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The E-T-A 4230-T120-K0BE-15A is a thermal-magnetic miniature circuit breaker (MCB) designed for DIN rail mounting. It features a 2-pole configuration, a 15A current rating, and a voltage rating of 480VAC/125VDC.
This circuit breaker complies with EN 60947-2, UL 1077, and UL 489 standards. It offers a high rupture capacity of 10,000 A (AC/DC) to IEC/EN 60947-2 and UL 489. The device operates within an ambient temperature range of -35°C to +70°C and has a degree of protection of IP20.
Key specifications include screw terminals with a maximum tightening torque of 2 Nm, support for cable cross-sections up to 35 mm², and a mechanical life of 20,000 cycles. Typical applications include protection of cables, motors, generators, transformers, and electronic equipment.
The breaker is suitable for mounting on standard DIN rails. Its thermal-magnetic tripping mechanism ensures reliable switching behavior, and it features toggle actuation with visual status indication.
The rated current is 15 A.
Under UL 489, the AC voltage rating is 120 V for 1-pole, 240 V for 2- or 3-pole, and 277 V for 1-pole. The DC voltage rating is 60 V for 1-pole and 125 V for 2-pole.
The rupture capacity is 10,000 A under UL 489 AC/DC conditions.
The operating temperature range is -35°C to +70°C.
It is mounted on a DIN rail.
It has screw terminals accepting cables up to 35 mm² with a maximum tightening torque of 2 Nm.
It carries UL 489, UL 1077, and CSA C22.2 No. 235 approvals.