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The E-T-A 104-PR-0.5A is a single-pole thermal circuit breaker designed for overcurrent protection in both AC and DC circuits. It is rated for 0.5A continuous current with a voltage rating of 240 VAC and 48 VDC. The breaker uses a thermal trip mechanism and features a push-to-reset actuator for manual reset after a fault.
This through-hole mountable device is suitable for PCB integration in industrial control panels, power supplies, and automotive auxiliary loads. It offers an operating temperature range of -20 °C to 60 °C and provides IP40 protection in the operating area, with IP00 at the terminal area. The breaker has been tested to withstand vibration of 10 g (57-500 Hz) and shock of 25 g (11 ms) per IEC standards.
The 104-PR series covers a current rating range of 0.05 A to 10 A, with this specific variant set at 0.5 A. Its compact design and reliable thermal performance make it a practical choice for applications requiring resettable overcurrent protection.
The rated voltage is 240 VAC and 48 VDC.
The operating temperature range is -20 °C to 60 °C.
The current rating is 0.5 A, with a range of 0.05 A to 10 A for the series.
It is a thermal circuit breaker.
It has 1 pole.
The actuator type is push to reset.
The operating area is IP40, and the terminal area is IP00.