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The E-T-A 4230-T120-K0BE-12A 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 2-pole breaker has a current rating of 12A and can handle a voltage rating of up to 480V AC or 125V DC. It features a lever actuator and is designed for DIN rail mounting, making installation straightforward in control panels and industrial enclosures.
The breaker offers a high rupture capacity, with values up to 10,000 A (AC/DC) according to UL 489 and IEC/EN 60947-2 (Icu). It also meets insulation coordination requirements with overvoltage category III and pollution degree 3.
Environmental testing includes resistance to vibration, shock, corrosion, and humidity, ensuring durability in demanding conditions. The terminals are screw-type, supporting cable cross-sections up to 35 mm² with a maximum tightening torque of 2 Nm.
The current rating is 12A.
It supports AC voltage ratings up to 480V and DC voltage ratings up to 125V.
It is designed for DIN rail mounting.
It is a thermal magnetic circuit breaker.
It has 2 poles.
The rupture capacity is 10,000 A according to UL 489 and IEC/EN 60947-2 (Icu).
The ambient temperature range is -35°C to +70°C.