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ABB CR-U048AC3 Pack of 10 Pluggable Interface Relays
£88.34 per pack of 10
Why Choose the ABB CR-U048AC3 Interface Relay?
The ABB CR-U048AC3 is a reliable pluggable universal interface relay designed for industrial automation, electrical control panels and dependable switching applications. As part of the ABB CR-U relay family, it provides efficient signal isolation and switching between PLC systems, controllers and external electrical loads.
This compact industrial relay is engineered for demanding automation environments, featuring robust circular pin terminals, plug-in installation and compatibility with ABB CR-U sockets for DIN rail mounting. The CR-U048AC3 is designed for repetitive industrial operation where reliability, easy maintenance and long service life are essential.
With a 48 V AC control supply, 3 change-over (SPDT) contacts and contacts rated at 250 V / 10 A, the ABB CR-U048AC3 is suitable for machinery, automation systems and industrial control applications requiring multiple switching outputs from a single control signal.
Key Advantages
- Reliable ABB CR-U series pluggable interface relay for industrial automation.
- 48 V AC coil voltage suitable for industrial control circuits.
- 3 change-over (SPDT) contacts for flexible switching configurations.
- 250 V / 10 A contact rating for dependable electrical load control.
- Plug-in design enables fast installation and simplified maintenance.
- Compatible with ABB CR-U sockets for secure DIN rail mounting.
- Integrated test button supports commissioning and manual relay operation.
Key Features
- ABB CR-U048AC3 pluggable universal interface relay.
- 48 V AC rated control supply voltage.
- 3 c/o (SPDT) output contacts.
- 250 V / 10 A switching capacity.
- Integrated LED relay energisation indication.
- Manual test button with locking function for output contacts.
- Robust circular pin terminals for repetitive industrial applications.
- Silver nickel contact material for reliable switching performance.
- Compatible with ABB CR-U sockets, accessories and function modules.
Reliable Signal Switching for Industrial Automation
Interface relays such as the ABB CR-U048AC3 provide electrical isolation between sensitive control electronics and external circuits. They allow PLCs, automation controllers and industrial systems to safely operate electrical loads while improving system reliability.
The ABB CR-U relay family provides a modular solution for industrial control applications where dependable switching, simple commissioning and efficient maintenance are required. The relay can be combined with compatible sockets, function modules and accessories for flexible control cabinet installation.
Typical Applications
- PLC and industrial automation systems.
- Machine control cabinets.
- Motor, valve and actuator switching circuits.
- Signal isolation and interface applications.
- Building automation systems.
- Process control and electrical distribution equipment.
Technical Specifications
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| Device Type | Interface Relay | |
|---|---|---|
| Mounting Type | DIN rail, Plug-in socket | |
| Load Voltage | 250 V AC | |
| Switching Current (A) | 10 A | |
| Current | 10 A | |
| Voltage | 48 V | |
| Coil / Supply Voltage | 48 V AC | |
| Contacts | 1 C/O | |
| IP Rating | IP40 | |
| Manufacturer | ABB | |
| Series | CR-U Interface Relays | |
| Model | CR-U048AC3 | |
| Product ID | 1SVR405622R5000 | |
| Product type | Pluggable universal interface relay | |
| Control supply voltage | 48 V AC | |
| Contact configuration | 3 change-over (SPDT) contacts | |
| Rated operational voltage | 250 V AC | |
| Rated operational current | 10 A | |
| Frequency | 50 / 60 Hz | |
| Contact material | Silver nickel alloy | |
| Indicator | Integrated LED | |
| Protection rating | IP40 | |
| Mounting type | Plug-in socket / DIN rail mounting | |
| Dimensions (H × W × D) | approx. 54.4 × 35 × 35 mm | |
| Weight | approx. 0.083 kg | |
| HS Code | 85364900 | |
| Country of Manufacture | Poland |
Frequently Asked Questions
What is the ABB CR-U048AC3 used for?
The ABB CR-U048AC3 is a pluggable interface relay used for signal isolation, switching and control applications in industrial automation systems.
What coil voltage does this relay require?
The relay operates with a 48 V AC control supply voltage.
How many contacts does the relay have?
The CR-U048AC3 features 3 change-over (SPDT) contacts for flexible switching applications.
What is the maximum switching rating?
The relay contacts are rated up to 250 V and 10 A.
Does this relay include status indication?
Yes, the relay includes an integrated LED indicator showing coil energisation status.
Trusted by Automation Professionals Worldwide
ABB CR-U interface relays are widely used in industrial automation systems to provide reliable switching, electrical isolation and efficient connection between control devices and field equipment.
