1SAH102139R9910 ABB MCRC031ARWDD-RAIL Mini Contactor Relay 3NO 1NC Control Relay

Q: What control voltage does this relay require?

The relay operates with a 24–60 V DC control supply.

Q: How many contacts does this contactor relay have?

The ABB 1SAH102139R9910 has a 4NO contact configuration.

Q: What is the rated thermal current of this relay?

The relay has a conventional thermal current rating of 10 A.

ABB 1SAH102139R9910 MCRC040ARWID-RAIL mini contactor relay with four normally open contacts and 24–60 V DC control supply for industrial automation applications.

SKU: 1SAH102139R9910Alt SKU: MCRC031ARWDD-RAILMPN: 1SAH102139R9910

List Price £73.99 ex VAT

Your Price (ex VAT)

£73.99

Manufacturer Lead Time Estimated Delivery 7 weeks

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Why Choose the ABB 1SAH102139R9910 MCRC040ARWID-RAIL Mini Contactor Relay?

The ABB 1SAH102139R9910 is a compact and reliable mini contactor relay designed for industrial control applications, automation systems and auxiliary switching circuits. As part of the ABB MCRC-RAIL range, it provides dependable switching performance with a space-saving design for modern electrical control installations.

This mini contactor relay features a robust four-pole construction with screw terminals, making it suitable for applications requiring reliable control switching while maintaining efficient use of electrical panel space. Its compact design allows straightforward integration into industrial automation and control systems.

With a 24–60 V DC control supply, a 4NO contact configuration and DIN rail mounting capability, the ABB 1SAH102139R9910 is ideal for auxiliary switching, PLC interfaces and industrial control circuits requiring dependable DC operation.

Key Advantages

Compact mini contactor relay designed for industrial control applications.
Four normally open contacts for flexible auxiliary switching.
24–60 V DC control voltage range for automation systems.
Space-saving DIN rail mounting design.
Screw terminal connections for secure installation.
Suitable for industrial automation and auxiliary control applications.

Key Features

ABB MCRC-RAIL mini contactor relay series.
MCRC040ARWID-RAIL type.
4NO contact configuration.
24–60 V DC rated control supply voltage.
10 A conventional thermal current rating.
DC-operated electromagnetic system.
DIN rail and wall mounting capability.
Screw terminal connection technology.

Reliable Control Switching for Industrial Automation

Mini contactor relays such as the ABB 1SAH102139R9910 provide dependable switching for control circuits, automation interfaces and auxiliary functions. They allow industrial systems to manage electrical signals efficiently while reducing panel space requirements.

The ABB MCRC-RAIL series is designed for engineers and machine builders requiring compact installation, reliable DC operation and dependable switching performance in modern industrial electrical systems.

Typical Applications

Industrial automation control panels.
PLC interface switching.
Control signal switching systems.
Building automation systems.
Machine control equipment.
Auxiliary switching circuits.

Technical Specifications

Coil Voltage Range	24 V, 42–48 V, 60–72 V
Manufacturer	ABB
Series	MCRC-RAIL Mini Contactor Relays
Model	1SAH102139R9910
Type	MCRC040ARWID-RAIL
Product type	Mini contactor relay
Control voltage	24–60 V DC
Contact configuration	4NO
Number of poles	4P
Rated operational voltage	690 V AC / 440 V DC
Conventional thermal current Ith	10 A
Mounting type	DIN rail / wall mounting
Connection type	Screw terminals
Protection rating	IP20
Dimensions (H × W × D)	48 × 45 × 68 mm
Poles	4-pole
Coil / Supply Voltage	24 V DC, 48 V DC, 60 V DC
Device Type	Contactor relay
Coil Type	DC
Current AC-1	10 A

Frequently Asked Questions

What is the ABB 1SAH102139R9910 used for?

The ABB 1SAH102139R9910 is a mini contactor relay used for switching control signals and auxiliary circuits in industrial automation systems.

What control voltage does this relay require?

The relay operates with a 24–60 V DC control supply.

How many contacts does this contactor relay have?

The ABB 1SAH102139R9910 has a 4NO contact configuration.

What is the rated thermal current of this relay?

The relay has a conventional thermal current rating of 10 A.

Where is this relay typically installed?

The relay is typically installed on DIN rails inside industrial control panels, automation systems and electrical cabinets.

Trusted by Industrial Automation Professionals

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

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Manufacturer Lead Time

Estimated Delivery 7 weeks

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