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The E-T-A 4230-T120-K0BU-50A is a thermal-magnetic miniature circuit breaker (MCB) designed for reliable circuit protection. It features a 2-pole configuration and is suitable for DIN rail mounting, making installation straightforward in control panels and distribution systems.
This circuit breaker has a current rating of 50A and can handle voltages up to 480VAC or 125VDC, with a rupture capacity of 10,000A (AC/DC) to IEC/EN 60947-2 and UL 489 standards. Its thermal-magnetic trip mechanism provides overcurrent and short-circuit protection.
Key specifications include an ambient temperature range of -35°C to +70°C, IP20 degree of protection, and screw terminals with a maximum tightening torque of 2 Nm. The device is built to withstand mechanical and electrical stresses, with a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles.
Typical applications include the protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, industrial process control systems, telecommunications equipment, and power supplies. It meets various approval standards including CSA C22.2 No 235 and UL489.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current rating is 50A.
It supports up to 480VAC or 125VDC.
It is designed for DIN rail mounting.
The rupture capacity is 10,000A to IEC/EN 60947-2 and UL 489 standards.
The ambient temperature range is -35°C to +70°C.