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The ABB 1SVR405651R3000, also known as the CR-M4SS standard relay socket, is a compact and reliable plug-in relay socket designed for ABB CR-M miniature interface relays. As part of the ABB CR-M relay accessory range, it provides a secure connection interface for industrial control systems, automation panels and electrical switching applications.
The CR-M4SS socket is suitable for ABB CR-M relays with 2 or 4 changeover (SPDT) contacts and features robust screw terminal connections for reliable field wiring. Its DIN rail mounting design enables straightforward installation inside industrial control cabinets while maintaining efficient panel organisation.
With a rated operational voltage of 250 V, a current rating of 7 A and compatibility with ABB CR-M miniature relays, the ABB 1SVR405651R3000 provides a dependable relay mounting solution for automation engineers and panel builders requiring reliable signal switching infrastructure.
Relay sockets provide a secure mechanical and electrical connection between interface relays and control wiring systems. The ABB CR-M4SS allows fast relay replacement and reliable signal switching in industrial automation applications.
The modular design of the ABB CR-M series enables flexible configuration with optional accessories such as function modules, holders and markers. This makes the 1SVR405651R3000 suitable for control panels requiring dependable relay integration and easy maintenance.
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| Terminal Type | Screw | |
|---|---|---|
| Load Voltage | 250 V | |
| Mounting Type | DIN rail | |
| Switching Current (A) | 7 A | |
| Manufacturer | ABB | |
| Series | CR-M | |
| Model | CR-M4SS | |
| Product ID | 1SVR405651R3000 | |
| Product type | Relay socket | |
| Function | Socket for miniature interface relays | |
| Compatible relay contacts | 2 c/o or 4 c/o (SPDT) | |
| Rated operational voltage | 250 V | |
| Rated operational current | 7 A | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail mounting | |
| Number of pins | 14 | |
| Protection rating | IP20 | |
| Operating temperature | -40°C to +70°C | |
| Dimensions (W × H × D) | approx. 27 × 42.5 × 82 mm | |
| Weight | approx. 0.07 kg | |
| HS Code | 85366990 | |
| Country of Manufacture | China | |
| IP Rating | IP20 |
The ABB 1SVR405651R3000 is a relay socket used to mount and connect ABB CR-M miniature interface relays in industrial control systems.
The product model is ABB CR-M4SS standard relay socket.
The CR-M4SS socket is compatible with ABB CR-M relays featuring 2 or 4 changeover (SPDT) contacts.
The relay socket is designed for DIN rail mounting inside industrial control panels.
The ABB CR-M4SS uses screw terminal connections for secure and reliable wiring.
ABB CR-M relay sockets are widely used by electrical engineers and automation specialists to provide reliable relay mounting, efficient maintenance and dependable signal switching solutions in industrial control systems.
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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...