Why Choose the ABB CR-M048AC4L Pluggable Relay?
The ABB CR-M048AC4L is a compact and reliable pluggable miniature interface relay designed for electrical isolation, signal amplification and signal matching 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 and actuators.
This relay features 4 changeover (4 C/O) contacts and a 48 V AC rated control supply voltage, providing multiple switching contacts within a compact relay format. The CR-M range incorporates an integrated manual test button for convenient circuit testing and can be combined with ABB sockets and pluggable function modules to create flexible interface relay solutions.
With a contact configuration of 4 C/O contacts and a contact rating of up to 250 V, 6 A, the CR-M048AC4L is well suited to industrial control panels, machinery, PLC interfaces and signal switching applications. The integrated LED provides clear visual indication of relay status, helping simplify commissioning, operation and fault finding.
Key Advantages
- Compact pluggable miniature interface relay for industrial automation.
- 48 V AC rated control supply voltage for compatible control circuits.
- 4 changeover contacts provide flexible multi-circuit switching.
- Contact rating of up to 250 V, 6 A.
- Integrated LED status indication for convenient visual monitoring.
- Integrated manual test button simplifies commissioning and circuit testing.
- Pluggable design enables straightforward relay replacement and maintenance when used with a compatible ABB socket.
- 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 AC coil / rated control supply voltage.
- 4 C/O (changeover) contacts.
- 6 A contact rating for the 4 C/O CR-M configuration.
- Switching voltage rating up to 250 V.
- Integrated LED indication.
- Integrated test button for manual actuation of the output contacts.
- Compatible with ABB CR-M relay sockets and pluggable function modules.
- Compact pluggable construction for control cabinet applications.
Reliable Interface Switching for Industrial Automation
Interface relays such as the ABB CR-M048AC4L provide galvanic isolation and reliable switching between electronic control systems and field devices. They are commonly used to interface PLCs, industrial PCs and fieldbus systems with sensors, actuators and other electrical loads while providing voltage conversion, signal amplification or circuit multiplication where required.
The ABB CR-M range is designed around a modular pluggable concept. Compatible sockets and function modules allow the relay installation to be adapted to different control-panel requirements, while the integrated test button makes manual circuit checks quick and convenient. The CR-M048AC4L combines four changeover contacts with a 48 V AC coil and LED indication for versatile industrial control applications.
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.
