MC74N-S-00-4024AC IMO Contactor 4 Pole Open 37kW 74 AC3, 24V AC Coil

Q: What motor size can this contactor control?

The contactor is rated for motors up to 37 kW at 400 V AC (AC-3).

Q: What coil voltage does this model require?

This version operates from a 24 V AC, 50/60 Hz control supply.

Q: How many main contacts does the contactor have?

The MC74N-S-00-4024AC features 4 normally open (4NO) main contacts.

IMO MC74N-S-00-4024AC 4 pole normally open AC contactor with 37 kW motor rating, 74 A AC-3 current rating, 130 A AC-1 rating and 24 V AC coil for industrial motor control and electrical load switching applications.

SKU: MC74N-S-00-4024ACAlt SKU: MC74NS004024ACMPN: MC74N-S-00-4024AC

List Price £423.98 ex VAT

Your Price (ex VAT)

£423.98

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Manufacturer Lead Time

£423.98

Why Choose the IMO MC74N-S-00-4024AC Contactor?

The IMO MC74N-S-00-4024AC is a heavy-duty 4-pole AC contactor engineered for industrial motor control, power switching and automation applications. As part of the proven IMO MC Contactor Series, it delivers reliable switching performance for demanding control panels, OEM machinery and industrial power distribution systems.

Featuring a 24 V AC, 50/60 Hz operating coil, 4 normally open (4NO) main contacts and an AC-3 rating of 74 A / 37 kW at 400 V AC, this contactor is designed for switching high-power three-phase motors and industrial electrical loads. Its robust construction and DIN rail or panel mounting capability ensure dependable operation and straightforward installation.

Designed in accordance with IEC / EN 60947-4-1, the MC74N-S-00-4024AC offers excellent electrical endurance and mechanical durability, making it ideal for industrial automation, manufacturing, HVAC systems and machine-building applications.

Key Advantages

Heavy-duty 4-pole industrial contactor.
74 A AC-3 switching capacity.
37 kW motor rating at 400 V AC.
24 V AC operating coil.
Compact DIN rail or panel mounting design.
High electrical and mechanical durability.
Suitable for industrial motor control and power switching.

Key Features

IMO MC standard contactor series.
4 normally open (4NO) main contacts.
74 A AC-3 rated current.
37 kW motor rating at 400 V AC.
24 V AC, 50/60 Hz operating coil.
DIN rail and panel mounting compatibility.
Designed to IEC / EN 60947-4-1.
Compact industrial construction.

Reliable Motor Control for Industrial Applications

The IMO MC74N-S-00-4024AC provides dependable switching for high-power three-phase motors and industrial electrical loads. Its robust contact design and high switching capacity help maximise system reliability while reducing maintenance requirements in demanding industrial environments.

Designed for panel builders, OEM machine manufacturers and industrial maintenance engineers, the MC contactor series offers dependable operation, straightforward installation and compatibility with IMO overload relays and motor control accessories.

Typical Applications

Industrial motor starters.
Pumps and compressors.
Conveyor systems.
HVAC equipment.
Process automation.
OEM machinery and industrial control panels.

Technical Specifications

Coil Voltage Range	24 V
Power	37 kW
Current	74 A
Voltage	24 V
Phase	Three Phase
Product type	AC contactor
Series	MC contactor range
Number of poles	4 pole
Contact configuration	4 normally open main contacts
Rated motor power	37 kW
Utilisation category	AC-3
AC-3 current rating	74 A
AC-1 current rating	130 A
Coil / Supply Voltage	24 V AC
Temperature range	-40°C to +60°C
Cable size	10.0-35.0 mm²
Cable sizes	12-10 AWG
Control application	Motor switching, load switching and industrial automation control
Mounting style	Panel / contactor assembly mounting
Compatible accessories	Selected IMO overload relays and auxiliary contact accessories, where applicable
Alternative reference	MC74NS004024AC
Typical installation	Industrial control panels, machinery panels and motor control systems
Warranty	1 year
HS Code	8536490099
Country of Manufacture	Austria
Poles	4-pole
Coil / Supply Voltage	24 V AC
Device Type	Contactor
Coil Type	AC
Current AC-1	130 A

Frequently Asked Questions

What is the IMO MC74N-S-00-4024AC used for?

It is used for switching three-phase motors and industrial power circuits in automation systems and motor control panels.

What motor size can this contactor control?

The contactor is rated for motors up to 37 kW at 400 V AC (AC-3).

What coil voltage does this model require?

This version operates from a 24 V AC, 50/60 Hz control supply.

How many main contacts does the contactor have?

The MC74N-S-00-4024AC features 4 normally open (4NO) main contacts.

Where is this contactor typically installed?

It is commonly installed in industrial control panels and motor starter assemblies using DIN rail or panel mounting.

Trusted by Industrial Control Professionals

IMO MC contactors are widely trusted by panel builders, OEM manufacturers and maintenance engineers for reliable motor switching, long service life and dependable operation in demanding industrial automation applications.

Coil Voltage Range	24 V
Power	37 kW
Current	74 A
Voltage	24 V
Phase	Three Phase
Product type	AC contactor
Series	MC contactor range
Number of poles	4 pole
Contact configuration	4 normally open main contacts
Rated motor power	37 kW
Utilisation category	AC-3
AC-3 current rating	74 A
AC-1 current rating	130 A
Coil / Supply Voltage	24 V AC
Temperature range	-40°C to +60°C
Cable size	10.0-35.0 mm²
Cable sizes	12-10 AWG
Control application	Motor switching, load switching and industrial automation control
Mounting style	Panel / contactor assembly mounting
Compatible accessories	Selected IMO overload relays and auxiliary contact accessories, where applicable
Alternative reference	MC74NS004024AC
Typical installation	Industrial control panels, machinery panels and motor control systems
Warranty	1 year
HS Code	8536490099
Country of Manufacture	Austria
Poles	4-pole
Coil / Supply Voltage	24 V AC
Device Type	Contactor
Coil Type	AC
Current AC-1	130 A

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.

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£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

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Northern Ireland, ROI & export

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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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