The ABB 1SVR405613R8300 is a compact and reliable CR-M125DC4L pluggable miniature interface relay designed for industrial automation, electrical control panels and dependable switching applications. As part of the ABB CR-M relay series, it provides efficient electrical isolation and reliable control of multiple circuits from a single input signal.
This interface relay operates with a 125 V DC control supply and provides four changeover (4 c/o / SPDT) contacts rated at 250 V / 6 A. The integrated LED indicator provides clear visual confirmation of relay energisation, while the built-in test button supports manual relay actuation for easier commissioning and maintenance.
The ABB CR-M125DC4L features a plug-in construction designed for use with compatible ABB CR-M sockets. When combined with a suitable socket, the relay can be mounted directly onto DIN rails, allowing quick installation, replacement and efficient maintenance in industrial control cabinets.
Key Advantages
Compact pluggable miniature interface relay for industrial automation applications.
125 V DC control voltage suitable for industrial control systems.
Four changeover contacts (4 c/o / SPDT) for flexible circuit switching.
Integrated LED status indication for easy monitoring.
250 V / 6 A switching capability for versatile industrial applications.
Built-in manual test button simplifies commissioning and troubleshooting.
Key Features
ABB CR-M miniature interface relay series.
Model: CR-M125DC4L.
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.
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-M125DC4L provide electrical isolation between automation controllers and external circuits while enabling dependable switching performance. Their compact construction and modular plug-in design make them suitable for modern industrial control panels.
The ABB CR-M series delivers reliable relay solutions for machine builders, panel manufacturers and automation engineers. With integrated indication, flexible contacts and straightforward installation, the CR-M125DC4L supports efficient and dependable control system design.
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
Current
6 A
Voltage
125 V
Manufacturer
ABB
Series
CR-M Interface Relays
Model
CR-M125DC4L
Product ID
1SVR405613R8300
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
LED indication
Integrated
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-M125DC4L used for?
The ABB CR-M125DC4L 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-M125DC4L provides four changeover (4 c/o / SPDT) contacts.
What is the contact rating of this relay?
The relay contacts are rated up to 250 V and 6 A.
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.
Current
6 A
Voltage
125 V
Manufacturer
ABB
Series
CR-M Interface Relays
Model
CR-M125DC4L
Product ID
1SVR405613R8300
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
LED indication
Integrated
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
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...