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1SNA645571R0000 ABB RBR121-24VDC R600 Interface Relay 1c/o 10 mA to 6 A

1SNA645571R0000 ABB RBR121-24VDC R600 Interface Relay 1c/o 10 mA to 6 A

ABB RBR121-24VDC R600 interface relay with 24 V DC control supply, 1c/o changeover contact and 10 mA to 6 A switching range for industrial automation.

SKU: 1SNA645571R0000Alt SKU: RBR121-24VDCMPN: 1SNA645571R0000
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Manufacturer Lead Time Estimated Delivery 5 weeks
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Manufacturer Lead Time

£19.56

Why Choose the ABB RBR121-24VDC Relay?

The ABB RBR121-24VDC is a compact and reliable R600 interface relay designed for electrical isolation and dependable signal switching in industrial automation and control systems. As part of the ABB R600 interface relay and optocoupler series, it provides a practical interface between control circuits and connected electrical loads.

This relay operates from a 24 V DC control supply and provides a 1c/o changeover contact configuration with a rated switching range of 10 mA to 6 A. The compact interface format makes it suitable for PLC interfacing, machine control and industrial control panel applications.

The RBR121-24VDC combines reliable electromechanical switching with the compact format expected from the ABB R600 series. Its single changeover contact provides flexible switching for a wide range of industrial automation and control applications.

Key Advantages

  • Compact R600 interface relay for industrial automation.
  • 24 V DC control supply for standard industrial control systems.
  • 1c/o changeover contact for flexible switching applications.
  • 10 mA to 6 A switching range.
  • Provides electrical isolation between control and switched circuits.
  • Suitable for PLC, machine control and industrial automation interfaces.
  • Compact design helps save valuable control panel space.

Key Features

  • ABB R600 interface relay and optocoupler series.
  • RBR121-24VDC configuration.
  • 24 V DC rated control supply voltage.
  • 1c/o changeover contact.
  • 10 mA to 6 A switching range.
  • Electromechanical relay switching.
  • Electrical isolation between input and output circuits.
  • Suitable for industrial automation and PLC interfacing.
  • Compact interface relay format for control panels.

Reliable Signal Switching for Industrial Automation

Interface relays such as the ABB RBR121-24VDC provide electrical isolation between control equipment and switched circuits while allowing a low-voltage control signal to operate an electrical load. The electromechanical contact arrangement provides a dependable and flexible switching interface for industrial control systems.

The R600 series is designed for industrial control and automation applications where dependable signal interfacing, electrical isolation and flexible switching are required. The RBR121-24VDC combines a 24 V DC control supply with a 1c/o changeover contact and a 10 mA to 6 A switching range.

Typical Applications

  • Industrial automation and control panels.
  • PLC signal interfacing and switching.
  • Machine control systems.
  • Electrical isolation between control and field circuits.
  • Control signal switching.
  • Industrial equipment requiring compact interface relays.

Technical Specifications

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Device Type Interface Relay
Switching Current (A) 6 A
Series R600
Product type Interface relay
ABB order code 1SNA645571R0000
Rated control supply voltage 24 V DC
Contact configuration 1c/o
Contact type Changeover
Switching current range 10 mA to 6 A
Output type Electromechanical relay contact

Frequently Asked Questions

What is the ABB RBR121-24VDC used for?

The ABB RBR121-24VDC is an R600 interface relay used for electrical isolation and switching between control circuits and connected electrical loads in industrial automation systems.

What control voltage does the RBR121-24VDC require?

The relay operates from a 24 V DC control supply.

What contact configuration does the RBR121-24VDC have?

The RBR121-24VDC has a 1c/o changeover contact, providing a flexible normally open and normally closed switching arrangement.

What switching current does the RBR121-24VDC support?

The relay has a specified switching current range of 10 mA to 6 A.

Is the RBR121-24VDC an electromechanical relay?

Yes. The RBR121-24VDC is an electromechanical interface relay with a 1c/o changeover contact for industrial signal switching and isolation.

Trusted by Industrial Automation Engineers

ABB R600 interface relays are designed to provide dependable electrical isolation and signal switching for industrial automation, control panels and machine applications.

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