ABB CR-M220DC2L 1SVR405611R9100 Plug-in interface relay

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1. Product Overview

The ABB CR-M220DC2L 1SVR405611R9100 Plug-in Interface Relay is a universal signal relay used in industrial automation systems. It amplifies low-power control signals to drive higher loads. The relay is plug-in type, allowing fast installation and replacement. It is widely used in control panels, PLCs, DCS systems, and industrial control equipment for signal isolation, amplification, and conversion.

2. Technical Specifications

• Model: CR-M220DC2L / 1SVR405611R9100

• Product Type: Plug-in Interface Relay

• Control Voltage: DC 24 V

• Contact Type: 2 Normally Open (2 NO)

• Rated Load Current: 8 A / AC 250 V

• Mechanical Life: ≥ 10,000,000 operations

• Electrical Life: ≥ 100,000 operations (rated load)

• Operating Temperature: –40 ℃ to +60 ℃

• Mounting: Plug-in relay socket

• Degree of Protection: IP20

• Standards: IEC 61810 / CE

3. Advantages and Features

1. Quick Plug-in Design
   Enables fast installation and replacement, facilitating field maintenance.

2. High-Reliability Contacts
   Rated load capacity supports a variety of control loads.

3. Signal Isolation and Amplification
   Isolates low-power control signals and amplifies them to drive loads.

4. Industrial Durability
   High mechanical and electrical life suitable for frequent operation.

5. Wide Application Compatibility
   Seamlessly integrates with PLCs, DCS systems, and industrial control panels.

4. Applications

• Industrial automation control systems

• PLC and DCS signal interface and isolation

• Control panel relay expansion

• Machinery control and load driving

• Power, metallurgy, petrochemical, and factory automation applications

5. Installation and Usage Notes

1. Ensure the relay model is compatible with the relay socket before installation.

2. Perform wiring and installation with power disconnected for safety.

3. Ensure the load current does not exceed the rated value to prevent relay damage.

4. Regularly inspect the relay and socket contacts to ensure long-term reliable operation.

5. Avoid direct use in high humidity, dusty, or corrosive environments; provide protective covers if necessary.