BENDER RCM475LY-7113 Residual Current Monitor

BENDER RCM475LY-7113 is a residual current monitoring relay from Bender RCM475 series. It continuously monitors earth leakage residual current in AC power distribution systems, detecting insulation degradation and ground fault risks at an early stage.

This DIN-rail mounted device features adjustable response current and delay time, LED bar graph indication and dual changeover alarm relays. It complies with IEC62020, widely used for industrial power cabinets, medical power systems and mining equipment spare replacement.

Data Parameters

• 1. Brand: BENDER.

• 2. Model: RCM475LY-7113.

• 3. Product Type: Residual Current Monitor / Earth Leakage Relay.

• 4. Application: AC distribution system earth fault monitoring.

• 5. Feature: Adjustable residual current threshold, 0~10s delay setting.

• 6. Characteristic: LED bar display, 2 change-over alarm contacts.

• 7. Rated Frequency: 50/60Hz AC system.

• 8. Package: Complete monitor unit, yellow housing.

• 9. Mounting: Standard DIN rail installation.

• 10. Operating Temperature: -20℃ ~ +60℃.

Core Functions

• 1. Real-time measure residual leakage current of AC distribution circuits.

• 2. Trigger relay alarm once leakage current exceeds preset threshold.

• 3. Visually show leakage level via built-in LED bar graph indicator.

• 4. Support fault memory function, latching alarm status manually reset.

• 5. Provide dry contact signals to PLC or alarm system for interlock protection.

Application Scenarios

• 1. Industrial workshop low-voltage power distribution cabinet.

• 2. Hospital isolated power supply and medical electrical safety system.

• 3. Mining, port and sewage treatment equipment earth fault protection.

• 4. Bender insulation monitoring system maintenance and spare replacement project.

• 5. Residual current monitor spare inventory backup.

FAQ

• 1. Q: What is BENDER RCM475LY-7113?
      A: It is a Bender residual current monitor used for AC earth leakage fault monitoring.

• 2. Q: Can I adjust the alarm value?
      A: Yes, both response current and alarm delay time can be adjusted on site.

• 3. Q: What is the output type?
      A: It has two potential-free changeover relay contacts for alarm output.