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The E-T-A 4230-T120-K0CU-20A is a two-pole, thermal-magnetic miniature circuit breaker (MCB) designed for reliable circuit protection. It conforms to standards including EN 60947-2, UL 1077, and UL 489.
This breaker features a current rating of 20A and a voltage rating of 480VAC or 125VDC. It offers a high rupture capacity of 10,000A AC/DC to IEC/EN 60947-2 and UL 489 standards. The device is built for demanding environments, with an operating ambient temperature range of -35°C to +70°C and a degree of protection of IP20.
Designed for easy installation, the 4230-T120-K0CU-20A mounts directly onto a standard DIN rail. It utilizes screw terminals for secure connections, with a recommended tightening torque of 2 Nm and a maximum cable cross-section of 35 mm².
Typical applications include the protection of cables, motors, generators, transformers, and power supplies in industrial process control systems, telecommunications equipment, and computer peripheral systems.
The current rating is 20A.
It is rated for 480 VAC and 125 VDC.
This is a 2-pole circuit breaker.
It is designed for DIN rail mounting.
The rupture capacity is 10,000 A to IEC/EN 60947-2 and UL 489 standards.
The ambient temperature range is -35°C to +70°C.
The degree of protection is IP20.