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The E-T-A 4230-T120-K0BE-25A is a thermal-magnetic miniature circuit breaker designed for reliable circuit protection. It conforms to EN 60947-2, UL 1077, and UL 489 standards.
This 2-pole breaker has a current rating of 25A and a voltage rating of 480VAC/125VDC. It offers a high rupture capacity of 10,000A AC/DC according to UL 489 and IEC/EN 60947-2 (Icu). The breaker operates within an ambient temperature range of -35°C to +70°C.
Designed for DIN rail mounting, the 4230-T120-K0BE-25A features screw terminals with a maximum tightening torque of 2 Nm and supports cable cross-sections up to 35 mm². Its mechanical life is rated for 20,000 cycles, and electrical life for 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 breaker is rated for 480VAC under UL489 and 125VDC for 2-pole series operation. Other ratings include 240VAC (1-pole IEC), 415VAC (multi-pole IEC), and 277VAC (UL1077).
-35°C to +70°C.
10,000A under IEC/EN 60947-2 (Icu) and UL 489, and 7,500A AC under IEC/EN 60947-2 (Ics).
UL 1077, UL 489, CSA C22.2 No. 235, and IEC/EN 60947-2.
This variant is a 2-pole breaker.
DIN rail mounting.
Screw terminals with a maximum tightening torque of 2 Nm.