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The E-T-A 4230-T130-K0BE-8A is a thermal-magnetic miniature circuit breaker (MCB) designed for reliable protection in various applications. It conforms to EN 60947-2, UL 1077, and UL 489 standards.
This 3-pole breaker has a current rating of 8A and supports a voltage rating of 480VAC or 125VDC. It offers a high rupture capacity of up to 10,000A, ensuring safety under fault conditions. The breaker is suitable for DIN rail mounting, making installation straightforward.
Key specifications include a mechanical life of 20,000 cycles and an electrical life of 6,000 cycles. The operating ambient temperature range is -35°C to +70°C. The breaker is designed with screw terminals for secure connections.
Typical applications include the protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, industrial process control systems, telecommunications equipment, and power supplies. Its robust design and high rupture capacity make it a dependable choice for critical infrastructure.
Per IEC/EN 60947-2, ratings are AC 240 V for 1-pole and AC 415 V for 2, 3, or 4-pole configurations, with DC 80 V for 1-pole and DC 125 V for 2-pole in series. Under UL 1077 and UL 489, ratings include AC 277 V, AC 480Y/277 V, DC 60 V, and DC 125 V.
The breaker mounts on DIN rail and uses screw terminals with a maximum tightening torque of 2 Nm, a stripping length of 14 mm, and cable cross-section acceptance up to 35 mm².
The ambient temperature range is -35°C to +70°C.
Per IEC/EN 60947-2, the service rupture capacity (Ics) is 7,500 A AC and 10,000 A DC, and the ultimate rupture capacity (Icu) is 10,000 A AC/DC. The UL 489 rupture capacity is 10,000 A AC/DC.
The degree of protection is IP20.
Typical mechanical life is 20,000 cycles and typical electrical life is 6,000 cycles.
The breaker carries UL 489 and CSA C22.2 No 235 approvals, and its ratings are also specified under IEC/EN 60947-2 and UL 1077.