E-T-A type 4230-T thermal-magnetic circuit breaker
The E-T-A type 4230-T is a thermal-magnetic circuit breaker, it’s designed as a standard miniature circuit breaker (MCB) with current ratings up to 63 A and a width of 18 mm per pole for rail mounting.
These single-pole and multipole thermal-magnetic MCBs are built in accordance with EN 60947-2, UL 1077 and UL 489 for DIN rail mounting with toggle actuation, visual status indication and high rupture capacity.
A positively trip-free snap action mechanism ensures reliable switching behaviour. A range of trip characteristics, add-on modules and high short circuit breaking capacity of up to 10 kA make 4230-T suitable for a variety of AC applications in mechanical engineering.
A number of add-on modules are available as options, such as an auxiliary contact module that can be used as a signal contact and is operated with the actuation of the MCB. There is also a fault indicator module that sends a signal when the MCB is tripped by a failure, but not when switched on or off manually. A working current module allows for remote tripping of the MCB and signalling whether the MCB was tripped electrically or manually.
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