Description
Bender RCM420D2-220V Product Description
Technical Specifications
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Product Model: RCM420D2-220V
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Brand: Bender
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Warranty: One Year
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Input Voltage: 70–300 V AC/DC wide-range universal operating power (220V nominal)
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Operating Temperature: -25°C to 60°C (-13°F to 140°F)
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Storage Temperature: -40°C to 85°C (-40°F to 185°F)
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Response Time: Configurable start-up and release delay, fast residual current detection response
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Protection Class: Industrial standard DIN-rail module enclosure protection
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Accuracy Class: Type A high-precision detection compliant with IEC 62020 industrial standards
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Output Frequency: 42–2000 Hz wide frequency adaptive detection range
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Rated Current Range: 10mA–10A adjustable residual current monitoring range
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Communication Interface: Passive relay contact signal output
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Supported Protocols: Hardwired dry contact signal transmission
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Overload Capacity: Built-in overvoltage protection and transient power surge suppression
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Dimensions: Standard compact DIN-rail mount industrial module form factor
Product Overview
The RCM420D2-220V is a professional Type A residual current monitoring module from Bender’s LINETRAXX series, designed for safe leakage monitoring in TN, TT and ungrounded industrial power systems. This precision device accurately detects AC and pulsed DC residual currents, effectively preventing hidden electrical faults, equipment leakage damage and system grounding abnormalities in frequency converter and rectifier-equipped circuits. It features dual independent adjustable alarm thresholds and flexible delay settings to avoid false alarms while ensuring timely fault response. With wide AC/DC voltage adaptability and broad frequency detection coverage, it delivers stable monitoring performance in complex industrial power environments. Engineered for long-term continuous operation, it provides reliable electrical safety supervision for automated equipment, power distribution systems and industrial facilities, supporting system integrators and maintenance teams in standardized power safety management.
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