- rated current 400A and 630A
- possible versions: 3 poles, 4 poles with 3 trips, 4 poles with 3,5 trips (neutral at 50%), 4 poles with 4 trips
- with electronic protection Line or Motor, also available as switch only
- breaking capacity 50, 80 and 150kA at 415V AC
- availability of Residual Current Devices, bottom mounting
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