MC74N-S-00-40400AC IMO Contactor 4 Pole Open 37kW 74 AC3, 400V 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 400 V AC, 50/60 Hz control supply.

Q: How many main contacts does the contactor have?

The MC74N-S-00-40400AC features 4 normally open (4NO) main contacts.

IMO MC74N-S-00-40400AC 4 pole normally open AC contactor with 37 kW motor rating, 74 A AC-3 current rating, 130 A AC-1 rating and 400 V AC coil for industrial motor control and electrical load switching applications.

SKU: MC74N-S-00-40400ACAlt SKU: MC74NS0040400ACMPN: MC74N-S-00-40400AC

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-00-40400AC Contactor?

The IMO MC74N-S-00-40400AC is a heavy-duty 4-pole AC contactor designed for industrial motor control, power switching and automation applications. As part of the reliable IMO MC Contactor Series, it provides dependable switching performance for demanding control panels, OEM machinery and industrial electrical systems.

Featuring a 400 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 suitable for switching high-power three-phase motors, industrial loads and automation equipment. Its robust construction supports reliable operation in demanding environments.

Designed for industrial applications, the MC74N-S-00-40400AC provides high electrical endurance, dependable switching and compatibility with modern motor control assemblies. It is suitable for OEM machinery, motor starters, manufacturing equipment and industrial control panels.

Key Advantages

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

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.
400 V AC, 50/60 Hz operating coil.
DIN rail or panel mounting design.
Designed according to IEC / EN 60947-4-1.
Compatible with IMO motor control accessories.

Reliable Motor Control for Industrial Applications

The IMO MC74N-S-00-40400AC provides dependable switching for industrial motors and electrical loads where reliable operation is essential. Its high AC-3 rating and durable contact system allow it to handle demanding motor starting and switching duties in industrial environments.

Designed for panel builders, OEM machine manufacturers and industrial maintenance engineers, the MC contactor series delivers reliable performance, straightforward installation and long service life in automation and power control applications.

Typical Applications

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

Technical Specifications

Coil Voltage Range	380–440 V
Power	37 kW
Current	74 A
Voltage	400 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	400 V AC
Coil voltage range	380-415 V AC, 50 Hz
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	MC74NS0040400AC
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	400 V AC
Device Type	Contactor
Coil Type	AC
Current AC-1	130 A

Frequently Asked Questions

What is the IMO MC74N-S-00-40400AC used for?

It is used for switching three-phase motors and industrial electrical loads 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 400 V AC, 50/60 Hz control supply.

How many main contacts does the contactor have?

The MC74N-S-00-40400AC 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 used by panel builders, OEM manufacturers and industrial engineers for reliable motor switching, efficient automation integration and dependable operation in demanding industrial environments.

Coil Voltage Range	380–440 V
Power	37 kW
Current	74 A
Voltage	400 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	400 V AC
Coil voltage range	380-415 V AC, 50 Hz
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	MC74NS0040400AC
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	400 V AC
Device Type	Contactor
Coil Type	AC
Current AC-1	130 A

UK 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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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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