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ABB CR-U 61C Varistor and LED Module
£4.38
Why Choose the ABB CR-U 61C Pluggable Relay Module?
The ABB 1SVR405665R0000, also known as the ABB CR-U 61C, is a compact pluggable function module designed for ABB CR-U universal relay sockets. This accessory module combines varistor overvoltage protection with a red LED status indication, improving relay protection and providing clear visual monitoring in industrial control systems.
Designed for the ABB CR-U interface relay series, the CR-U 61C provides a simple plug-in solution for enhancing relay functionality. The integrated varistor helps protect relay coils and control circuits against voltage spikes, while the red LED allows operators to quickly identify relay activation status.
With a rated control supply voltage of 6–24 V AC/DC, the ABB CR-U 61C is suitable for low-voltage automation applications including PLC interfaces, industrial control panels and electrical switching systems.
Key Advantages
- Designed for ABB CR-U universal relay sockets.
- Integrated red LED indication for relay status monitoring.
- Provides varistor-based overvoltage protection.
- Compact plug-in design simplifies installation and maintenance.
- Improves reliability of industrial relay control circuits.
Key Features
- ABB CR-U series pluggable function module.
- CR-U 61C module with varistor and red LED.
- Rated control supply voltage: 6–24 V AC/DC.
- Integrated visual relay status indication.
- Overvoltage protection for relay coil circuits.
- Designed for universal CR-U relay socket mounting.
Reliable Relay Protection and Monitoring
The ABB CR-U 61C enhances relay system performance by combining electrical protection and visual indication in one compact accessory module. The varistor reduces the impact of voltage surges, helping protect switching components and improve long-term system reliability.
The integrated red LED provides immediate feedback of relay operation, making fault detection and maintenance easier in industrial automation environments.
Typical Applications
- Industrial automation control panels.
- PLC interface relay systems.
- Machine control equipment.
- Electrical switching cabinets.
- Factory automation installations.
- Control and monitoring circuits.
Technical Specifications
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| Device Type | Accessory | |
|---|---|---|
| Mounting Type | Plug-in socket | |
| Coil / Supply Voltage | 12 V AC, 12 V DC, 24 V AC, 24 V DC | |
| Manufacturer | ABB | |
| Series | CR-U | |
| Model | CR-U 61C | |
| Product ID | 1SVR405665R0000 | |
| Product type | Pluggable function module | |
| Application | Accessory for CR-U interface relays | |
| Function | Overvoltage protection and LED indication | |
| LED colour | Red | |
| Protection component | Varistor | |
| Rated control supply voltage | 6–24 V AC/DC | |
| Output | None | |
| Output signal | None | |
| Mounting type | Plug-in relay socket mounting | |
| Width | 34 mm | |
| Height | 24 mm | |
| Depth | 9 mm | |
| Weight | approx. 0.007 kg | |
| HS Code | 85480090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the ABB CR-U 61C used for?
The ABB CR-U 61C is a pluggable relay accessory module that provides varistor overvoltage protection and red LED indication for ABB CR-U relay sockets.
What voltage does the CR-U 61C support?
The CR-U 61C operates with a rated control supply voltage of 6–24 V AC/DC.
Which relay series is compatible with this module?
The CR-U 61C is designed for use with ABB CR-U universal relay socket systems.
What protection does the CR-U 61C provide?
The module provides overvoltage protection using an integrated varistor to help protect relay control circuits.
Trusted by Industrial Automation Engineers
ABB CR-U pluggable function modules provide dependable relay accessories for industrial automation, electrical panels and modern control applications.
