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The E-T-A 4230-T120-K0CU-30A is a thermal-magnetic miniature circuit breaker (MCB) designed for reliable protection in various applications. It features a 2-pole configuration and is suitable for DIN rail mounting.
Key electrical specifications include a 30A current rating and multiple voltage ratings such as 480VAC and 125VDC, depending on the configuration and standard compliance (IEC/EN, UL 1077, UL 489). The breaker offers a high rupture capacity of up to 10,000A (AC/DC) to IEC/EN 60947-2 and UL 489 standards.
Environmental and mechanical characteristics include an operating temperature range of -35°C to +70°C, IP20 degree of protection, and screw terminals with a maximum tightening torque of 2 Nm. It has undergone tests for vibration, shock, corrosion, and humidity according to IEC standards.
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 suitable for demanding industrial environments.
The current rating is 30A.
It has multiple voltage ratings including AC 240V, AC 415V, DC 80V, DC 125V, AC 277V, AC 480Y/277V, and DC 60V, depending on the standard and pole configuration.
This circuit breaker has 2 poles.
It is a thermal magnetic circuit breaker.
The rupture capacity is 7,500 A (Ics) AC / 10,000 A (Ics) DC to IEC/EN 60947-2, and 10,000 A (Icu) AC/DC to IEC/EN 60947-2 and UL 489.
It is designed for DIN rail mounting.
The ambient temperature range is -35°C to +70°C.