Why Choose the ABB RBR111R-24VUC Interface Relay?
The ABB RBR111R-24VUC, order code 1SNA645518R0500, is a compact R600 interface relay designed for reliable electrical isolation, signal matching and load switching in industrial automation and control systems. The RBR122A specification provides a 24 V AC/DC control supply and a single normally-open contact with a switching range from 10 mA up to 6 A.
As part of the ABB R600 boxed interface relay range, the RBR111R-24VUC provides an effective interface between electronic controls such as PLCs and field-level actuators or other electrical loads. Its compact housing and spring-terminal connection technology support space-efficient, dependable installation inside industrial control panels.
The relay features an RC circuit connected in parallel with the output contact, providing integrated output-contact protection for suitable switching applications. A built-in LED gives clear visual indication of relay energisation, while the 12 mm-wide housing helps conserve valuable DIN-rail space.
Key Advantages
- Compact ABB R600 interface relay for industrial automation and control.
- 24 V AC/DC control supply compatible with common industrial control circuits.
- 1 normally-open contact for straightforward load switching.
- 10 mA–6 A switching range for a broad range of control loads.
- Integrated RC circuit parallel to the output contact.
- Built-in LED status indication simplifies commissioning and diagnostics.
- Spring terminals provide fast and secure conductor connection.
- Compact 12 mm width supports space-efficient panel layouts.
Key Features
- ABB R600 boxed interface relay series.
- RBR111R-24VUC model.
- 24 V AC/DC rated control supply voltage.
- 1 n/o output contact.
- 10 mA–6 A switching current range.
- Output switching voltage up to 250 V AC.
- Silver-tin-oxide (AgSnO2) contact material.
- Integrated LED and RC circuit.
- Spring-terminal connection technology.
- Compact design for DIN-rail control-panel installations.
Reliable Interface Switching for Industrial Control Systems
Interface relays provide electrical isolation, amplification and signal matching between electronic control equipment and field-level devices. They are commonly installed between PLC or controller outputs and actuators, contactors, signalling equipment and other loads that require dependable relay switching.
The ABB RBR111R-24VUC combines a 24 V AC/DC control input, normally-open output contact, integrated RC circuit, LED indication and spring terminals in a compact R600 housing. This combination makes it well suited to industrial control cabinets where reliable switching, straightforward wiring and efficient use of DIN-rail space are required.
Typical Applications
- PLC output interfacing.
- Industrial automation and machine control systems.
- Electrical control panels and switchboards.
- Signal isolation and amplification circuits.
- Process control and instrumentation systems.
- Building automation equipment.
- Industrial actuator and signalling circuits.
