1SAH220399R9900 ABB MCRC004ATWL Mini Contactor Relay 4NC Control Relay

Q: What contact configuration does the MCRC004ATWL provide?

The MCRC004ATWL provides four normally closed (NC) auxiliary contacts in a 4-pole configuration.

Q: What coil voltage does the ABB 1SAH220399R9900 require?

The relay operates with a 125 V DC coil supply.

Q: How is the ABB MCRC004ATWL installed?

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

ABB 1SAH220399R9900 MCRC004ATWL mini contactor relay with four normally closed contacts and 125 V DC coil supply for industrial control applications.

SKU: 1SAH220399R9900Alt SKU: MCRC004ATWLMPN: 1SAH220399R9900

List Price £53.03 ex VAT

Your Price (ex VAT)

£53.03

Manufacturer Lead Time Estimated Delivery 7 weeks

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Manufacturer Lead Time

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Why Choose the ABB 1SAH220399R9900 MCRC004ATWL Mini Contactor Relay?

The ABB 1SAH220399R9900 is a compact MCRC004ATWL 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 MCRC 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 MCRC004ATWL is suitable for control circuits requiring multiple auxiliary switching contacts in a compact device. The unit uses screw terminal connections and supports DIN rail or wall mounting for flexible installation in electrical control panels.

With a 125 V DC coil supply and wide operating voltage range, the ABB 1SAH220399R9900 is designed for automation and industrial control applications where compact, reliable auxiliary switching is required.

Key Advantages

Compact mini contactor relay for industrial control applications.
4NC auxiliary contact configuration for flexible control circuit switching.
125 V DC coil voltage with wide operating range.
Space-saving design for installations with limited panel space.
Screw terminal connections for secure and practical wiring.
Suitable for DIN rail and wall mounting installations.

Key Features

ABB MCRC004ATWL mini contactor relay.
4-pole auxiliary contact configuration.
4 normally closed (NC) contacts.
125 V DC control supply.
DC-operated contactor relay design.
Screw terminal connection system.
DIN rail / wall mounting capability.
Compact construction for electrical control cabinets.

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 while reliable switching performance remains essential.

The ABB MCRC004ATWL combines robust electrical performance with flexible installation options, making it suitable for industrial control panels, automation systems and applications requiring reliable auxiliary contact operation.

Typical Applications

Industrial automation control panels.
Machine control and signalling circuits.
Building automation systems.
Electrical distribution control systems.
DC control circuits.
Applications requiring compact auxiliary switching relays.

Technical Specifications

Coil Voltage Range	100–130 V
Manufacturer	ABB
Model	1SAH220399R9900
Product type	Mini contactor relay
Series	MCRC
Type code	MCRC004ATWL
Contact configuration	4NC
Number of poles	4
Normally closed contacts	4
Coil / Supply Voltage	125 V DC
Operating voltage DC	up to 440 V
Rated operational current	6 A
Rated operational current AC-15	6 A at 240 V AC
Rated operational current at 400 V	4 A
Rated insulation voltage	690 V
Mounting type	DIN rail / wall mounting
Terminal type	Screw terminals
Dimensions (H × W × D)	48 × 45 × 68 mm
Weight	approx. 0.235 kg
EAN	4013614547270
Poles	4-pole
Coil / Supply Voltage	125 V DC
Device Type	Contactor relay
Coil Type	DC

Frequently Asked Questions

What is the ABB 1SAH220399R9900 used for?

The ABB 1SAH220399R9900 is a mini contactor relay used for switching control signals and small electrical loads in industrial and automation applications.

What contact configuration does the MCRC004ATWL provide?

The MCRC004ATWL provides four normally closed (NC) auxiliary contacts in a 4-pole configuration.

What coil voltage does the ABB 1SAH220399R9900 require?

The relay operates with a 125 V DC coil supply.

How is the ABB MCRC004ATWL installed?

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

What applications are suitable for the MCRC004ATWL?

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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