1SAH100044R9900 ABB MCRA004ATN Mini Contactor Relay 4NC Control Relay

Q: What contact configuration does the MCRA004ATN provide?

The MCRA004ATN provides four normally closed (NC) auxiliary contacts in a 4-pole configuration.

Q: What coil voltage does the ABB 1SAH100044R9900 require?

The contactor relay operates with a 220–240 V AC coil supply at 50 Hz and 240–277 V AC at 60 Hz.

Q: What is the maximum AC-15 operational current?

The relay supports up to 6 A at 240 V AC AC-15 and 4 A at 400 V AC AC-15.

ABB 1SAH100044R9900 MCRA004ATN mini contactor relay with four normally closed auxiliary contacts and 220–240 V AC coil supply for industrial control applications.

SKU: 1SAH100044R9900Alt SKU: MCRA004ATNMPN: 1SAH100044R9900

List Price £38.18 ex VAT

Your Price (ex VAT)

£38.18

Manufacturer Lead Time Estimated Delivery 7 weeks

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Why Choose the ABB 1SAH100044R9900 MCRA004ATN Mini Contactor Relay?

The ABB 1SAH100044R9900 is a compact MCRA004ATN mini contactor relay designed for reliable switching of control signals and small electrical loads in industrial, commercial and building automation applications. As part of the ABB mini contactor relay range, it provides a space-saving solution where dependable auxiliary switching performance is required.

Featuring a 4-pole configuration with four normally closed (NC) auxiliary contacts, the MCRA004ATN is ideal for control circuit applications requiring multiple switching contacts in a compact enclosure. Its screw terminal design enables straightforward installation and secure electrical connections.

With a 220–240 V AC coil supply at 50 Hz and compatibility with DIN rail mounting, the ABB 1SAH100044R9900 is suitable for electrical panels where reliable contactor relay functionality and efficient use of installation space are important.

Key Advantages

Compact mini contactor relay for industrial control applications.
4NC auxiliary contact arrangement for flexible control circuit switching.
220–240 V AC coil voltage for common control systems.
Space-saving design for installations where panel space is limited.
DIN rail mounting capability for easy control cabinet installation.
Reliable ABB quality for automation and electrical control applications.

Key Features

ABB MCRA004ATN mini contactor relay.
4-pole auxiliary contact configuration.
4 normally closed (NC) contacts.
220–240 V AC coil voltage at 50 Hz.
240–277 V AC coil voltage at 60 Hz.
Screw terminal connections.
DIN rail mounting design.
No LED indication or manual operation facility.

Reliable Control Switching for Automation Systems

Mini contactor relays provide dependable switching of control circuits, allowing automation equipment, electrical panels and building systems to manage auxiliary signals efficiently. Their compact construction makes them especially suitable for applications where traditional contactors would require unnecessary installation space.

The ABB MCRA004ATN combines robust switching performance with flexible mounting options, making it suitable for industrial control panels, machinery and automation installations requiring reliable auxiliary contact operation.

Typical Applications

Industrial automation control panels.
Machine control and signalling circuits.
Building automation systems.
Motor control auxiliary circuits.
Electrical distribution panels.
Control systems requiring compact contactor relays.

Technical Specifications

Manufacturer	ABB
Model	1SAH100044R9900
Product type	Mini contactor relay
Series	MCRA
Contactor relay type	MCRA004ATN
Number of poles	4P
Auxiliary contacts	4NC
Normally closed contacts	4
Rated control voltage	220–240 V AC at 50 Hz
Rated operational current AC-15	6 A at 240 V AC
Rated insulation voltage	750 V
Conventional thermal current	10 A
Mounting type	DIN rail mounting
Terminal type	Screw terminals
Dimensions (H × W × D)	48 × 45 × 56 mm
Weight	approx. 0.17 kg
Poles	4-pole
Device Type	Contactor relay
Auxiliary Contacts	4NC
Coil Type	AC
Current AC-1	10 A

Frequently Asked Questions

What is the ABB 1SAH100044R9900 used for?

The ABB 1SAH100044R9900 is a mini contactor relay used for switching control signals and small loads in industrial and automation applications.

What contact configuration does the MCRA004ATN provide?

The MCRA004ATN provides four normally closed (NC) auxiliary contacts in a 4-pole configuration.

What coil voltage does the ABB 1SAH100044R9900 require?

The contactor relay operates with a 220–240 V AC coil supply at 50 Hz and 240–277 V AC at 60 Hz.

How is the ABB MCRA004ATN installed?

The relay can be installed using DIN rail mounting and connected using screw terminals.

What is the maximum AC-15 operational current?

The relay supports up to 6 A at 240 V AC AC-15 and 4 A at 400 V AC AC-15.

Trusted for Industrial Control Applications

ABB mini contactor relays provide compact, reliable switching solutions for automation engineers, panel builders and industrial control system designers.

UK delivery

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This product Manufacturer Lead Time

Estimated Delivery 7 weeks

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