Why Choose the ABB CR-M024DC4 Pluggable Relay?
The ABB CR-M024DC4 is a compact and reliable pluggable miniature interface relay designed for electrical isolation, signal switching and interface applications in industrial control and automation systems. As part of the ABB CR-M pluggable relay series, it provides four changeover contacts and operates from a 24 V DC control supply.
This relay is designed for interfacing PLCs, industrial controllers and control circuits with actuators, contactors, signalling devices and other field equipment. Its pluggable construction simplifies installation and replacement, while compatibility with ABB CR-M sockets and accessories provides flexible integration into electrical control panels.
The CR-M024DC4 provides 4 changeover (4 C/O) contacts rated at 250 V / 6 A. An integrated blue test button allows manual actuation and locking of the output contacts, supporting convenient commissioning, testing and maintenance of industrial control circuits.
Key Advantages
- Compact pluggable miniature interface relay for industrial control applications.
- 24 V DC rated control supply voltage suitable for common automation systems.
- 4 changeover contacts provide flexible multi-circuit switching.
- Contacts rated at 250 V / 6 A.
- Integrated blue test button for manual actuation and contact locking.
- Pluggable format enables straightforward installation, maintenance and replacement.
- Compatible with standard sockets, logic sockets and pluggable function modules from the ABB CR-M range.
- Suitable for electrical isolation, signal amplification and interface switching.
Key Features
- ABB CR-M pluggable miniature relay series.
- 24 V DC coil/control voltage.
- 4 C/O (SPDT) contacts.
- 6 A rated contact current.
- 250 V switching voltage.
- Silver-nickel alloy (AgNi) contact material.
- Integrated blue test button for manual operation and locking.
- Relay version without built-in LED.
- Compatible with ABB CR-M sockets, holders, markers and function modules.
- Compact miniature format for space-efficient control-panel installation.
Reliable Interface Switching for Industrial Control Systems
Interface relays provide electrical separation and signal adaptation between electronic controllers and field-level electrical equipment. The ABB CR-M range is designed for industrial applications where PLCs, controllers and automation systems need dependable switching interfaces for loads and control circuits.
With its four changeover contacts, 24 V DC coil and compact pluggable construction, the CR-M024DC4 provides flexible switching within machine and process-control systems. The integrated test button also enables technicians to manually actuate and lock the contacts during commissioning, troubleshooting and maintenance.
Typical Applications
- Industrial control panels and switchboards.
- PLC input and output interfacing.
- Electrical isolation between control and field circuits.
- Signal amplification and signal matching.
- Machine control and industrial automation systems.
- Contactor, actuator and signalling circuit switching.
- Process control and manufacturing equipment.
