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ABB CR-M024AC4LG Pluggable Relay 4C/O 24VAC
£11.50
Why Choose the ABB CR-M024AC4LG Interface Relay?
The ABB 1SVR405618R0100 is a compact and reliable CR-M024AC4LG pluggable interface relay designed for industrial automation, control panels and electrical switching applications. As part of the ABB CR-M miniature relay series, it provides dependable signal isolation and switching performance for modern control systems.
This miniature interface relay combines a 24 V AC control supply with four changeover (c/o) contacts, allowing multiple circuits to be controlled from a single input signal. Its gold-plated contacts improve contact reliability, especially in applications where low currents and sensitive loads require stable switching performance.
The ABB CR-M024AC4LG features an integrated LED indicator and test button for easier commissioning and maintenance. Its plug-in design allows quick replacement and straightforward installation with compatible ABB CR-M relay sockets on DIN rail systems.
Key Advantages
- Compact plug-in miniature interface relay for industrial control applications.
- 24 V AC coil voltage suitable for automation control circuits.
- Four changeover (SPDT) contacts for flexible switching configurations.
- Gold-plated contacts provide reliable operation with low-level signals.
- Integrated LED status indication for quick visual monitoring.
- Built-in test button simplifies commissioning and troubleshooting.
Key Features
- ABB CR-M miniature interface relay series.
- Model: CR-M024AC4LG.
- 24 V AC rated control supply voltage.
- 4 c/o (SPDT) output contacts.
- 250 V / 6 A contact rating.
- Gold-plated silver-nickel alloy contacts.
- Integrated LED coil energisation indicator.
- Orange test button for manual relay operation.
- Plug-in mounting design for ABB CR-M sockets.
Reliable Switching for Industrial Automation Systems
Interface relays such as the ABB CR-M024AC4LG provide electrical isolation between control systems and field devices while enabling reliable switching of higher-power circuits. They are widely used in automation panels where dependable signal conversion and circuit separation are required.
The CR-M series is designed for easy integration into industrial control environments. With its compact footprint, LED indication, test functionality and reliable contact technology, this relay supports efficient installation, maintenance and long-term operation.
Typical Applications
- Industrial automation control panels.
- PLC interface and signal isolation applications.
- Machine control systems.
- Motor and actuator switching circuits.
- Building automation systems.
- Industrial electrical cabinets and control equipment.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | DIN rail, Plug-in socket | |
| Switching Current (A) | 6 A | |
| Current | 6 A | |
| Coil / Supply Voltage | 24 V AC | |
| Contacts | 1 C/O | |
| IP Rating | IP40 | |
| Manufacturer | ABB | |
| Series | CR-M Interface Relays | |
| Model | CR-M024AC4LG | |
| Product ID | 1SVR405618R0100 | |
| Product type | Pluggable miniature interface relay | |
| Rated control supply voltage | 24 V AC | |
| Output contacts | 4 c/o (SPDT) | |
| Contact rating | 250 V AC / 6 A | |
| Contact material | Silver-nickel alloy with gold plating | |
| Frequency | 50 / 60 Hz | |
| Mounting type | Plug-in socket mounting / DIN rail with socket | |
| Protection rating | IP40 | |
| Dimensions (W × H × D) | approx. 21.2 × 35.6 × 27.5 mm | |
| Weight | approx. 0.033 kg | |
| HS Code | 85364900 | |
| Country of Manufacture | Poland |
Frequently Asked Questions
What is the ABB CR-M024AC4LG used for?
The ABB CR-M024AC4LG is a miniature interface relay used for signal isolation and switching in industrial automation and control systems.
What voltage does this relay require?
The relay operates with a 24 V AC control supply voltage.
How many contacts does the relay have?
The CR-M024AC4LG provides four changeover (4 c/o or SPDT) contacts for flexible circuit switching.
What is the contact rating of this relay?
The relay contacts are rated up to 250 V AC and 6 A.
Does the relay include status indication?
Yes, the relay includes an integrated LED indicator and a test button for easier operation and commissioning.
Trusted by Automation Engineers Worldwide
ABB CR-M interface relays are widely used in industrial automation systems to provide reliable switching, electrical isolation and efficient control panel integration.
