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The E-T-A 127-T12-H-25A is a single-pole thermal overcurrent circuit breaker designed for reliable protection in various applications. It utilizes a push-to-reset, trip-free snap action mechanism compliant with EN 60934 standards.
This circuit breaker has a voltage rating of 250 VAC and 50 VDC (UL rated), with a current rating of 25A. It is approved by CSA, GB, IEC, and UL standards. The device is designed for DIN rail mounting and offers a degree of protection of IP40 in the operating area.
Typical applications include protection for motors, transformers, solenoids, battery chargers, and extra-low voltage systems. The breaker operates within an ambient temperature range of -20°C to +60°C and has a typical life of 5,000 operations at 2x IN.
Environmental specifications include resistance to vibration (8g), shock (25g), corrosion (96 hours salt mist), and humidity (240 hours at 95% RH). The terminal area has an IP00 degree of protection.
The breaker is rated for 250VAC, 50VDC (UL), and 28VDC.
The continuous current rating is 25A.
The ambient temperature range is -20°C to +60°C.
It mounts on a DIN rail.
For current ratings 13-25A, the interrupting capacity is 300A. Under UL 1077, it is 2,000A at 250VAC and 2,500A at 50VDC.
The typical life is 5,000 operations at 2x rated current for both inductive and resistive loads.
The operating area is IP40 and the terminal area is IP00.