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RCMN100 Residual Current Relay

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RCMN100 Residual Current Relay

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RCMN100 Series Residual Current Monitoring Relay
RCMN100 Residual Current Relay

The RCMN100 series is a professional-grade electrical safety preventive monitoring solution designed for AC grounded power grids. This relay provides precise residual current measurement and fault branch identification without the need for a digital display.

Key Benefits
  • High Precision: Accurate measurement of residual current values to ground.
  • Robust Networking: RS485 communication interface for seamless host computer integration.
  • Strong Anti-Interference: Engineered for reliability in complex electrical environments.
  • Flexible Application: Compatible with CT and KCT precision residual current transformers.
Installation & Attributes
Installation Method: 35mm rail (TS35/7.5/NS 35/NS 32) for relay; punching installation for transformers.
Communication: RS485 interface support.
Monitoring Capacity: 1 residual current monitoring channel per relay.
Technical Specifications
Item Parameters
Rated Residual Operating Current (IΔn) RCMN100A(S): 0.03-0.3A; RCMN100C(S): 0.1-1.0A; RCMN100E(S): 0.5-5.0A; RCMN100G(S): 2-10A; RCMN100ZA: 0.03-10A
Relay Type Type A
Main Circuit Rated Voltage Default AC230(220)V (Customizable to 380V/110V)
Main Circuit Rated Current AC 50-2000A
Output Contact 1C contact, 5A/250V AC, 5A/30V DC
Operating Temperature -20℃ to +55℃
Protection Degree IP20
Weight Approx. 350g

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