Why Choose the ABB CR-M048DC4 Pluggable Relay?
The ABB CR-M048DC4 is a compact and reliable pluggable miniature interface relay designed for electrical isolation, signal amplification and signal switching in industrial control and automation systems. As part of the ABB CR-M pluggable relay range, it provides a practical interface between electronic control equipment such as PLCs and field-level sensors, actuators and other electrical loads.
This relay features 4 changeover (4 C/O) contacts and a 48 V DC rated control supply voltage, providing multiple switching contacts within a compact relay format. Its pluggable construction simplifies installation, replacement and maintenance when combined with a compatible ABB CR-M relay socket.
With a contact configuration of 4 C/O contacts and a contact rating of 250 V, 6 A, the CR-M048DC4 is well suited to industrial control panels, machinery, PLC interfaces and general-purpose signal switching applications. Its silver-nickel contacts provide dependable switching performance for a wide range of industrial control duties.
Key Advantages
- Compact pluggable miniature interface relay for industrial automation.
- 48 V DC rated control supply voltage for compatible DC control circuits.
- 4 changeover contacts provide flexible multi-circuit switching.
- 250 V, 6 A contact rating for industrial control applications.
- Silver-nickel AgNi contact material for reliable switching performance.
- Pluggable design enables straightforward relay replacement and maintenance.
- Suitable for electrical isolation, signal amplification and signal matching between controllers and field devices.
Key Features
- ABB CR-M pluggable miniature relay range.
- 48 V DC coil / rated control supply voltage.
- 4 C/O (SPDT) contacts.
- 250 V, 6 A output contact rating.
- Silver-nickel AgNi contacts.
- Pluggable construction for use with compatible ABB CR-M sockets.
- Compact design for space-efficient control cabinet installation.
- Designed for industrial interface and switching applications.
Reliable Interface Switching for Industrial Automation
Interface relays such as the ABB CR-M048DC4 provide galvanic isolation and reliable switching between electronic control systems and field devices. They are commonly used to interface PLCs and other industrial controllers with sensors, actuators and electrical loads while providing signal amplification, voltage matching or circuit multiplication where required.
The ABB CR-M range is designed around a modular pluggable concept, allowing relays to be combined with compatible sockets and accessories for flexible control-panel installations. The CR-M048DC4 combines four changeover contacts with a 48 V DC coil, making it particularly suitable for control systems where several circuits must be switched from a single relay.
Typical Applications
- PLC input and output interfacing.
- Industrial control and automation panels.
- Electrical isolation between control and field circuits.
- Signal amplification and signal matching.
- Sensor and actuator interfacing.
- Industrial machinery and production equipment.
- Control circuit multiplication and switching.
- OEM machine building and automation systems.
