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ABB CR-M120AC3 Pack of 10 Pluggable Interface Relays
£62.14 per pack of 10
Why Choose the ABB CR-M120AC3 Interface Relay?
The ABB CR-M120AC3 is a compact and reliable pluggable miniature interface relay designed for electrical isolation, signal switching and industrial automation control applications. As part of the proven ABB CR-M relay series, it provides dependable switching performance between PLCs, sensors, actuators and industrial control equipment.
This miniature relay operates with a 120 V AC control supply and features 3 changeover (SPDT) output contacts, allowing a single control signal to switch multiple electrical circuits. The relay includes an integrated test button for manual actuation and commissioning, while the compact plug-in design enables easy installation with compatible ABB CR-M sockets.
With contacts rated up to 250 V / 10 A, the ABB CR-M120AC3 delivers reliable switching performance for industrial automation, electrical control panels and interface applications where compact size, flexibility and long service life are required. The relay and socket combination can be mounted directly onto DIN rails for efficient panel installation.
Key Advantages
- Compact pluggable miniature interface relay for industrial automation.
- 120 V AC coil/control supply voltage suitable for industrial control systems.
- 3 changeover (SPDT) contacts for flexible circuit switching.
- High switching capability up to 250 V / 10 A.
- Integrated test button simplifies commissioning and maintenance.
- Plug-in construction enables quick replacement and servicing.
- Compatible with ABB CR-M sockets, logic sockets and accessories.
Key Features
- ABB CR-M miniature interface relay series.
- 120 V AC rated control supply voltage.
- 3 c/o (SPDT) output contacts.
- 250 V AC rated operational voltage.
- 10 A switching capability.
- Integrated manual test button for relay operation.
- Silver alloy contact material.
- Flat-pin plug-in terminal connections.
- Compact housing for electrical control cabinets.
- Suitable for industrial automation and switching applications.
Reliable Switching for Industrial Automation
Interface relays such as the ABB CR-M120AC3 provide electrical isolation between control electronics and external loads. They allow automation systems to safely switch industrial circuits while improving reliability and simplifying electrical panel design.
The ABB CR-M relay family is engineered for industrial environments requiring compact dimensions, dependable operation and easy maintenance. Its modular plug-in design supports efficient installation, quick replacement and reduced system downtime.
Typical Applications
- PLC signal isolation and switching.
- Industrial automation control panels.
- Machine building and OEM equipment.
- Sensor and actuator interface circuits.
- Electrical monitoring systems.
- Building and process automation applications.
Technical Specifications
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| Device Type | Interface Relay | |
|---|---|---|
| Terminal Type | Faston / flat-pin | |
| Switching Current (A) | 10 A | |
| Load Voltage | 250 V AC | |
| Mounting Type | DIN rail, Plug-in socket | |
| Current | 10 A | |
| Voltage | 120 V | |
| Coil / Supply Voltage | 120 V AC | |
| Contacts | 1 C/O | |
| IP Rating | IP40 | |
| Manufacturer | ABB | |
| Series | CR-M Miniature Interface Relays | |
| Model | CR-M120AC3 | |
| Product ID | 1SVR405612R2000 | |
| Product type | Pluggable miniature interface relay | |
| Control supply voltage | 120 V AC | |
| Frequency | 50 / 60 Hz | |
| Output contacts | 3 c/o (SPDT) | |
| Rated operational voltage | 250 V AC | |
| Contact rating | 250 V / 10 A | |
| Rated operational current AC-12 | 10 A at 230 V | |
| Rated operational current AC-15 | 3 A at 120 V / 1.5 A at 230 V | |
| Rated operational current DC-12 | 10 A at 24 V | |
| Rated operational current DC-13 | 2.5 A at 24 V / 0.1 A at 250 V | |
| Protection rating | IP40 | |
| Mounting type | Plug-in socket mounting / DIN rail with socket | |
| Terminal type | Flat-pin connections | |
| Dimensions (H × W × D) | approx. 35.6 × 21.2 × 27.5 mm | |
| Weight | approx. 0.033 kg | |
| HS Code | 85364900 | |
| Country of Manufacture | Poland |
Frequently Asked Questions
What is the ABB CR-M120AC3 used for?
The ABB CR-M120AC3 is a miniature interface relay used for electrical isolation, signal switching and industrial automation control applications.
What voltage does the CR-M120AC3 operate with?
The relay operates with a 120 V AC control supply voltage.
How many contacts does this relay provide?
The CR-M120AC3 provides 3 changeover (SPDT) contacts for flexible switching applications.
What is the contact rating of this relay?
The relay contacts are rated up to 250 V / 10 A.
Does the relay include a test button?
Yes, the CR-M120AC3 includes an integrated test button for manual relay operation and easier commissioning.
Trusted by Automation Engineers Worldwide
ABB CR-M miniature interface relays are widely used in industrial automation systems to provide reliable switching, electrical isolation and efficient control cabinet integration.
