£14.51
The ABB 1SVR405621R4100 is a reliable CR-U012DC2L pluggable universal interface relay designed for industrial control, automation and electrical switching applications. As part of the ABB CR-U relay family, it provides dependable signal isolation and switching performance between control systems such as PLCs, microcontrollers and higher-power electrical loads.
This compact interface relay combines robust construction with easy installation, making it suitable for demanding industrial environments. The relay features a built-in LED indicator for clear status visibility and supports flexible mounting using compatible ABB CR-U sockets for DIN rail installation.
With a 12 V DC control supply, 2 change-over (SPDT) contacts and a contact rating of 250 V AC / 10 A, the ABB CR-U012DC2L is ideal for applications requiring reliable switching, electrical separation and signal multiplication in automation systems.
Interface relays such as the ABB CR-U012DC2L provide electrical isolation between sensitive control electronics and external loads. They allow PLC outputs, sensors and automation controllers to safely operate higher-voltage or higher-current circuits while improving system reliability.
The CR-U relay range is engineered for industrial applications where dependable switching performance, easy maintenance and long service life are essential. The plug-in design allows fast replacement and simplified commissioning in control cabinets.
| Current | 10 A |
|---|---|
| Voltage | 12 V |
| Manufacturer | ABB |
| Series | CR-U Interface Relays |
| Model | CR-U012DC2L |
| Product ID | 1SVR405621R4100 |
| Product type | Pluggable universal interface relay |
| Control supply voltage | 12 V DC |
| Contact configuration | 2 change-over (SPDT) contacts |
| Rated operational voltage | 250 V AC |
| Rated operational current | 10 A |
| Contact material | Silver nickel (AgNi) |
| Indicator | Integrated LED |
| Protection rating | IP40 |
| Mounting type | Plug-in socket / DIN rail mounting |
| Dimensions (H × W × D) | approx. 54.4 × 35 × 35 mm |
| Weight | approx. 0.083 kg |
| HS Code | 85364900 |
| Country of Manufacture | Poland |
The ABB 1SVR405621R4100 is a pluggable interface relay used for signal isolation, switching and control applications in industrial automation systems.
The CR-U012DC2L operates with a 12 V DC control supply voltage.
The relay features 2 change-over (SPDT) contacts for flexible switching configurations.
The relay contacts are rated up to 250 V AC and 10 A for industrial switching applications.
Yes, the relay can be installed using compatible ABB CR-U sockets that support DIN rail mounting.
ABB CR-U interface relays are widely used in industrial automation and control systems to provide reliable switching, electrical isolation and efficient integration between control devices and field equipment.
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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...