Moulded case circuit breakers (MCCB) VA44 IEK are meant to conduct current in normal mode and current shutdown in case of short circuits, overload, unacceptable drops of stress, as well as for operational connect and disconnect of electrical circuits.
Meet the requirements of GOST R 50030.2.
Simple self-installation of additional devices universal (suitable for VA44 and VA88):
- emergency contact;
- additional contact;
- shunt release;
- undervoltage release;
- combined contact.
Double insulation.
Reliable protection against overcurrents.
Compact dimensions.
Economical solution.
Weight: 1.036
Position of connection for main current circuit: EV009502
Height: 139.0
Depth: 59.0
Setting range over-current release: 10 In
Additional equipment attached at delivery: EV000154
Version: EV005518
Number of auxiliary contacts as normally closed contact: 0
Number of auxiliary contacts as normally open contact: 0
Number of auxiliary contacts as change-over contact: 0
Number of poles: 3
Device construction: EV009311
Mechanical wear resistance with maintenance: 5000
Rated surge voltage invariability: 8
Rated voltage: 400
Rated insulation voltage Ui: 400
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz: 25
Rated permanent current Iu: 250
Nominal operating max breaking capacity: 12,.
Designed for operation in electrical installations with rated operating voltage up to 400 V and rated currents from 25 to 630A.
Moulded case circuit breakers (MCCB) VA44 IEK are meant to conduct current in normal mode and current shutdown in case of short circuits, overload, unacceptable drops of stress, as well as for operational connect and disconnect of electrical circuits
