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ABB CR-U 91 Pack of 10 Pluggable Modules
£43.81 per pack of 10
Why Choose the ABB CR-U 91 Pluggable LED Module?
The ABB CR-U 91 (1SVR405664R0100) is a compact pluggable function module designed for ABB CR-U universal relay sockets. This accessory module combines diode protection with a red LED status indication, providing improved relay monitoring and enhanced protection for industrial control circuits.
Designed as part of the ABB CR-U interface relay accessory range, the CR-U 91 allows quick plug-in installation and replacement without additional wiring modifications. The integrated LED provides clear visual indication of relay activation, while the diode function helps protect against reverse polarity effects in DC control circuits.
With a rated control supply voltage of 110–230 V AC / 110 V DC, the ABB CR-U 91 is suitable for industrial automation panels, PLC interfaces and electrical control systems requiring reliable relay status indication and circuit protection.
Key Advantages
- Designed for ABB CR-U universal relay sockets.
- Integrated red LED indication for easy relay status monitoring.
- Provides diode reverse polarity protection.
- Compact plug-in design simplifies installation and servicing.
- Improves reliability of industrial relay control circuits.
Key Features
- ABB CR-U series pluggable function module.
- CR-U 91 LED module with red indication.
- Rated control supply voltage: 110–230 V AC / 110 V DC.
- Integrated diode suppression and LED status display.
- Designed for universal CR-U relay sockets.
- Tool-free plug-in mounting.
Reliable Relay Monitoring for Industrial Control
The ABB CR-U 91 provides operators with immediate visual feedback of relay operation through its integrated red LED indicator. This allows faster fault identification and easier maintenance in complex industrial control environments.
As an accessory for ABB CR-U interface relays, the module enhances relay functionality by combining indication and protection features in a compact plug-in format suitable for modern automation systems.
Typical Applications
- Industrial automation control panels.
- PLC interface relay assemblies.
- Machine control systems.
- Electrical switching cabinets.
- Factory automation equipment.
- Control and monitoring circuits.
Technical Specifications
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| Device Type | Accessory | |
|---|---|---|
| Coil / Supply Voltage | 110 V AC, 110 V DC, 115 V AC, 120 V AC, 208 V AC, 220 V AC, 230 V AC | |
| Manufacturer | ABB | |
| Series | CR-U | |
| Model | CR-U 91 | |
| Product ID | 1SVR405664R0100 | |
| Product type | Pluggable function module | |
| Function | Relay accessory module | |
| Sub-function | Pluggable module for universal relay sockets | |
| Protection function | Reverse polarity protection | |
| Indication | Red LED | |
| Rated control supply voltage | 110–230 V AC / 110 V DC | |
| Output signal | None | |
| 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 91 used for?
The ABB CR-U 91 is a pluggable relay accessory module that provides red LED indication and diode protection for ABB CR-U relay sockets.
What voltage does the CR-U 91 support?
The CR-U 91 supports a rated control supply voltage of 110–230 V AC and 110 V DC.
Which relay series is compatible with this module?
The CR-U 91 is designed for use with ABB CR-U universal relay socket systems.
Does the CR-U 91 provide an output signal?
No. The module is an accessory function module that provides indication and protection functions without a separate output signal.
Trusted by Industrial Automation Engineers
ABB CR-U pluggable function modules provide dependable relay accessories for industrial automation, electrical panels and modern control applications.
