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The E-T-A 4230-T120-K0DE-40A is a two-pole, thermal-magnetic miniature circuit breaker designed for DIN rail mounting. It offers a current rating of 40A and a voltage rating of 480VAC or 125VDC.
This circuit breaker conforms to EN 60947-2, UL 1077, and UL 489 standards. It features a lever actuator and a high rupture capacity, with values up to 10,000A AC/DC according to UL 489 and IEC/EN 60947-2 (Icu). The device operates within an ambient temperature range of -35°C to +70°C.
Key specifications include screw terminals, a tightening torque of 2 Nm max, and a stripping length of 14 mm. It supports cable cross-sections up to 35 mm². The breaker has a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles.
Typical applications include the protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, industrial process control systems, telecommunications equipment, and power supplies.
The current rating is 40A.
It is rated for 480VAC and 125VDC.
This circuit breaker has 2 poles.
It is a thermal magnetic circuit breaker.
It is designed for DIN rail mounting.
The ambient temperature range is -35°C to +70°C.
The rupture capacity is 10,000A AC/DC.