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1SVR405622R6400 ABB CR-U048DC3LD Pluggable Relay 3C/O 48V DC
ABB CR-U048DC3LD is a CR-U pluggable universal interface relay with a 48 V DC control supply, three changeover contacts rated at 250 V / 10 A, integrated LED and diode for industrial automation and control applications.
£21.97
Why Choose the ABB CR-U048DC3LD Pluggable Relay?
The ABB CR-U048DC3LD is a robust pluggable universal interface relay designed for electrical isolation, signal interfacing and switching in industrial automation and control systems. As part of the ABB CR-U universal interface relay series, it operates from a 48 V DC control supply and provides three changeover contacts for flexible multi-circuit switching.
This relay provides 3 c/o (SPDT) output contacts rated at 250 V / 10 A. The CR-U048DC3LD configuration incorporates an integrated LED and diode, combining clear visual indication of coil energisation with suppression for the DC coil circuit.
Designed to plug into compatible ABB CR-U sockets, the CR-U048DC3LD provides a serviceable interface solution for industrial control cabinets and machinery. Its robust circular plug-in pins are designed for repetitive-use applications, while the integrated test button allows manual actuation and locking of the output contacts during commissioning and troubleshooting.
Key Advantages
- Robust CR-U pluggable universal interface relay for industrial automation.
- 48 V DC rated control supply voltage.
- Three changeover (3 c/o / SPDT) contacts for multi-circuit switching.
- 250 V / 10 A contact rating.
- Integrated LED provides visual indication of relay energisation.
- Integrated diode provides suppression for the DC coil circuit.
- Manual test button simplifies functional testing and commissioning.
- Pluggable construction supports straightforward replacement and maintenance.
Key Features
- ABB CR-U universal interface relay series.
- 48 V DC control voltage.
- 3 c/o (SPDT) output contacts.
- 250 V / 10 A output rating.
- Silver-nickel alloy (AgNi) contact material.
- Integrated LED operating indication.
- Integrated diode for DC coil suppression.
- Integrated manual test and locking button.
- Robust circular plug-in pins for repetitive-use industrial applications.
- Compatible with ABB CR-U sockets and associated relay accessories.
Reliable Interface Switching for Industrial Automation
Pluggable interface relays such as the ABB CR-U048DC3LD provide electrical isolation, amplification and signal matching between electronic control equipment and connected sensors, actuators or other field circuits. Its three changeover contacts enable multiple switching paths to be controlled from a single 48 V DC input signal.
The integrated LED provides immediate visual indication of coil energisation, while the diode provides suppression for the DC relay coil. Combined with the manual test button and robust plug-in construction, these features make the CR-U048DC3LD a practical interface relay for commissioning, servicing and maintaining industrial automation equipment.
Typical Applications
- Industrial automation and machine control panels.
- PLC, industrial PC and fieldbus interface circuits.
- Electrical isolation and signal interfacing.
- Contactor and motor-control interface circuits.
- Multi-circuit switching and interlocking systems.
- Alarm, indication and signalling circuits.
- Building automation and electrical control systems.
- OEM machinery and production equipment.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Switching Current (A) | 10 A | |
| Series | CR-U | |
| ABB order code | 1SVR405622R6400 | |
| ABB product group | 310944 – Pluggable Relays | |
| Product type | Pluggable universal interface relay | |
| Rated control supply voltage | 48 V DC | |
| Output contacts | 3 c/o (SPDT) | |
| Contact rating | 250 V / 10 A | |
| Contact material | Silver-nickel alloy (AgNi) | |
| Indication | Integrated LED | |
| Coil protection | Integrated diode | |
| Test function | Integrated manual test and locking button | |
| Terminal construction | Circular plug-in pins | |
| Width | 35 mm | |
| Height | 54.4 mm | |
| Depth | 35 mm | |
| Net weight | 0.083 kg |
Frequently Asked Questions
What is the ABB CR-U048DC3LD used for?
The ABB CR-U048DC3LD is a pluggable universal interface relay used for electrical isolation, signal interfacing and switching between industrial control equipment and field circuits.
What control voltage does the CR-U048DC3LD require?
The CR-U048DC3LD operates from a rated control supply voltage of 48 V DC.
How many contacts does the ABB CR-U048DC3LD provide?
The relay provides three changeover contacts (3 c/o / SPDT), allowing multiple circuits to be switched from a single relay input.
What is the contact rating of the CR-U048DC3LD?
The CR-U048DC3LD has contacts rated at 250 V / 10 A.
Does the CR-U048DC3LD include an LED and diode?
Yes. The CR-U048DC3LD incorporates an integrated LED for visual indication of relay energisation and an integrated diode for suppression of the DC coil circuit.
Does the ABB CR-U048DC3LD have a manual test function?
Yes. The CR-U range includes an integrated manual test button for manual actuation and locking of the output contacts, helping simplify commissioning and functional testing.
How is the ABB CR-U048DC3LD installed?
The relay plugs into a compatible ABB CR-U socket, allowing the complete relay-and-socket assembly to be installed in an industrial control panel.
Trusted by Industrial Automation Professionals
ABB CR-U pluggable universal interface relays provide machine builders, panel builders and automation engineers with robust and serviceable switching solutions for electrical isolation, signal matching and dependable control within industrial automation systems.
