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ABB CR-M125DC4LG Pack of 10 Pluggable Relays 4C/O 125VDC
£120.25 per pack of 10
Why Choose the ABB CR-M125DC4LG Interface Relay?
The ABB CR-M125DC4LG (1SVR405618R8300) is a compact and reliable pluggable miniature interface relay designed for industrial automation, control panels and electrical switching applications. As part of the ABB CR-M relay series, it provides dependable signal isolation and efficient switching of multiple circuits from a single control input.
This relay operates with a 125 V DC control supply and features four changeover (4 c/o / SPDT) contacts rated at 250 V / 6 A. The integrated gold-plated contacts improve reliability when switching small currents and sensitive loads, while the built-in LED provides clear indication of relay coil energisation.
The ABB CR-M125DC4LG is designed to plug into a compatible ABB CR-M socket, allowing the relay and socket assembly to be mounted easily onto DIN rails. Its integrated test button supports manual relay actuation, testing and commissioning, making maintenance faster and more efficient.
Key Advantages
- Compact pluggable miniature interface relay for industrial automation systems.
- 125 V DC control voltage suitable for industrial control applications.
- Four changeover contacts (4 c/o / SPDT) for flexible switching configurations.
- Gold-plated contacts improve reliability for low-current and sensitive signal switching.
- Integrated LED status indication provides clear operating feedback.
- Built-in manual test button simplifies commissioning and troubleshooting.
Key Features
- ABB CR-M miniature interface relay series.
- Model: CR-M125DC4LG.
- Rated control supply voltage: 125 V DC.
- Output configuration: 4 c/o (SPDT) contacts.
- Contact rating: 250 V / 6 A.
- Contact material: Silver-nickel alloy with gold plating (AgNi/Au).
- Integrated LED relay energisation indicator.
- Integrated test button for manual relay operation.
- Plug-in design for ABB CR-M relay sockets.
- Suitable for DIN rail-mounted control systems.
Reliable Switching for Industrial Automation Systems
Interface relays such as the ABB CR-M125DC4LG provide electrical isolation between automation controllers and external circuits while enabling reliable switching of multiple loads from a single control signal. Their compact construction and modular plug-in design make them ideal for industrial control cabinets.
The ABB CR-M series combines robust relay technology, flexible contact configurations and simple installation methods to support machine builders, panel manufacturers and automation engineers. The CR-M125DC4LG delivers dependable operation where precision switching and long service life are required.
Typical Applications
- PLC interface and signal isolation applications.
- Industrial automation control cabinets.
- Machine control and monitoring systems.
- Motor, actuator and valve switching circuits.
- Building automation equipment.
- Electrical control panels and industrial systems.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Terminal Type | Faston / flat-pin | |
| Switching Current (A) | 6 A | |
| Load Voltage | 250 V AC | |
| Mounting Type | DIN rail, Plug-in socket | |
| Current | 6 A | |
| Voltage | 125 V | |
| Coil / Supply Voltage | 125 V DC | |
| Contacts | 1 C/O | |
| IP Rating | IP40 | |
| Manufacturer | ABB | |
| Series | CR-M Interface Relays | |
| Model | CR-M125DC4LG | |
| Product ID | 1SVR405618R8300 | |
| Product type | Pluggable miniature interface relay | |
| Control supply voltage | 125 V DC | |
| Output contacts | 4 c/o (SPDT) | |
| Rated operational voltage | 250 V AC | |
| Rated current | 6 A | |
| Contact material | Silver-nickel alloy gold plated (AgNi/Au) | |
| Terminal type | Flat-pin connections | |
| Mounting type | Plug-in socket / DIN rail mounting | |
| 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-M125DC4LG used for?
The ABB CR-M125DC4LG 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 125 V DC control supply voltage.
How many contacts does the relay provide?
The CR-M125DC4LG provides four changeover (4 c/o / SPDT) contacts.
What is the benefit of gold-plated contacts?
Gold-plated contacts improve reliability when switching low currents and sensitive electronic loads.
Does the relay include indication and testing features?
Yes, the relay includes an integrated LED indicator and manual test button for easier commissioning and maintenance.
Trusted by Automation Engineers Worldwide
ABB CR-M interface relays are widely used in industrial control systems to provide reliable switching, electrical isolation and efficient automation panel integration.
