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This E-T-A 129-L11-H-KF-3A is a single-pole thermal circuit breaker featuring a push-to-reset, trip-free snap action mechanism. It is designed for bolt-on mounting with a chassis mount type and screw connections.
With a rated voltage of 28V DC (and 250V AC / 50V DC per UL), this circuit breaker has a current rating of 3A, suitable for extra-low voltage wiring systems in vehicles and marine craft. It meets various approval standards including VDE IEC/EN 60934, UL 1077, and CSA C22.2 No 235.
The breaker operates within an ambient temperature range of -40°C to +75°C and has a typical life of 5,000 operations at 2x IN. Its dimensions are approximately ø4 mm x 11.5 x 31 mm, with a mass of about 25g. The degree of protection for the operating area is IP32.
The device is rated for 250 volts AC and 50 volts DC under UL certification, with a standard DC rating of 28 volts.
It uses a direct chassis mounting configuration for secure panel installation.
The unit operates reliably within an ambient temperature range of negative 40 to positive 75 degrees Celsius.
It utilizes a manual push to reset actuator for circuit restoration.
The breaker handles up to 2,500 amperes at 50 volts DC and 400 amperes for higher current ranges.
Yes, it complies with VDE IEC EN 60934, UL 1077, CSA C22.2 No 235, and BWB VG 95345 Part 9.