Why Choose the ABB 1SVR405621R3100 CR-U230AC2L Pluggable Interface Relay?
The ABB 1SVR405621R3100 is a reliable CR-U230AC2L pluggable universal interface relay designed for industrial automation, electrical control panels and signal switching applications. As part of the advanced ABB CR-U universal relay series, it provides dependable electrical isolation, flexible circuit control and reliable switching performance for PLC interfaces, machinery and industrial automation systems.
This universal relay features a compact plug-in construction with robust circular pin terminals designed for demanding repetitive-use applications. The relay can be combined with compatible ABB CR-U sockets, allowing seamless snap-on DIN rail mounting and efficient maintenance in modern control cabinets.
With a 230 V AC rated control supply voltage, 2 changeover (SPDT) contacts and contacts rated up to 250 V AC / 10 A, the ABB CR-U230AC2L enables multiple circuits to be switched from a single control signal. The integrated LED indicator provides clear relay status feedback, while the test button supports manual actuation during commissioning and maintenance.
Key Advantages
- Reliable ABB CR-U universal interface relay for industrial automation applications.
- 230 V AC coil voltage suitable for industrial control systems.
- 2 changeover (SPDT) contacts for flexible switching configurations.
- High switching capability with 250 V AC / 10 A contacts.
- Integrated LED status indication for quick relay monitoring.
- Built-in test button simplifies commissioning and troubleshooting.
- Plug-in construction enables fast installation and replacement.
Key Features
- ABB CR-U230AC2L pluggable interface relay.
- 230 V AC rated control supply voltage.
- 2 c/o (SPDT) output contacts.
- 250 V AC / 10 A contact rating.
- Integrated LED coil energisation indicator.
- Manual test button for relay actuation and output contact locking.
- Robust circular pin terminals for industrial environments.
- Compatible with ABB CR-U sockets, logic sockets and accessories.
- Compact housing for electrical control cabinet installations.
Reliable Switching for Industrial Automation
Interface relays such as the ABB CR-U230AC2L provide electrical isolation between automation controllers and field devices. They allow low-power control signals from PLCs and industrial controllers to safely operate higher-load circuits while improving system reliability and flexibility.
The ABB CR-U relay family is designed for industrial applications requiring durable construction, modular installation and straightforward maintenance. The CR-U230AC2L provides an efficient solution for engineers, OEM manufacturers and panel builders requiring dependable AC switching control.
Typical Applications
- PLC signal isolation and interface switching.
- Industrial automation control cabinets.
- Machine building and OEM equipment.
- Motor control and electrical switching systems.
- Process automation and monitoring applications.
- Building automation installations.
