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CR-M220DC4L

The ABB CR‑M220DC4L is a pluggable miniature interface relay designed for industrial control and automation applications. It is part of ABB’s CR‑M relay series and is intended to be plugged into a compatible ABB CR‑M socket for quick assembly and snap‑on DIN‑rail mounting. The relay provides dependable switching of multiple circuits with a single control signal and includes visual indicators and test functionality for easier commissioning and troubleshooting.

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Technical Parameters Electrical Rated control supply voltage: 220 V DC Contact configuration: 4 changeover contacts (4 C/O — SPDT) Rated switching voltage: Up to 250 V AC Rated current per contact: Up to 6 A Operational current examples: AC circuits up to 6 A at ~230 V AC Control circuit switching at lower voltages Insulation: Designed for typical industrial control circuit voltages Contact indicator: Integrated LED shows coil energization Mechanical & Environmental Mounting: Pluggable into CR‑M series socket with snap‑on DIN‑rail installation (via socket) Test / manual actuation: Built‑in test button for manual contact actuation and locking Operating temperature range: –40 °C to +70 °C (approx.) Storage temperature range: –40 °C to +85 °C (approx.) Protection: Basic enclosure protection around the relay body (typically IP40 when plugged in/on socket) Physical Dimensions Width: Approx. 21.2 mm Height: Approx. 35.6 mm Depth: Approx. 27.5 mm Weight: ~0.033 kg Typical Applications Interface relay between control logic (e.g., PLC outputs) and field devices Switching and isolation of multiple circuits from a common control signal Industrial automation, machine control panels, and relay logic systems Applications requiring visual indication of relay status and easy manual testing