Call Us Today
01706 242050
Trade Portal
1SAL102131R9912 ABB MC2C310ARWED-RAIL Mini Contactor Compact Control Contactor

1SAL102131R9912 ABB MC2C310ARWED-RAIL Mini Contactor Compact Control Contactor

ABB 1SAL102131R9912 MC2C310ARWED-RAIL mini contactor with three normally open main contacts, one auxiliary contact and 24–41 V DC coil supply for industrial and railway applications.

SKU: 1SAL102131R9912Alt SKU: MC2C310ARWED-RAILMPN: 1SAL102131R9912
Price
List Price £61.16 ex VAT
Your Price (ex VAT)
£61.16
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.

Sign up for a trade account Quick & easy setup
SUBTOTAL (EX VAT) £61.16
Trade pricing is personalised to your account

Manufacturer Lead Time

£61.16

Why Choose the ABB 1SAL102131R9912 MC2C310ARWED-RAIL Mini Contactor?

The ABB 1SAL102131R9912 is a compact MC2C310ARWED-RAIL mini contactor designed for reliable switching of electrical loads in industrial automation, machinery and railway applications. As part of the ABB M mini contactor range, it combines space-saving dimensions with robust DC-operated switching performance for demanding environments.

Featuring a 3-pole main contact configuration with 1 normally open auxiliary contact, the MC2C310ARWED-RAIL is suitable for controlling loads up to 5.5 kW at 400 V AC-3 and 20 A at AC-1. The ring-tongue terminal connection design provides secure installation for applications requiring vibration-resistant connections.

With a 24–41 V DC coil supply, rail-approved construction and resistance to shock and vibration, the ABB 1SAL102131R9912 is suitable for industrial and rolling stock applications where dependable contactor operation is required.

Key Advantages

  • Compact mini contactor designed for industrial and railway applications.
  • 3NO main contact configuration for three-phase load switching.
  • 1NO auxiliary contact for control and signalling functions.
  • 5.5 kW AC-3 switching capability at 400 V.
  • 24–41 V DC coil operation for DC control systems.
  • Rail-approved design with enhanced shock and vibration resistance.

Key Features

  • ABB MC2C310ARWED-RAIL mini contactor.
  • 3 normally open main contacts.
  • 1 normally open auxiliary contact.
  • 24–41 V DC control voltage.
  • Ring-tongue terminal connections.
  • DIN rail mounting capability.
  • Designed for rolling stock and industrial applications.
  • Shock and vibration resistant construction.

Reliable Switching for Industrial and Railway Systems

Mini contactors provide efficient control of motors and electrical loads while maintaining a compact installation footprint. The ABB MC2C310ARWED-RAIL is specifically designed for applications where reliability, vibration resistance and long service life are essential.

Its rail-approved construction allows integration into demanding environments including industrial machinery and rolling stock applications, providing dependable switching performance and secure electrical connections.

Typical Applications

  • Railway and rolling stock equipment.
  • Industrial automation systems.
  • Machine control panels.
  • Motor switching applications.
  • Transportation electrical systems.
  • Control systems requiring DC-operated contactors.

Technical Specifications

Poles 3-pole
Current 12 A
Coil Voltage Range 24 V, 42–48 V
Power 5.5 kW
Manufacturer ABB
Model 1SAL102131R9912
Product type Mini contactor
Series M mini contactors
Type code MC2C310ARWED-RAIL
Main contact configuration 3NO
Auxiliary contacts 1NO
Number of main contacts 3
Coil / Supply Voltage 24–41 V DC
Rated operational current AC-1 20 A at 400 V
Rated operational current AC-3 12 A at 400 V
Rated operational power AC-3 5.5 kW at 400 V
Rated operational current AC-4 9 A at 400 V
Rated operational power AC-4 4 kW at 400 V
Rated insulation voltage 750 V
Mounting type DIN rail / wall mounting
Terminal type Ring-tongue terminals
Dimensions (H × W × D) 48 × 45 × 68 mm
Weight approx. 0.25 kg
Coil / Supply Voltage 24 V DC
Device Type Mini contactor
Auxiliary Contacts 1NO
Coil Type DC
Current AC-1 20 A

Frequently Asked Questions

What is the ABB 1SAL102131R9912 used for?

The ABB 1SAL102131R9912 is a rail-approved mini contactor used for switching motors and electrical loads in industrial and transport applications.

What contact configuration does the MC2C310ARWED-RAIL provide?

The contactor provides three normally open main contacts and one normally open auxiliary contact.

What coil voltage does the ABB 1SAL102131R9912 require?

The contactor operates with a 24–41 V DC coil supply.

What motor power can the MC2C310ARWED-RAIL switch?

The contactor can switch motors up to 5.5 kW at 400 V AC-3.

How is the ABB MC2C310ARWED-RAIL installed?

The mini contactor supports DIN rail or wall mounting and uses ring-tongue terminal connections.

Trusted for Industrial Switching Solutions

ABB mini contactors provide compact, reliable switching solutions for automation engineers, machine builders and railway system designers.

● 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…

by | Aug 11, 2026 |

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

by | Jan 17, 2026 |

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

by | Jan 17, 2026 |

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...