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This E-T-A 1170-21-15A is a compact, single-pole thermal circuit breaker with a push-to-reset, tease-free, and trip-free snap-action mechanism. It is designed for extra low voltage wiring systems found in vehicles and marine craft.
The circuit breaker has a current rating of 15A and a voltage rating of 48VDC, with a maximum voltage of 58VDC. It also supports a rated AC voltage of 240V AC. The tripping mechanism is thermal magnetic, and it features a button actuator for manual reset.
Environmental specifications include an operating temperature range of -30°C to +60°C and an ingress protection rating of IP40 for the operating area. It has undergone vibration, shock, corrosion, and humidity testing according to IEC standards.
Mounting is via a base mount with screw terminals. The breaker is designed to be compact and offers a typical life of 6,000 operations at rated current.
It supports DC voltages of 12V, 24V, and 48V (nominal, with maximum 58V) and AC rating of 240V.
Base mount with screw terminals. The device width is 22mm and mass is approximately 10g.
Per datasheet: -40°C to 85°C. Per manufacturer page: -30°C to 60°C. The datasheet range is typically used for qualification.
The breaking capacity is 25A.
6000 operations at 24VDC and 1x rated current (15A).
Operating area protection IP40, terminal area IP00. Vibration resistance 10g (57-500 Hz) and shock resistance 50g (11 ms).