1SAH102100R9900 ABB MCRA004AT4 Mini Contactor Relay 4NC Control Relay

Q: What contact configuration does the MCRA004AT4 provide?

The MCRA004AT4 provides four normally closed (NC) contacts in a 4-pole configuration.

Q: What coil voltage does the ABB 1SAH102100R9900 require?

The relay operates with a 120 V AC coil supply at 50/60 Hz.

Q: How is the ABB MCRA004AT4 installed?

The mini contactor relay supports DIN rail or wall mounting and uses screw terminal connections.

ABB 1SAH102100R9900 MCRA004AT4 mini contactor relay with four normally closed contacts and 120 V AC coil supply for industrial control applications.

SKU: 1SAH102100R9900Alt SKU: MCRA004AT4MPN: 1SAH102100R9900

List Price £39.43 ex VAT

Your Price (ex VAT)

£39.43

Manufacturer Lead Time Estimated Delivery 7 weeks

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Manufacturer Lead Time

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Why Choose the ABB 1SAH102100R9900 MCRA004AT4 Mini Contactor Relay?

The ABB 1SAH102100R9900 is a compact MCRA004AT4 mini contactor relay designed for reliable switching of control signals and small electrical loads in industrial, commercial and building automation applications. Part of the ABB MCRA mini contactor relay range, it provides a space-efficient solution where dependable auxiliary switching performance is required.

Featuring a 4-pole configuration with four normally closed (NC) contacts, the MCRA004AT4 is suitable for control circuits requiring multiple auxiliary switching contacts in a compact device. The relay uses screw terminal connections and supports rail or wall mounting for flexible installation in electrical control panels.

With a 120 V AC coil supply at 50/60 Hz, the ABB 1SAH102100R9900 is designed for automation and control applications where space-saving contactor relay technology is required.

Key Advantages

Compact mini contactor relay for industrial control applications.
4NC auxiliary contact configuration for flexible control switching.
120 V AC coil voltage suitable for common control systems.
Space-saving design for installations with limited panel space.
Screw terminal connections for secure and practical wiring.
Suitable for rail or wall mounting installations.

Key Features

ABB MCRA004AT4 mini contactor relay.
4-pole auxiliary contact configuration.
4 normally closed (NC) contacts.
120 V AC coil voltage at 50/60 Hz.
Screw terminal connection system.
DIN rail and wall mounting capability.
Compact construction for control cabinets.
Designed for switching control signals and small loads.

Reliable Control Switching for Automation Systems

Mini contactor relays provide dependable switching of auxiliary circuits, allowing automation equipment, machinery and electrical systems to control signals efficiently. Their compact construction makes them ideal where installation space is limited but reliable switching performance is required.

The ABB MCRA004AT4 combines robust electrical performance with flexible installation options, making it suitable for industrial control panels, building automation systems and machinery applications requiring auxiliary contact operation.

Typical Applications

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

Technical Specifications

Coil Voltage Range	100–130 V
Manufacturer	ABB
Model	1SAH102100R9900
Product type	Mini contactor relay
Series	MCRA
Type code	MCRA004AT4
Contact configuration	4NC
Number of poles	4
Normally closed contacts	4
Coil / Supply Voltage	120 V AC
Frequency	50/60 Hz
Rated operational current	6 A at 240 V AC AC-15
Rated insulation voltage	690 V
Mounting type	DIN rail / wall mounting
Terminal type	Screw terminals
Dimensions (H × W × D)	48 × 45 × 56 mm
Weight	0.17 kg
EAN	4013614546242
Poles	4-pole
Coil / Supply Voltage	120 V AC
Device Type	Contactor relay
Coil Type	AC

Frequently Asked Questions

What is the ABB 1SAH102100R9900 used for?

The ABB 1SAH102100R9900 is a mini contactor relay used for switching control signals and small electrical loads in automation and industrial control applications.

What contact configuration does the MCRA004AT4 provide?

The MCRA004AT4 provides four normally closed (NC) contacts in a 4-pole configuration.

What coil voltage does the ABB 1SAH102100R9900 require?

The relay operates with a 120 V AC coil supply at 50/60 Hz.

How is the ABB MCRA004AT4 installed?

The mini contactor relay supports DIN rail or wall mounting and uses screw terminal connections.

What applications are suitable for the MCRA004AT4?

The relay is suitable for industrial automation, control panels, building systems and applications requiring reliable auxiliary switching.

Trusted for Industrial Control Applications

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

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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Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

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