ABB CR-M110DC3 1SVR405612R8000 Plug-in interface relay

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1. Product Overview

The ABB CR-M110DC3 / 1SVR405612R8000 is a plug-in interface relay designed for signal isolation, interface conversion, and low-power circuit control in industrial automation systems. It features a standard plug-in design for easy installation, maintenance, and replacement. The CR-M110DC3 relay provides reliable electrical isolation, fast response, and long service life, making it suitable for PLC output expansion, control cabinet interfaces, and automation signal control.

2. Main Technical Specifications

• Manufacturer: ABB

• Model: CR-M110DC3 / 1SVR405612R8000

• Product Type: Plug-in Interface Relay

• Contact Configuration: 1 NO + 1 NC (depending on configuration)

• Coil Voltage: DC 24 V

• Contact Current: 6 A / 250 V AC or 6 A / 30 V DC

• Response Time: ≤ 10 ms

• Lifespan: Mechanical ≥ 10⁷ operations, Electrical ≥ 10⁵ operations

• Interface Type: Plug-in socket

• Insulation Withstand Voltage: ≥ 4 kV

• Operating Temperature: -40 °C to +70 °C

• Protection Class: IP20

• Standards Compliance: IEC 61810-1 / EN 61810-1

3. Advantages and Features

1. Reliable Signal Isolation
   Provides electrical separation between input and output, protecting control systems.

2. High-Speed Response
   Fast switching suitable for industrial automation control requirements.

3. Plug-in Design
   Enables quick replacement and maintenance, reducing downtime.

4. Long Life and High Reliability
   Industrial-grade design with long mechanical and electrical lifespan for continuous operation.

5. Standardized Interface
   Compatible with various PLCs, control cabinets, and signal expansion modules.

4. Typical Applications

• PLC output interface expansion

• Signal conversion in industrial automation systems

• Control cabinets and distribution system interfaces

• Production line machinery control signal handling

• Process automation and monitoring systems

5. Installation and Operation Notes

1. Verify that the relay coil voltage, contact configuration, and load current match the system before installation.

2. Follow wiring diagrams carefully to ensure correct connection of control signals and loads.

3. Install in a dry, ventilated environment; avoid high temperature, dust, and corrosive gases.

4. Ensure power is off when plugging or unplugging the relay to avoid contact damage.

5. Regularly inspect the relay socket, contacts, and wiring to ensure long-term stable operation.

The structure and details of the product：

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