The UTC M54123B is a semiconductor integrated circuit with amplifier for a high-speed earth leakage circuit breaker. For the amplifying parts of earth leakage circuit breaker, the UTC M54123B consists of differential amplifier, latch circuit and voltage regulator.
| Part Number | Manufacturer | Description |
|---|---|---|
| M54123 | HAOHAI | CONTROL/DRIVER |
| M54123L | Mitsubishi Electric | EARTH LEAKAGE CURRENT DETECTOR |
| M5412222A | OKI Electric | MSM5412222A |
| M54124L | Mitsubishi Electric | EARTH LEAKAGE CURRENT DETECTOR |
| M54122L | Mitsubishi Electric | EARTH LEAKAGE CURRENT DETECTOR |
| M54125L | Mitsubishi Electric | EARTH LEAKAGE CURRENT DETECTOR |
| M54125P | Mitsubishi Electric | EARTH LEAKAGE CURRENT DETECTOR |
| M54128FP | Mitsubishi Electric | EARTH LEAKAGE CURRENT DETECTOR |
| M54128L | Mitsubishi Electric | EARTH LEAKAGE CURRENT DETECTOR |
