imo mb09-s-01=12 mini contactor 3 pole n/o 4kw 9a ac3, 1 n/c aux, 12vdc
IMO MB09-S-01=12 miniature contactor with 9A AC-3 rating, 4 kW motor capacity, 12 V DC coil and 1 NC auxiliary contact for industrial motor control and automation systems.
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The IMO MB09-S-01=12 is a compact and reliable miniature contactor designed for industrial motor switching and automation control applications. Manufactured by IMO Precision Controls, this industrial contactor delivers dependable switching performance for machinery, OEM equipment and industrial control panels.
Designed for demanding industrial motor control duties, the MB09-S-01=12 provides a robust 9 A AC-3 operational rating suitable for switching three-phase motors and industrial electrical loads. Its compact DIN rail mounting design enables efficient installation inside control cabinets while maintaining reliable long-term operational performance.
Featuring a 12 V DC operating coil and an integrated 1 normally closed auxiliary contact, this miniature contactor is ideal for motor starters, conveyor systems, HVAC equipment and industrial automation systems requiring compact and dependable switching solutions.
Key Advantages
Compact miniature contactor for industrial automation systems.
9 A AC-3 operational rating suitable for motor switching applications.
Supports motors up to approximately 4 kW.
12 V DC operating coil compatible with industrial control systems.
Integrated 1 NC auxiliary contact for signalling and interlocking.
Compact DIN rail mounting design saves valuable panel space.
Key Features
IMO MB miniature contactor series.
3-pole normally open main contacts.
9 A AC-3 current rating.
4 kW motor power capability.
12 V DC coil voltage.
1 normally closed auxiliary contact.
DIN rail and panel mounting compatibility.
Industrial screw terminal connections.
Technical Specifications
Manufacturer: IMO Precision Controls
Series: MB Miniature Contactors
Model: MB09-S-01=12
Product type: Miniature contactor
Main contact configuration: 3 pole normally open
Auxiliary contacts: 1 NC auxiliary contact
Rated operational current: 9 A AC-3
AC1 current rating: 20 A
Motor rating: 4 kW at 400 V AC
Coil voltage: 12 V DC
Rated insulation voltage: 690 V AC
Frequency: DC operation
Mounting type: DIN rail / panel mounting
Terminal type: Screw terminals
Standards: EN 60947-4-1
Reliable Industrial Motor Switching
Miniature contactors such as the IMO MB09-S-01=12 are widely used in industrial automation systems to safely switch motors, pumps, compressors and electrical loads. Their compact dimensions make them ideal for modern electrical control cabinets and OEM machinery installations.
The IMO MB series is engineered for dependable switching performance and long operational life in demanding industrial environments. Integrated auxiliary contacts simplify signalling and interlocking functions within machine control and automation systems.
Typical Applications
Industrial motor starters.
Automation control systems.
HVAC and ventilation equipment.
Pumps and compressor control circuits.
Conveyor systems and material handling.
OEM machinery and production equipment.
Technical Specifications
Power
4 kW
Current
9 A
Voltage
12 V
Phase
Three Phase
Series
MB Miniature Contactors
Product type
Miniature contactor
Main contact configuration
3 pole normally open
Auxiliary contacts
1 NC auxiliary contact
Rated operational current
9 A AC-3
AC1 current rating
20 A
Motor rating
4 kW at 400 V AC
Coil voltage
12 V DC
Rated insulation voltage
690 V AC
Frequency
DC operation
Mounting type
DIN rail / panel mounting
Terminal type
Screw terminals
Standards
EN 60947-4-1
HS Code
8536490099
Country of Manufacture
Austria
Frequently Asked Questions
What is the IMO MB09-S-01=12 used for?
This miniature contactor is used for switching motors and electrical loads in industrial automation and machine control systems.
What current rating does this contactor provide?
The contactor has a 9 A AC-3 operational current rating suitable for industrial motor control applications.
What motor size can this contactor control?
The MB09-S-01=12 is suitable for motors up to approximately 4 kW at 400 V AC.
What coil voltage does the MB09-S-01=12 use?
This model operates using a 12 V DC control coil.
Does this contactor include auxiliary contacts?
Yes, the MB09-S-01=12 includes 1 normally closed auxiliary contact for signalling and interlocking functions.
Trusted by Industrial Automation Engineers
IMO miniature contactors are widely trusted in industrial automation systems where dependable switching performance, compact installation and reliable motor control are essential.
Power
4 kW
Current
9 A
Voltage
12 V
Phase
Three Phase
Series
MB Miniature Contactors
Product type
Miniature contactor
Main contact configuration
3 pole normally open
Auxiliary contacts
1 NC auxiliary contact
Rated operational current
9 A AC-3
AC1 current rating
20 A
Motor rating
4 kW at 400 V AC
Coil voltage
12 V DC
Rated insulation voltage
690 V AC
Frequency
DC operation
Mounting type
DIN rail / panel mounting
Terminal type
Screw terminals
Standards
EN 60947-4-1
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.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
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Support for engineering, maintenance, and operations
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Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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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...