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The E-T-A 4230-T120-K0DE-30A is a thermal-magnetic miniature circuit breaker (MCB) designed for reliable circuit protection. It features a 2-pole configuration with a current rating of 30A and voltage ratings of 480VAC and 125VDC.
This breaker conforms to EN 60947-2, UL 1077, and UL 489 standards, offering high rupture capacity. It is suitable for protecting cables, motors, generators, transformers, and electronic equipment such as computers and telecommunication systems.
The device is designed for DIN rail mounting and features screw terminals for secure connections. Its ambient temperature range is -35°C to +70°C, making it suitable for various industrial environments. The breaker has a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles.
The interrupting capacity is 10,000 A for both AC and DC under UL 489.
For 2 or 3-pole AC operation, the voltage rating is 480Y/277 V. For 2-pole series DC operation, it is 125 V.
The ambient temperature range is -35°C to +70°C.
It is certified to UL 489 and CSA C22.2 No 235.
It uses screw terminals with a maximum tightening torque of 2 Nm.
The mechanical life is 20,000 cycles.
The degree of protection is IP20.