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The E-T-A 127-T12-H-3A is a single-pole thermal overcurrent circuit breaker featuring a push-to-reset, trip-free snap-action mechanism. It is approved to CBE standard EN 60934 (IEC 60934) and suitable for applications such as motors, transformers, solenoids, and battery chargers.
This circuit breaker has a voltage rating of 250V AC and 28V DC (UL: 250V AC, 50V DC) and a current rating of 3A. It is designed for DIN rail mounting and offers an ingress protection rating of IP40 in the operating area.
Key technical data includes an ambient temperature range of -20 to 60°C, a typical life of 5,000 operations at 2x IN, and interrupting capacities of 200A (Icn for 6-12A) and 300A (Icn for 13-25A). It is also approved by UL 1077, CSA C22.2 No 235, GB 17701, and IEC 60934.
The circuit breaker is rated for 250V AC, 28V DC, and 50V DC (UL).
-20 to 60°C.
DIN Rail.
The 127-T12-H-3A is rated for 3A nominal current.
Push-to-Reset.
CSA C22.2 No 235, GB 17701, IEC 60934, UL1077.
Vibration 8g (57-500 Hz), shock 25g (11ms), corrosion 96h in 5% salt mist, humidity 240h at 95% RH.