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1SVR405664R4000 ABB CR-U 61E Pluggable Module Red LED 24–60 V AC/DC
ABB CR-U 61E is a 24–60 V AC/DC pluggable function module for CR-U universal relay sockets with an integrated diode, red LED indication and reverse polarity protection for industrial control applications.
£4.38
Why Choose the ABB CR-U 61E Pluggable Module?
The ABB CR-U 61E is a compact pluggable function module for ABB CR-U universal relay sockets designed to add diode functionality and clear visual status indication to industrial interface relay assemblies. As part of the ABB CR-U pluggable relay range, it provides a convenient modular accessory for control and automation applications using compatible CR-U sockets.
This module is designed for a 24–60 V AC/DC rated control supply voltage and incorporates a diode and red LED indication. When used on DC control circuits, the specified polarity is A1+, A2−. The integrated LED provides immediate visual indication of the control signal, supporting efficient commissioning, operation and troubleshooting.
The CR-U 61E measures approximately 34 × 24 × 9 mm and weighs only 0.007 kg, allowing it to add useful indication and diode functionality without significantly increasing the size of the relay assembly. Its pluggable format enables straightforward installation with compatible ABB CR-U universal relay sockets.
Key Advantages
- Purpose-designed pluggable function module for ABB CR-U relay sockets.
- 24–60 V AC/DC rated control supply voltage.
- Integrated red LED indication provides clear visual operating status.
- Integrated diode functionality for compatible relay control circuits.
- Provides reverse polarity protection for DC applications.
- Defined DC polarity of A1+, A2− supports correct installation.
- Compact 34 × 24 × 9 mm construction for space-efficient relay assemblies.
- Pluggable design enables straightforward installation into compatible CR-U sockets.
Key Features
- ABB CR-U pluggable universal relay range accessory.
- Pluggable function module for CR-U range sockets.
- 24–60 V AC/DC rated control supply voltage.
- Integrated diode and red LED.
- Reverse polarity protection functionality.
- A1+, A2− polarity when used with DC control voltage.
- Compact module weighing approximately 7 g.
- Designed for modular industrial control and automation installations.
Practical Indication and Protection for CR-U Relay Assemblies
Pluggable function modules such as the ABB CR-U 61E allow industrial relay installations to be adapted with additional electrical and indication functions without requiring a completely different relay assembly. The module plugs into compatible CR-U sockets and provides a convenient red LED indication together with diode functionality for control circuits operating within its specified voltage range.
The ABB CR-U system uses a modular combination of interface relays, sockets, holders and function modules. The CR-U 61E is specifically configured for 24–60 V AC/DC applications and provides a red LED together with diode functionality, including reverse polarity protection for DC operation with A1+ and A2− polarity.
Typical Applications
- ABB CR-U universal interface relay assemblies.
- Industrial control and automation panels.
- PLC interface relay installations.
- Relay control signal indication.
- DC control circuit polarity protection.
- Machine control cabinets.
- Industrial machinery and production equipment.
- OEM machine building and automation systems.
Technical Specifications
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| Device Type | Accessory | |
|---|---|---|
| Series | CR-U | |
| ABB order code | 1SVR405664R4000 | |
| ABB product group | 310944-Pluggable Relays | |
| Product type | Pluggable function module | |
| Function | Accessory for ABB CR-U interface relays | |
| Compatibility | ABB CR-U range sockets | |
| Rated control supply voltage | 24–60 V AC/DC | |
| Module function | Diode and LED | |
| LED colour | Red | |
| Protection function | Reverse polarity protection | |
| DC polarity | A1+, A2− | |
| Output signal | None | |
| Dimensions (W × H × D) | 34 × 24 × 9 mm | |
| Weight | approx. 0.007 kg |
Frequently Asked Questions
What is the ABB CR-U 61E used for?
The CR-U 61E is a pluggable function module for ABB CR-U range sockets that provides diode functionality and red LED indication in industrial interface relay assemblies.
What control voltage is the CR-U 61E designed for?
The ABB CR-U 61E is designed for a rated control supply voltage of 24–60 V AC/DC.
What indication does the CR-U 61E provide?
The module incorporates a red LED that provides clear visual indication of the control signal in a compatible CR-U relay assembly.
Does the ABB CR-U 61E provide polarity protection?
Yes. The CR-U 61E incorporates a diode providing reverse polarity protection, with the specified polarity for DC operation being A1+, A2−.
Which relay range is the CR-U 61E designed for?
The CR-U 61E is designed as a pluggable function module for compatible ABB CR-U universal relay sockets used in industrial control and automation applications.
Reliable ABB Industrial Control Technology
ABB CR-U pluggable function modules provide a modular way to add indication and electrical protection functions to universal interface relay assemblies, with the CR-U 61E combining a red LED and diode functionality for 24–60 V AC/DC control circuits.
