IMO MA05-S-1042AC compact micro contactor with 3-pole normally open contacts, 1 NO auxiliary contact, 2.2 kW AC3 motor rating and 42 V AC operating coil for industrial automation and motor control systems.
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The IMO MA05-S-1042AC is a compact and highly reliable micro contactor designed for industrial motor control, automation systems and machinery switching applications where dependable operation and minimal installation space are essential. As part of the advanced IMO MA Series, this relay-sized contactor delivers industrial-grade switching performance for OEM machinery, conveyors, hoists and industrial automation equipment.
Featuring a 3-pole normally open contact configuration, 1 NO auxiliary contact and a 42 V AC operating coil, the MA05-S-1042AC is engineered for efficient switching of industrial motors and automation loads. Its compact TS15 DIN rail mounting format allows straightforward installation inside modern control panels while maintaining dependable electrical performance and long operational life.
The IMO MA Series is widely trusted by machine builders and industrial automation engineers seeking compact motor control solutions with industrial-grade durability. With a 2.2 kW AC3 motor rating, positively guided contacts and compact dimensions, the MA Series provides efficient switching performance in demanding industrial environments.
Key Advantages
Compact micro contactor for industrial motor control systems.
3-pole normally open contact configuration with 1 NO auxiliary contact.
42 V AC operating coil suitable for industrial automation circuits.
Reliable motor switching capability up to 2.2 kW AC3.
Compact relay-sized format saves valuable control panel space.
TS15 DIN rail mounting for fast installation.
Industrial-grade construction for demanding environments.
Key Features
IMO MA Series micro contactor.
3-pole normally open main contacts.
1 NO auxiliary contact.
42 V AC coil voltage.
5 A AC3 switching current.
12 A AC1 current rating.
2.2 kW AC3 motor switching capability.
Compact TS15 DIN rail mounted enclosure.
Technical Specifications
Manufacturer: IMO Precision Controls
Series: MA Series
Model: MA05-S-1042AC
Product type: Micro contactor
Main contact configuration: 3PST-NO
Auxiliary contacts: 1 NO auxiliary contact
Motor rating (AC3): 2.2 kW at 400 V AC
AC3 current rating: 5 A
AC1 current rating: 12 A
Control coil voltage: 42 V AC, 50/60 Hz
Operating voltage: up to 300 V AC
Mounting type: TS15 DIN rail mounting
Contact clearance: >3 mm according to IEC 60335-1
Protection standard: IEC 60947-4-1 compliant
Weight: approx. 0.07 kg
Compact Motor Switching for Industrial Applications
Micro contactors such as the IMO MA05-S-1042AC are designed to provide dependable motor control and industrial load switching within compact automation systems. Their reduced footprint allows machine builders and panel manufacturers to maximise available cabinet space while maintaining industrial-grade switching performance.
The MA Series is commonly integrated into industrial machinery, conveyors, hoists and automation systems requiring compact motor switching and auxiliary control functionality. Its robust industrial construction ensures dependable long-term operation in demanding environments.
Typical Applications
Industrial motor control systems.
Machine building and OEM automation equipment.
Industrial conveyors and material handling systems.
Hoists and lifting equipment.
Compact industrial control panels.
Automation and machinery switching applications.
Technical Specifications
Power
2.2 kW
Current
5 A
Voltage
42 V
Phase
Three Phase
Series
MA Series
Product type
Micro contactor
Main contact configuration
3PST-NO
Auxiliary contacts
1 NO auxiliary contact
Motor rating (AC3)
2.2 kW at 400 V AC
AC3 current rating
5 A
AC1 current rating
12 A
Control coil voltage
42 V AC, 50/60 Hz
Operating voltage
up to 300 V AC
Mounting type
TS15 DIN rail mounting
Contact clearance
>3 mm according to IEC 60335-1
Protection standard
IEC 60947-4-1 compliant
Weight
approx. 0.07 kg
HS Code
8536490099
Country of Manufacture
Austria
Frequently Asked Questions
What is the IMO MA05-S-1042AC used for?
This micro contactor is used for industrial motor control, automation systems and machinery switching applications.
What motor rating does this contactor support?
The MA05-S-1042AC supports motor loads up to approximately 2.2 kW AC3 at 400 V AC.
What coil voltage does this contactor require?
This model operates using a 42 V AC operating coil.
Does this unit include auxiliary contacts?
Yes, the contactor includes 1 normally open auxiliary contact for control and signalling functions.
How is this contactor mounted?
The MA05-S-1042AC is designed for installation on standard TS15 DIN rail systems.
Trusted by Industrial Automation Engineers Worldwide
IMO MA Series micro contactors are trusted by industrial engineers and machine builders for compact installation, reliable switching performance and dependable operation in demanding automation environments.
Power
2.2 kW
Current
5 A
Voltage
42 V
Phase
Three Phase
Series
MA Series
Product type
Micro contactor
Main contact configuration
3PST-NO
Auxiliary contacts
1 NO auxiliary contact
Motor rating (AC3)
2.2 kW at 400 V AC
AC3 current rating
5 A
AC1 current rating
12 A
Control coil voltage
42 V AC, 50/60 Hz
Operating voltage
up to 300 V AC
Mounting type
TS15 DIN rail mounting
Contact clearance
>3 mm according to IEC 60335-1
Protection standard
IEC 60947-4-1 compliant
Weight
approx. 0.07 kg
HS Code
8536490099
Country of Manufacture
Austria
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...