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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 single pole configuration and is suitable for DIN rail mounting.
The breaker has a current rating of 5A and a voltage rating of 277V AC or 60V DC. It is built in accordance with EN 60947-2, UL 1077, and UL 489 standards, ensuring robust performance.
Key specifications include a rupture capacity of 7,500A (Ics) AC and 10,000A (Icu) AC/DC. The device operates within an ambient temperature range of -35°C to +70°C and offers a degree of protection of IP20.
Typical applications include the protection of cables, motors, generators, transformers, thyristors, silicon rectifiers, computers, industrial process control systems, telecommunications equipment, and power supplies.
The breaker is rated for 277VAC and 60VDC.
The operating temperature range is -35°C to 70°C.
The interrupting capacity is 7.5kA at AC (Ics) and 10kA at DC (Ics), with an ultimate breaking capacity (Icu) of 10kA.
It is designed for DIN rail mounting.
It is approved to UL489, CSA C22.2 No. 235, TÜV, and complies with IEC/EN 60947-2.
It has screw terminals accepting cables up to 35 mm², with a stripping length of 14 mm and a maximum tightening torque of 2 Nm.
Mechanical life is 20,000 cycles, electrical life is 6,000 cycles.