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The E-T-A 4230-T120-K0BU-20A is a thermal-magnetic miniature circuit breaker (MCB) 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 20A and can handle voltages up to 480VAC or 125VDC. It offers a high rupture capacity of 10,000A AC/DC according to UL 489 and IEC/EN 60947-2 (Icu).
The device is suitable for DIN rail mounting and features screw terminals for connection. It operates within an ambient temperature range of -35°C to +70°C. Typical applications include protection of cables, motors, generators, transformers, and electronic equipment.
Key specifications include a degree of protection IP20, impulse withstand voltage of 4kV, and pollution degree 3. The breaker has a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles.
| 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 20A.
It supports up to 480VAC or 125VDC.
The rupture capacity is 10,000A AC/DC.
It is designed for DIN rail mounting.
The ambient temperature range is -35°C to +70°C.