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ABB CR-U120AC3 Pack of 10 Pluggable Interface Relay
£89.18 per pack of 10
Why Choose the ABB CR-U120AC3 Pluggable Interface Relay?
The ABB CR-U120AC3 is a reliable pluggable universal interface relay designed for industrial automation, control panels and electrical switching applications. As part of the advanced ABB CR-U relay series, it provides dependable signal isolation, circuit control and flexible switching performance for PLC interfaces, machinery and industrial systems.
This universal relay features a robust plug-in construction with durable circular pin terminals engineered for repetitive industrial use. The modular design allows the relay to be combined with compatible ABB CR-U sockets and mounted easily on DIN rails, providing a flexible and service-friendly solution for modern electrical control cabinets.
With a 120 V AC rated control supply voltage, 3 changeover (SPDT) contacts and contact ratings of 250 V AC / 10 A, the ABB CR-U120AC3 enables multiple circuits to be switched from a single control signal. The relay includes a test button for manual actuation and commissioning support.
Key Advantages
- Reliable ABB CR-U universal interface relay for industrial automation applications.
- 120 V AC coil voltage suitable for industrial control systems.
- 3 changeover (SPDT) contacts for flexible switching configurations.
- High switching capability with 250 V AC / 10 A contacts.
- Compact plug-in design enables fast installation and replacement.
- Integrated test button supports commissioning and maintenance.
- Compatible with ABB CR-U sockets, accessories and DIN rail mounting systems.
Key Features
- ABB CR-U120AC3 pluggable interface relay.
- 120 V AC rated control supply voltage.
- 3 c/o (SPDT) output contacts.
- 250 V AC / 10 A contact rating.
- Universal relay design for industrial automation applications.
- Integrated test button for manual relay actuation.
- Robust circular pin terminals for demanding environments.
- Silver nickel alloy (AgNi) contacts for reliable switching.
- Compatible with CR-U sockets, function modules and accessories.
Reliable Switching for Industrial Automation
Interface relays such as the ABB CR-U120AC3 provide electrical isolation between automation controllers and connected equipment. They allow low-power control signals from PLCs and industrial controllers to safely operate higher-load circuits while improving system flexibility and reliability.
The ABB CR-U relay family is designed for industrial applications requiring dependable switching, modular installation and easy maintenance. The CR-U120AC3 offers a practical solution for engineers requiring reliable control interfaces in automation systems.
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.
Technical Specifications
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| Device Type | Interface Relay | |
|---|---|---|
| Terminal Type | PCB / pins | |
| Load Voltage | 250 V AC | |
| Mounting Type | Plug-in socket | |
| Switching Current (A) | 10 A | |
| Current | 10 A | |
| Voltage | 120 V | |
| Coil / Supply Voltage | 120 V AC | |
| Contacts | 1 C/O | |
| IP Rating | IP40 | |
| Manufacturer | ABB | |
| Series | CR-U Universal Relays | |
| Model | CR-U120AC3 | |
| Product ID | 1SVR405622R2000 | |
| Product type | Pluggable universal interface relay | |
| Rated control supply voltage | 120 V AC | |
| Output contacts | 3 changeover (SPDT) | |
| Rated operational voltage | 250 V AC | |
| Rated operational current | 10 A | |
| Frequency | 50 / 60 Hz | |
| Contact material | Silver nickel alloy (AgNi) | |
| Protection rating | IP40 | |
| Terminal type | Pin connection | |
| Mounting type | Plug-in socket mounting | |
| Dimensions (W × H × D) | 35 × 54.4 × 35 mm | |
| Weight | approx. 0.083 kg | |
| Operating temperature | -40 to +85 °C | |
| HS Code | 85364900 | |
| Country of Manufacture | Poland |
Frequently Asked Questions
What is the ABB CR-U120AC3 used for?
The ABB CR-U120AC3 is a pluggable interface relay used for electrical isolation, signal switching and industrial automation control applications.
What voltage does the relay coil require?
The CR-U120AC3 operates with a 120 V AC rated control supply voltage.
How many contacts does this relay have?
The relay features 3 changeover (SPDT) contacts for flexible switching applications.
What is the contact rating of the ABB CR-U120AC3?
The relay provides contacts rated up to 250 V AC and 10 A.
Does this relay include a test function?
Yes, the relay includes an integrated test button for manual actuation during testing and commissioning.
Trusted by Automation Professionals Worldwide
ABB CR-U universal interface relays are trusted by engineers, OEM manufacturers and automation specialists for dependable switching, electrical isolation and industrial control solutions.
