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1SVR405613R9400 ABB CR-M220DC4LD Pluggable Relay 4 C/O 220 V DC
ABB CR-M220DC4LD is a CR-M series pluggable miniature interface relay with a 220 V DC coil, four changeover contacts rated at 250 V / 6 A, integrated LED indication and a free-wheeling diode.
£10.47
Why Choose the ABB CR-M220DC4LD Pluggable Relay?
The ABB CR-M220DC4LD is a compact and reliable pluggable miniature interface relay designed for electrical isolation, signal switching and industrial automation applications. As part of the ABB CR-M pluggable relay series, it combines a 220 V DC control coil with four changeover contacts for flexible interfacing between control equipment and connected loads.
This relay provides 4 C/O (4PDT) contacts rated at 250 V / 6 A. Its plug-in construction enables installation in compatible ABB CR-M sockets, simplifying control-panel assembly, servicing and relay replacement while providing a practical interface between PLCs, industrial controllers, sensors and actuators.
The CR-M220DC4LD includes an integrated LED status indicator and free-wheeling diode, making relay operation easy to identify while providing suppression of inductive voltage peaks in the DC coil circuit. An integrated blue test button also enables manual actuation and locking of the output contacts for commissioning, testing and maintenance.
Key Advantages
- Compact pluggable miniature interface relay for industrial control applications.
- 220 V DC rated control supply voltage.
- Four changeover (4 C/O / 4PDT) contacts for flexible multi-circuit switching.
- 250 V / 6 A output contact rating.
- Integrated LED status indication for convenient operational monitoring.
- Integrated free-wheeling diode for DC coil transient suppression.
- Blue test button allows manual actuation and locking of the output contacts.
- Plug-in construction simplifies installation, testing and replacement.
Key Features
- ABB CR-M miniature relay series.
- 220 V DC coil voltage.
- 4 C/O (4PDT) output contacts.
- 6 A contact rating.
- 250 V rated switching voltage.
- Built-in LED operating indicator.
- Built-in free-wheeling diode.
- Integrated blue test button for manual contact actuation.
- Compatible with ABB CR-M standard and logic sockets and associated accessories.
Reliable Switching for Industrial Control Systems
Pluggable interface relays such as the ABB CR-M220DC4LD provide electrical isolation, amplification and signal matching between electronic control equipment and sensor or actuator circuits. Its four changeover contacts enable several circuits to be controlled simultaneously from a single 220 V DC relay coil.
The ABB CR-M range is designed for convenient integration with PLCs, industrial PCs, fieldbus systems and conventional control circuits. The plug-in format supports efficient maintenance, while the integrated LED and manual test button make operational checks and troubleshooting easier within industrial control panels.
Typical Applications
- Industrial control cabinets and switchboards.
- PLC and industrial controller interface circuits.
- Machine control and factory automation systems.
- Signal isolation, amplification and switching.
- Sensor and actuator interface circuits.
- Motor control and auxiliary circuits.
- Process and infrastructure control systems.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | Plug-in socket | |
| Switching Current (A) | 6 A | |
| Series | CR-M | |
| ABB order code | 1SVR405613R9400 | |
| Product type | Pluggable miniature interface relay | |
| Rated control supply voltage | 220 V DC | |
| Contact configuration | 4 C/O (4PDT) | |
| Contact rating | 250 V / 6 A | |
| Maximum contact current | 6 A | |
| Maximum switched voltage | 250 V AC / DC | |
| Indicator | Integrated LED | |
| Coil protection | Integrated free-wheeling diode | |
| Manual operation | Integrated blue test button with locking function | |
| Mounting | Plug-in socket mounting | |
| Approximate dimensions | 21 × 36 × 28 mm | |
| Weight | approx. 0.033 kg |
Frequently Asked Questions
What is the ABB CR-M220DC4LD used for?
The CR-M220DC4LD is a pluggable interface relay used for electrical isolation, signal matching and switching between industrial control equipment and connected loads, sensors or actuators.
What coil voltage does the CR-M220DC4LD require?
The relay operates with a rated control supply voltage of 220 V DC.
How many contacts does the CR-M220DC4LD have?
The CR-M220DC4LD provides four changeover contacts (4 C/O / 4PDT), allowing four circuits to be switched from a single relay coil.
What is the contact rating of the ABB CR-M220DC4LD?
The relay provides a contact output rating of 250 V / 6 A.
What additional features does the CR-M220DC4LD include?
The CR-M220DC4LD includes an integrated LED indicator, free-wheeling diode and blue test button for visual status indication, DC coil transient suppression and manual actuation of the output contacts.
Trusted Industrial Relay Technology
ABB CR-M pluggable miniature interface relays provide compact, flexible and service-friendly switching and signal interfacing for industrial automation, machine control and electrical panel applications.
