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1SAH220409R9900 ABB MCRC031ATWD Mini Contactor Relay 3NO 1NC Control Relay

1SAH220409R9900 ABB MCRC031ATWD Mini Contactor Relay 3NO 1NC Control Relay

ABB 1SAH220409R9900 MCRC031ATWD mini contactor relay with 3 normally open and 1 normally closed auxiliary contacts designed for industrial control and automation applications.

SKU: 1SAH220409R9900Alt SKU: MCRC031ATWDMPN: 1SAH220409R9900
Price
List Price £48.68 ex VAT
Your Price (ex VAT)
£48.68
Manufacturer Lead Time Estimated Delivery 7 weeks
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Why Choose the ABB 1SAH220409R9900 MCRC031ATWD Mini Contactor Relay?

The ABB 1SAH220409R9900 is a compact and reliable MCRC031ATWD mini contactor relay designed for switching control signals and auxiliary circuits in industrial, commercial and automation applications. As part of the ABB MCRC mini contactor relay series, it provides dependable switching performance where high functionality, compact installation and reliable DC control are required.

This mini contactor relay features a dimension-optimised four-pole design with screw terminals, making it suitable for applications where high performance is required but available panel space is limited. The MCRC series is designed for switching control signals up to 6 A / 240 V AC (AC-15) and supports wall or rail mounting.

With a 24 V DC control supply and a 3 normally open + 1 normally closed auxiliary contact configuration, the ABB 1SAH220409R9900 MCRC031ATWD provides flexible switching capability for automation systems, electrical control circuits and industrial applications.

Key Advantages

  • Compact mini contactor relay designed for industrial control applications.
  • 3NO + 1NC auxiliary contact configuration for flexible control circuit switching.
  • 24 V DC control supply suitable for industrial DC control systems.
  • Space-saving design for electrical panels and automation equipment.
  • DIN rail and wall mounting options provide flexible installation.
  • Reliable ABB construction for long service life and consistent switching performance.

Key Features

  • ABB MCRC031ATWD mini contactor relay.
  • 4-pole auxiliary contact design.
  • 3 normally open (NO) and 1 normally closed (NC) contacts.
  • 6 A rated operational current.
  • 4 A operational current at 400 V AC.
  • 24 V DC extended operating limits coil.
  • DC operated control circuit.
  • Screw terminal connection system.
  • Compact DIN rail and wall mounting design.
  • No LED indication or manual operation function.

Reliable Control Switching for Industrial Applications

Mini contactor relays such as the ABB MCRC031ATWD provide dependable switching of auxiliary circuits and control signals in electrical systems. Their compact design enables engineers to build efficient control panels while maintaining reliable switching performance.

The ABB MCRC series is designed for applications where space is limited but reliable electrical control is essential. The 1SAH220409R9900 combines ABB engineering, flexible mounting options and robust auxiliary switching capability for modern automation systems.

Typical Applications

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

Technical Specifications

Manufacturer ABB
Series MCRC Mini Contactor Relays
Model MCRC031ATWD
Part number 1SAH220409R9900
Product type Mini contactor relay
Contact configuration 3NO + 1NC
Number of auxiliary contacts NO 3
Number of auxiliary contacts NC 1
Rated control voltage 24 V DC
Rated operational voltage Up to 690 V AC
Rated operational current 6 A
Rated operational current at 400 V AC 4 A
Connection type Screw terminals
Mounting type DIN rail / wall mounting
Protection rating IP20 terminals
Dimensions (H × W × D) approx. 48 × 45 × 68 mm
Weight approx. 0.235 kg
Device Type Contactor relay
Coil Type DC

Frequently Asked Questions

What is the ABB 1SAH220409R9900 used for?

The ABB 1SAH220409R9900 is a mini contactor relay used for switching control signals and auxiliary circuits in industrial and automation systems.

What contact configuration does this relay have?

The MCRC031ATWD features three normally open (NO) and one normally closed (NC) auxiliary contacts.

What control voltage does the ABB MCRC031ATWD require?

The relay operates with a 24 V DC control supply.

What type of mounting is supported?

The ABB 1SAH220409R9900 supports DIN rail and wall mounting for flexible installation in electrical control panels.

Where is this mini contactor relay typically installed?

The relay is typically installed in industrial automation panels, electrical enclosures and control systems requiring reliable auxiliary switching.

Trusted by Automation Engineers Worldwide

ABB mini contactor relays are widely used in industrial control applications to provide reliable auxiliary switching, compact installation and dependable operation in modern electrical systems.

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