Call Us Today
01706 242050
Trade Portal
1SAL103577R9902 ABB MC2A310AT1 Mini Contactor Compact Control Contactor

1SAL103577R9902 ABB MC2A310AT1 Mini Contactor Compact Control Contactor

ABB 1SAL103577R9902 mini contactor, a compact 24 V AC three-pole switching device designed for industrial automation, motor control and electrical load switching applications.

SKU: 1SAL103577R9902Alt SKU: MC2A310AT1MPN: 1SAL103577R9902
Price
List Price £42.66 ex VAT
Your Price (ex VAT)
£42.66
Manufacturer Lead Time Estimated Delivery 5 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) £42.66
Trade pricing is personalised to your account

Manufacturer Lead Time

£42.66

Why Choose the ABB 1SAL103577R9902 Mini Contactor?

The ABB 1SAL103577R9902 is a compact and reliable mini contactor designed for switching and controlling electrical loads in industrial automation, machine building and control panel applications. As part of the ABB M Mini contactor series, it provides dependable switching performance in a space-saving design where reliable motor and load control is required.

This mini contactor features a three-pole main contact configuration, a 24 V AC control coil and an integrated 1 normally open auxiliary contact. The MC2A310AT1 design uses screw terminals and supports wall or DIN rail mounting, making it suitable for compact electrical control panels and industrial automation systems.

With a rated operational power of 5.5 kW at 400 V AC in AC-3 applications and a 20 A AC-1 rated operational current, the ABB 1SAL103577R9902 is suitable for controlling motors and electrical loads where compact installation and reliable switching performance are required.

Key Advantages

  • Compact mini contactor designed for space-saving installations.
  • 24 V AC coil voltage suitable for industrial control systems.
  • 5.5 kW AC-3 motor switching capacity at 400 V AC.
  • 3 normally open main contacts for dependable power switching.
  • Integrated 1 normally open auxiliary contact for control and feedback circuits.
  • Suitable for DIN rail or panel mounting applications.

Key Features

  • ABB M Mini contactor series.
  • MC2A310AT1 mini contactor.
  • 24 V AC control supply.
  • 3-pole main contact configuration.
  • 1 NO auxiliary contact.
  • 12 A AC-3 rated current at 400 V AC.
  • 20 A AC-1 rated current at 400 V AC.
  • Compact construction for industrial automation systems.
  • Screw terminal connections for secure installation.

Reliable Switching for Industrial Automation

Mini contactors such as the ABB 1SAL103577R9902 provide dependable electrical switching for motors, machines and industrial loads. Their compact construction enables efficient control panel design while maintaining reliable switching performance in demanding applications.

The ABB M Mini contactor range combines compact dimensions with dependable operation, providing automation engineers and machine builders with an efficient solution for motor control, load switching and industrial electrical systems.

Typical Applications

  • Industrial automation control panels.
  • Machine building and OEM equipment.
  • Motor starters and control circuits.
  • Pumps, fans and ventilation systems.
  • Building automation installations.
  • Industrial electrical load switching.

Technical Specifications

Coil Voltage Range 24 V
Current 12 A
Power 5.5 kW
Manufacturer ABB
Series M Mini Contactors
Model 1SAL103577R9902
Contactor type MC2A310AT1
Product type Mini contactor
Control voltage 24 V AC
Frequency 50 / 60 Hz
Main contacts 3 NO
Auxiliary contacts 1 NO
Rated operational current AC-1 20 A at 400 V AC
Rated operational current AC-3 12 A at 400 V AC
Rated operational power AC-3 5.5 kW at 400 V AC
Rated operational voltage Up to 690 V AC
Connection type Screw terminals
Mounting type 35 mm DIN rail or panel mounting
Protection rating IP20
Dimensions (H × W × D) approx. 48 × 45 × 56 mm
Weight approx. 0.17 kg
Coil / Supply Voltage 24 V AC
Device Type Mini contactor
Auxiliary Contacts 1NO
Coil Type AC
Current AC-1 20 A

Frequently Asked Questions

What is the ABB 1SAL103577R9902 used for?

The ABB 1SAL103577R9902 is a mini contactor used for switching motors, electrical loads and control circuits in industrial and automation applications.

What control voltage does this contactor require?

The contactor operates with a 24 V AC control supply.

What motor power can the contactor switch?

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

How many main contacts are included?

The ABB 1SAL103577R9902 includes three normally open main contacts and one normally open auxiliary contact.

How is this mini contactor installed?

The device is designed for 35 mm DIN rail or panel mounting inside electrical control panels.

Trusted for Industrial Switching Solutions

ABB mini contactors are widely used by automation engineers and machine builders to deliver reliable, compact and durable switching solutions for modern industrial systems.

● 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...