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The E-T-A 4230-T120-K0CE-20A is a thermal-magnetic miniature circuit breaker (MCB) designed for reliable protection in various applications. It features a 2-pole configuration and is suitable for DIN rail mounting.
This circuit breaker boasts a high rupture capacity, rated to IEC/EN 60947-2 at 7,500 A (Ics) AC and 10,000 A (Ics) DC. It also meets UL 489 standards with an AC/DC 10,000 A rupture capacity. The device operates within an ambient temperature range of -35°C to +70°C and has a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles.
Key electrical specifications include voltage ratings up to 480VAC and 125VDC, with a specific current rating of 20A. The terminals are screw-type, supporting cable cross-sections up to 35 mm² with a maximum tightening torque of 2 Nm.
Typical applications include the protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, industrial process control systems, telecommunications equipment, and power supplies. Its robust construction and compliance with standards like EN 60947-2, UL 1077, and UL 489 make it a versatile choice for demanding environments.
The current rating for this circuit breaker is 20A.
It has voltage ratings of up to 480 VAC and 125 VDC.
This circuit breaker has 2 poles.
It is a thermal magnetic type circuit breaker.
The mounting type is DIN Rail.
The ambient temperature range is -35°C to +70°C.
The rupture capacity is 7,500 A (Ics) AC and 10,000 A (Ics) DC.