M54133A detector equivalent, earth leakage current detector.
* Improvement of ability against unwanted tripping by lightning-surge and lightning impulse. Two times counting system adopted. * Improvement of ability against unwanted.
The UTC M54133A is a semiconductor integrated circuit developed for use in high-speed earth leakage breakers incorporating functions to protect against voltage surges and inverter noise.
* FEATURES
* Improvement of ability against unwanted trip.
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