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The E-T-A 104-PR3-5A is a single pole thermal circuit breaker in a miniaturized design, offering reliable switching behavior with a positively trip-free snap action mechanism. It meets the requirements of EN 60934 (IEC 60934) for R-Type, TO circuit breakers.
This thermal circuit breaker has a rated voltage of 240 VAC and 48 VDC, with a current rating range from 0.05 A to 10 A. It is designed for through hole mounting and features a push-to-reset actuator.
Typical applications include hand tools, domestic appliances, overcurrent protection of PCB conductor paths, marine vehicles, and mobile homes. The device offers an interrupting capacity of 6 x IN (AC) and 6 x IN (DC), with specific rupture capacities defined under UL 1077 standards.
Environmental specifications include an operating temperature range of -20 °C to 60 °C, IP40 protection for the operating area, and IP00 for the terminal area. It also meets standards for vibration, shock resistance, corrosion, and humidity.
240 VAC and 48 VDC.
The part is rated for 5 A, with an overall current rating range of 0.05 A to 10 A.
6 x IN for both AC and DC.
-20 °C to 60 °C.
Through hole.
1 pole.
Push to reset.