1SAH102182R9900 ABB MCRA031ARJ Mini Contactor Relay 3NO 1NC Control Relay

1SAH102182R9900 ABB MCRA031ARJ Mini Contactor Relay 3NO 1NC Control Relay

ABB 1SAH102182R9900 MCRA031ARJ mini contactor relay with 3NO + 1NC contacts, 110–115 V AC coil and ring tongue terminals for industrial control switching applications.

SKU: 1SAH102182R9900Alt SKU: MCRA031ARJMPN: 1SAH102182R9900
Price
List Price £39.43 ex VAT
Your Price (ex VAT)
£39.43
Manufacturer Lead Time Estimated Delivery 7 weeks
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £39.43
Trade pricing is personalised to your account

Manufacturer Lead Time

£39.43

Why Choose the ABB 1SAH102182R9900 MCRA031ARJ Mini Contactor Relay?

The ABB 1SAH102182R9900 is a compact and reliable mini contactor relay designed for switching control signals and small electrical loads in industrial automation, commercial installations and electrical control systems. As part of the advanced ABB MCRA mini contactor relay series, it provides dependable auxiliary switching performance where high functionality is required within a limited installation space.

This four-pole auxiliary contactor relay features a 3NO + 1NC contact configuration and an AC-operated coil rated at 110–115 V AC at 50 Hz and 110–120 V AC at 60 Hz. The device includes special ring tongue terminal connections, allowing secure wiring in industrial control panels, automation systems and electrical assemblies where reliable connections are required.

With switching capability up to 6 A at 240 V AC (AC-15), the ABB MCRA031ARJ provides dependable auxiliary switching for applications requiring compact dimensions, flexible mounting and proven ABB engineering.

Key Advantages

  • Compact mini contactor relay designed for auxiliary control switching.
  • 3NO + 1NC auxiliary contact configuration for flexible control applications.
  • 110–115 V AC 50 Hz and 110–120 V AC 60 Hz coil voltage for industrial control systems.
  • Special ring tongue terminal connections for secure installation.
  • Space-saving design for compact electrical panels and automation equipment.
  • Suitable for wall or DIN rail mounting applications.

Key Features

  • ABB MCRA031ARJ mini contactor relay.
  • Four-pole auxiliary contactor configuration.
  • 3 normally open (NO) + 1 normally closed (NC) auxiliary contacts.
  • 110–115 V AC 50 Hz control supply voltage.
  • 110–120 V AC 60 Hz control supply voltage.
  • 6 A AC-15 operational current at 240 V AC.
  • 4 A rated operational current at 400 V AC.
  • Ring tongue screw terminal connection system.
  • DIN rail and wall mounting compatible design.
  • Up to 6 additional auxiliary contacts can be fitted.

Reliable Control Switching for Industrial Automation

Mini contactor relays such as the ABB MCRA series provide dependable switching of auxiliary circuits, allowing automation systems to control signals, interlocks and small electrical loads efficiently. Their compact construction makes them ideal for installations where panel space optimisation is important.

The ABB 1SAH102182R9900 combines a robust auxiliary contact arrangement with reliable AC coil operation and secure ring terminal connections, making it suitable for industrial control systems, machine building applications and electrical installations requiring dependable switching performance.

Typical Applications

  • Industrial automation control panels.
  • Motor control circuits and auxiliary switching.
  • Machine building and OEM equipment.
  • Building automation systems.
  • Electrical distribution control circuits.
  • Industrial and commercial control installations.

Technical Specifications

Coil Voltage Range 100–130 V
Manufacturer ABB
Series MCRA Mini Contactor Relays
Model MCRA031ARJ
Part number 1SAH102182R9900
Product type Mini contactor relay
Contact configuration 3NO + 1NC
Number of poles 4
Control voltage 110–115 V AC at 50 Hz / 110–120 V AC at 60 Hz
Voltage type AC operated
Rated operational current 6 A
Rated operational current Ie at 400 V 4 A
Rated operational voltage 690 V AC
Rated insulation voltage Ui 690 V
Protection rating IP20
Mounting type DIN rail / wall mounting
Connection type Ring tongue screw terminals
Dimensions (H × W × D) approx. 48 × 45 × 56 mm
Weight approx. 0.18 kg
Poles 4-pole
Coil / Supply Voltage 110 V AC, 115 V AC, 120 V AC
Device Type Contactor relay
Coil Type AC

Frequently Asked Questions

What is the ABB 1SAH102182R9900 used for?

This mini contactor relay is used for switching auxiliary control circuits and small electrical loads in industrial automation and control systems.

What contact arrangement does this contactor relay have?

The ABB MCRA031ARJ has a 3NO + 1NC auxiliary contact configuration.

What coil voltage does the ABB 1SAH102182R9900 require?

The contactor relay operates with a 110–115 V AC 50 Hz or 110–120 V AC 60 Hz control supply.

What current rating does this mini contactor relay support?

The device supports up to 6 A AC-15 operational current at 240 V AC for control switching applications.

Where is this contactor relay typically installed?

The ABB MCRA031ARJ is typically installed inside electrical control panels, automation systems and industrial equipment cabinets.

Trusted by Automation Engineers Worldwide

ABB MCRA mini contactor relays are widely used in industrial automation and control applications where compact dimensions, reliable switching and proven ABB engineering are required.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...