Merlin Gerin MA120 Earth Leakage Closed Toroid Current Sensor
MERLIN GERIN MA120 접지 누설 폐쇄 토로이드 전류 센서는 정확한 접지 누설 전류 모니터링을 위해 설계되었으며, 높은 단락 내량과 전기 시스템의 신뢰할 수 있는 보호를 제공합니다.
MERLIN GERIN MA120 Earth Leakage Closed Toroid Current Sensor
The MERLIN GERIN MA120 Earth Leakage Closed Toroid Current Sensor is designed for accurate monitoring of earth leakage currents in electrical systems. With a high-rated operational current and a robust design, this current sensor provides reliable protection and ensures the safety of electrical installations by detecting leakage currents and potential faults.
Key Features:
- Model: MA120
- Part No.: 50440
- Range: VigiPacT / VIGIREX
- Rated Operational Current: 250 A
- Residual Short-Circuit Withstand Current: 85 kA / 0.5 s
- Network Frequency: 45 / 440 Hz
- Rated Insulation Voltage (Ui): 1000 V
- Rated Impulse Voltage (Uimp): 12 kV
- Transformer Ratio: 1/1000
- Protection Class: IP20/IP30
- Temperature Range: -35 / 70 °C
- Inner Diameter: 120 mm
- Dimensions: 164 x 190 x 44 mm
This Earth Leakage Closed Toroid Current Sensor is built for durable operation in various industrial environments, providing safety and performance even under extreme conditions. Its high short-circuit withstand capability and wide operational temperature range make it ideal for heavy-duty applications in electrical distribution and protection systems.




























