1SAH220438R9900 ABB MCRA022AT1 Mini Contactor Relay 2NO 2NC Control Relay

Q: What contact arrangement does this relay have?

The relay has two normally open (NO) and two normally closed (NC) auxiliary contacts.

Q: What control voltage does the ABB 1SAH220438R9900 require?

The relay operates with a 24 V AC 50/60 Hz control coil.

Q: How is this mini contactor relay installed?

The relay can be installed using wall or DIN rail mounting with screw terminal connections.

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

The relay has an AC-15 rated operational current of 6 A at 240 V.

ABB 1SAH220438R9900 MCRA022AT1 mini contactor relay with 24 V AC coil and 2NO + 2NC auxiliary contacts for industrial control switching applications.

SKU: 1SAH220438R9900Alt SKU: MCRA022AT1MPN: 1SAH220438R9900

List Price £38.18 ex VAT

Your Price (ex VAT)

£38.18

Manufacturer Lead Time Estimated Delivery 7 weeks

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SUBTOTAL (EX VAT) £38.18

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Manufacturer Lead Time

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Why Choose the ABB 1SAH220438R9900 Mini Contactor Relay?

The ABB 1SAH220438R9900 is a compact and reliable mini contactor relay designed for switching control signals and small electrical loads in residential, commercial and industrial automation applications. Part of the ABB MCRA mini contactor relay series, the MCRA022AT1 provides a dimension-optimised four-pole solution where reliable performance and reduced installation space are required.

This mini contactor relay features a compact design with screw terminal connections and an AC 24 V 50/60 Hz coil, making it suitable for control panels, machinery and automation systems. The MCRA series is designed for applications requiring dependable auxiliary switching, with suitability for wall or rail mounting.

With a 2 normally open + 2 normally closed contact configuration, a 6 A AC-15 rated operational current at 240 V and a compact four-pole format, the ABB 1SAH220438R9900 is ideal for switching auxiliary circuits, control signals and small electrical loads in modern industrial installations.

Key Advantages

Compact mini contactor relay designed for space-saving installations.
2NO + 2NC auxiliary contact configuration for flexible control applications.
24 V AC 50/60 Hz coil for standard industrial control circuits.
Suitable for wall or DIN rail mounting.
Screw terminal connections for secure and reliable wiring.
Reliable ABB switching technology for automation and control systems.

Key Features

ABB MCRA022AT1 mini contactor relay.
Four-pole auxiliary contact relay design.
2 normally open (NO) auxiliary contacts.
2 normally closed (NC) auxiliary contacts.
24 V AC 50/60 Hz control voltage.
6 A AC-15 rated current at 240 V.
4 A AC-15 rated current at 400 V.
Compact construction for electrical control panels.

Reliable Control Switching for Industrial Automation

Mini contactor relays such as the ABB 1SAH220438R9900 provide reliable electromagnetic switching of control circuits, allowing automation systems to manage auxiliary signals, interlocks and monitoring functions using compact switching technology.

The ABB MCRA series is designed for applications where high performance is required but installation space is limited. Its compact construction, flexible contact arrangement and mounting options make it suitable for modern industrial control panels and automation systems.

Typical Applications

Industrial automation control panels.
Machine control and OEM equipment.
Switching of control signals and auxiliary circuits.
Electrical cabinets and switchgear assemblies.
Building automation systems.
Process control and industrial installations.

Technical Specifications

Coil Voltage Range	24 V
Manufacturer	ABB
Series	MCRA Mini Contactor Relays
Model	1SAH220438R9900
Product type	Mini contactor relay
Type	MCRA022AT1
Number of poles	4
Contact configuration	2NO + 2NC
Control voltage	24 V AC 50/60 Hz
Rated operational current AC-15	6 A at 240 V
Rated operational voltage	690 V AC
Rated insulation voltage Ui	750 V
Conventional thermal current Ith	10 A
Mounting type	Wall mounting / DIN rail mounting
Connection type	Screw terminals
Protection rating	IP20
Dimensions (H × W × D)	48 × 45 × 56 mm
Weight	approx. 0.17 kg
Poles	4-pole
Coil / Supply Voltage	24 V AC
Device Type	Contactor relay
Coil Type	AC
Current AC-1	10 A

Frequently Asked Questions

What is the ABB 1SAH220438R9900 used for?

The ABB 1SAH220438R9900 is a mini contactor relay used for switching control signals and auxiliary circuits in industrial automation applications.

What contact arrangement does this relay have?

The relay has two normally open (NO) and two normally closed (NC) auxiliary contacts.

What control voltage does the ABB 1SAH220438R9900 require?

The relay operates with a 24 V AC 50/60 Hz control coil.

How is this mini contactor relay installed?

The relay can be installed using wall or DIN rail mounting with screw terminal connections.

What is the rated current of this contactor relay?

The relay has an AC-15 rated operational current of 6 A at 240 V.

Trusted by Automation Engineers Worldwide

ABB MCRA mini contactor relays are widely used in industrial control applications to provide reliable auxiliary switching, compact installation and dependable automation system performance.

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Estimated Delivery 7 weeks

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