BENDER RCMA470LY Residual Current Monitor

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BENDER RCMA470LY Residual Current Monitor

Product Overview

The RCMA470LY is a high-performance residual current monitor designed for TT and TN-S systems (neutral point grounded networks). It detects AC, pulsating DC, and smooth DC residual currents (leakage currents) in electrical installations, ensuring safety in industrial, commercial, and medical environments .

Key Features

✅ Wide Frequency Range

• Detects residual currents from 0–1000Hz, covering AC, DC, and mixed systems .

• Adjustable response thresholds for precise fault detection .

✅ Advanced Monitoring & Alarms

• Real-time display of measured current (as % of set value) .

• Two SPDT alarm relays (configurable as latching or non-latching) .

• LED indicators for fault status (e.g., overcurrent, CT connection errors) .

✅ Robust Industrial Design

• DIN rail mounting for easy installation in control panels .

• Self-test function for system verification .

• Operating Temp: -10°C to +50°C (standard models) .

✅ Safety Compliance

• Meets IEC 62020, IEC 60947-2 standards for residual current monitoring .

• CT connection monitoring to detect wiring faults .

Technical Specifications

The structure and details of the product：

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