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This E-T-A 12-J20-40 is a compact, single-pole thermal circuit breaker socket with a push-to-reset mechanism. It is designed for use with the 1170 series circuit breakers and features blade terminals for plug-in mounting, compliant with DIN 72581 part 3.
The socket supports a wide operating voltage range of 12 VDC, 24 VDC, and 48 VDC, with a maximum voltage of 58 VDC. It is rated for a typical current of 20 A and offers a typical voltage drop of 150 mV at this rating. The interrupting capacity at 24 VDC is a minimum of 400 A.
Environmental specifications include an operating temperature range of -40°C to 85°C, an IP40 degree of protection for the operating area, and resistance to vibration, shock, corrosion, and humidity according to IEC standards. The socket has a mass of approximately 10 g.
Typical applications include extra-low voltage wiring systems on vehicles and marine craft. The version 1176 is specifically for the automotive industry, with current ratings corresponding to blade fuses.
12 VDC, also rated for 24 VDC and 48 VDC.
20 A.
-40 to 85 °C.
400 A at 24 VDC.
IP40 for operating area, IP00 for terminal area.
10 g vibration (57-500 Hz) and 50 g shock (11 ms).
Less than 150 mV typical.