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This E-T-A 4230-T series miniature circuit breaker (MCB) is a thermal-magnetic type designed for reliable circuit protection. It features a 7A current rating and a voltage rating of 277VAC or 60VDC, suitable for single-pole applications.
The breaker is built in accordance with EN 60947-2, UL 1077, and UL 489 standards, ensuring high rupture capacity. It offers a high degree of protection (IP20) and is designed for DIN rail mounting, making installation straightforward in control panels and distribution boards.
Key electrical and mechanical specifications include a high rupture capacity of 10,000A AC/DC, screw terminals for secure connections, and a wide operating ambient temperature range from -35°C to +70°C. The device also meets stringent environmental testing standards for vibration, shock, corrosion, and humidity.
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 construction and compliance with multiple international standards make it a versatile choice for various industrial and commercial applications.
The current rating is 7A.
The voltage rating is 277V AC and 60V DC.
This circuit breaker has 1 pole.
It is a thermal magnetic circuit breaker.
It is designed for DIN rail mounting.
The rupture capacity is 7,500A AC (Ics) and 10,000A AC/DC (Icu and UL 489).
The ambient temperature range is -35°C to +70°C.