ABB CR-S024VADC1CRZ Interface Relay Module

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Product Overview

ABB CR‑S024VADC1CRZ Interface Relay Module
The ABB CR‑S024VADC1CRZ is an industrial‑grade interface relay module designed to provide electrical isolation and signal conversion between control systems and actuators. It is commonly used for input/output expansion and isolation protection in PLC/DCS automation panels, enhancing system stability, noise immunity, and safety.

Technical Specifications

• Model: CR‑S024VADC1CRZ

• Product Type: Interface Relay Module

• Coil Voltage: 24 V DC

• Coil Power: Approx. 0.9 W (typical)

• Input Signal: DC control signal (24 V DC)

• Output Contacts: 1 set of relay output (1 form C / SPDT)

• Rated Contact Current: 6 A @ 250 V AC (resistive load)

• Contact Material: Silver alloy contacts for enhanced durability

• Insulation Withstand Voltage: ≥ 1500 V AC (between coil and contacts)

• Response Time: Approx. 10 ms (typical)

• Mechanical Life: ≥ 10,000,000 operations

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

• Mounting Method: DIN rail mounting

• Operating Temperature: ‑25 ℃ to +60 ℃

• Protection Class: IP20

• Standards: IEC 60947‑5‑1 / IEC 61010‑1 industrial control standards

Advantages and Features

1. Excellent Electrical Isolation
   Provides electrical separation between control and load circuits, improving safety and reducing interference.

2. High Reliability and Durability
   Designed with long mechanical life and robust contact materials for industrial operation.

3. Easy Installation and Maintenance
   Standard DIN rail mounting simplifies panel integration and replacement.

4. Good Noise Immunity
   Effectively suppresses interference, ensuring stable control and output behavior.

5. Wide Applicability
   Ideal for interface matching between control systems, PLC outputs, and actuators.

Typical Applications

• Electrical isolation between PLC and actuators

• I/O expansion in machine control circuits

• Signal amplification and isolation in automation lines

• Interface protection in control and distribution panels

• Reliable connection between sensors/actuators and main controllers

• Factory automation, power systems, building automation, industrial control

Installation & Usage Notes

1. Confirm Power Compatibility: Ensure the coil supply voltage is 24 V DC before installation.

2. Correct Wiring: Follow the wiring diagram carefully to avoid misconnection or damage.

3. Environmental Requirements: Install in a dry environment free of corrosive gases and strong vibration.

4. Contact Load Limits: Do not exceed the rated current and voltage of the output contacts to avoid contact damage.

5. Routine Maintenance: Periodically verify relay operation and terminal integrity to maintain long‑term reliability.