Earth Leakage Current Detector

The UTC M54123L circuit for the amplifying parts of earth leakage circuit breaker consists of differential Amplifier latch circuit and voltage Regulator It is connected to the secondary side of the zero current transformer (ZCT) which detects leakage current in the both input of the Differential Amplifier Signals amplified by differential Amplifier are integrated by an external capacitor, and connects to the input terminal of latch circuit with output suitable for the characteristics of high- speed earth leakage circuit breaker. Latch circuit keeps low in the output till the input voltage reaches the fixed level, and output becomes high when the leakage current more than fixed flows. It drives a Thyristor connected to the output terminal of latch circuit. By LianShun Electronics Co., Ltd
M54123L 's PackagesM54123L 's pdf datasheet
M54123L pdf datasheet download


M54123L Pinout, Pinouts
M54123L pinout,Pin out
This is one package pinout of M54123L,If you need more pinouts please download M54123L's pdf datasheet.

M54123L Application circuits
M54123L circuits
This is one application circuit of M54123L,If you need more circuits,please download M54123L's pdf datasheet.


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