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This E-T-A 4230-T series miniature circuit breaker (MCB) is a thermal-magnetic type designed for reliable circuit protection. It is suitable for DIN rail mounting and features a lever actuator with visual status indication.
The breaker offers a 50A current rating and can handle voltages up to 480VAC across 2 or 3 poles, or 120VAC for a single pole. It also supports DC voltage ratings of up to 125VDC for 2-pole series configurations or 60VDC for single pole applications. The device meets IEC/EN 60947-2, UL 1077, and UL 489 standards, with rupture capacities up to 10,000A.
Environmental and mechanical specifications include a wide operating temperature range from -35°C to +70°C, IP20 degree of protection, and robust construction tested for vibration, shock, and corrosion. It has a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles.
Typical applications include protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, industrial process control systems, telecommunications equipment, and power supplies.
The current rating is 50A.
It has ratings of AC 240V, AC 415V, DC 80V, DC 125V per IEC/EN 60947-2; AC 277V, AC 480Y/277V, DC 60V, DC 125V per UL 1077; and AC 120V, AC 240V, AC 480Y/277V, DC 60V, DC 125V per UL 489.
It has 3 poles.
It is a thermal magnetic circuit breaker.
It is designed for DIN rail mounting.
The operating temperature range is -35°C to +70°C.
The RoHS status is RoHS3 Compliant.