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1SNA645006R0000 ABB RB121G-48-60VUC R600 Interface Relay 48–60 V AC/DC
ABB RB121G-48-60VUC R600 interface relay with 48–60 V AC/DC control supply, 1 c/o (SPDT) output and 3 mA to 6 A switching capability for industrial control and automation systems.
£13.46
Why Choose the ABB RB121G-48-60VUC Interface Relay?
The ABB RB121G-48-60VUC is a compact and reliable interface relay designed for electrical isolation, signal matching and switching applications in industrial control and automation systems. As part of the ABB R600 interface relay series, it provides a space-saving solution for interfacing control circuits with electrical loads.
This relay combines a slim 6 mm housing with screw terminal connections and an integrated LED for clear visual indication of relay energisation. The relay is soldered into its housing for high resistance against vibration, while its gold-plated contacts support reliable switching of low-level signals and higher-current loads.
With a 48–60 V AC/DC control supply and a 1 c/o (SPDT) output contact rated for switching loads from 3 mA up to 6 A at up to 250 V AC, the RB121G-48-60VUC is suitable for industrial automation, PLC interfaces, machine control systems and DIN rail mounted control equipment.
Key Advantages
- Compact R600 interface relay for industrial control applications.
- 48–60 V AC/DC control supply for industrial control circuits.
- 1 c/o (SPDT) output contact provides flexible changeover switching.
- 3 mA to 6 A switching range suitable for low-level signals and higher-current loads.
- Gold-plated contacts support reliable switching of low-level signals.
- Slim 6 mm housing helps maximise control panel space.
Key Features
- ABB R600 interface relay series.
- RB121G-48-60VUC relay type.
- 48–60 V AC/DC rated control supply.
- 1 c/o (SPDT) output contact.
- 3 mA to 6 A output switching range.
- 250 V AC maximum output voltage.
- Gold-plated AgSnO2/Au contacts.
- Integrated LED indication.
- Screw terminal connections for secure wiring.
- DIN rail mounting for straightforward control panel installation.
- Soldered relay construction for high resistance against vibration.
- UL 94-V0 flame-retardant housing.
Reliable Interface Switching for Industrial Automation
Interface relays such as the ABB RB121G-48-60VUC provide electrical isolation and signal interfacing between control equipment and field devices. By using a relay contact between the control circuit and switched load, the relay can help separate control signals from the circuit being operated while providing flexible changeover switching.
The ABB R600 series is designed for compact installation in industrial control panels and automation systems. Its 6 mm housing, screw terminals, integrated LED and gold-plated contacts make the RB121G-48-60VUC suitable for applications requiring reliable switching of both low-level signals and higher-current loads. The soldered construction also provides high resistance against vibration in industrial environments.
Typical Applications
- PLC and controller interface circuits.
- Industrial automation and control panels.
- Electrical signal isolation and matching.
- Machine control systems.
- Industrial switching and monitoring circuits.
- Low-level signal switching applications.
- DIN rail mounted control cabinets and automation equipment.
Technical Specifications
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| Device Type | Interface Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Mounting Type | DIN rail | |
| Series | R600 | |
| ABB order code | 1SNA645006R0000 | |
| Product group | 310923 - Interface Relays & Opt. Couplers | |
| Product type | Interface relay | |
| Function | Boxed interface relay R600 | |
| Rated control supply voltage | 48–60 V AC/DC | |
| Output | 1 c/o (SPDT) contact | |
| Output signal | 5–250 V AC / 3 mA–6 A | |
| Contact material | Silver-tin-oxide gold plated (AgSnO2/Au) | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail mounting | |
| Status indication | Integrated LED | |
| Housing classification | UL 94-V0 | |
| Width | 6 mm | |
| Height | 67.5 mm | |
| Depth | 70 mm | |
| Weight | approx. 0.02 kg |
Frequently Asked Questions
What is the ABB RB121G-48-60VUC used for?
The ABB RB121G-48-60VUC is an interface relay used for electrical isolation, signal matching and switching applications in industrial automation and control systems.
What control voltage does the RB121G-48-60VUC require?
The relay operates from a 48–60 V AC/DC control supply.
What type of output contact does the relay have?
The RB121G-48-60VUC has a 1 c/o (SPDT) changeover contact suitable for flexible switching applications.
What current can the ABB RB121G-48-60VUC switch?
The relay has a specified switching range of 3 mA to 6 A, with an output voltage capability up to 250 V AC.
How is the ABB RB121G-48-60VUC installed?
The relay uses screw terminals for electrical connections and can be snap-mounted onto a DIN rail within industrial control panels.
Trusted by Industrial Automation Engineers
ABB R600 interface relays provide compact and reliable switching, isolation and signal matching for industrial automation, control panels and electrical equipment.
