1SFL447102R1211 af140-40-11b-12 75kw/140 amp 48-130v 50/60hz dc ABB Contactor
ABB AF140-40-11B-12 industrial contactor with 4 poles, 140 A AC-3 rating, integrated auxiliary contacts, main circuit bars and 48-130 V AC/DC electronic coil for industrial motor control applications.
The ABB AF140-30-11-12 is a high-performance 3-pole AC/DC contactor engineered for reliable switching of motors, power circuits and industrial loads. Identified by manufacturer part number 1SFL447102R1211, this contactor forms part of the trusted ABB AF contactor series, offering dependable operation across a wide range of industrial and commercial applications.
Featuring ABB's advanced electronic coil technology, the AF series accepts a wide control voltage range, reducing the need for multiple coil variants while providing reliable operation even during voltage fluctuations. This helps minimise inventory requirements and improves system reliability.
With an AC-3 operational current rating of 140 A and a 48-130 V AC/DC electronic coil, the AF140-30-11-12 is ideally suited for controlling three-phase motors, pumps, compressors, HVAC equipment, conveyors and industrial automation systems. Integrated 1 NO + 1 NC auxiliary contacts provide additional flexibility for control circuits and signalling applications.
Key Advantages
Heavy-duty 3-pole contactor for industrial motor control.
140 A AC-3 operational current for demanding applications.
Wide-range 48-130 V AC/DC electronic coil reduces inventory requirements.
Integrated 1 NO + 1 NC auxiliary contacts.
Reliable operation during voltage dips and fluctuations.
Suitable for motor starting, isolation, power switching and automation systems.
Key Features
ABB AF contactor series.
3 normally open main power contacts.
140 A AC-3 rated operational current.
48-130 V AC/DC electronic control coil.
1 NO + 1 NC built-in auxiliary contacts.
Supports operation up to 690 V AC main circuit.
Designed for panel mounting with cable clamp connections.
Long mechanical and electrical service life for industrial environments.
Reliable Power Switching for Industrial Applications
The ABB AF140-30-11-12 is designed to switch high-current electrical loads safely and efficiently while protecting control equipment from unstable supply voltages. Its electronically controlled coil allows dependable operation across a broad voltage range, helping reduce downtime and improving equipment availability.
The AF contactor range is widely specified by machine builders, panel manufacturers and maintenance engineers for industrial motor control, power distribution and automation projects where long-term reliability is essential.
Typical Applications
Motor starters and motor control centres.
Industrial pumps and compressors.
Conveyor and material handling equipment.
HVAC and ventilation systems.
Power distribution and switching panels.
OEM machinery and industrial automation systems.
Technical Specifications
Power
75 kW
Current
140 A
Voltage
130 V
Phase
Three Phase
Series
AF Contactors
Part number
1SFL447102R1211
Product type
Industrial power contactor
Number of poles
4
Main contacts
4 NO
Auxiliary contacts
1 NO + 1 NC
Rated operational current AC-3
140 A
Rated operational current AC-1
200 A
Motor power AC-3 at 400 V
75 kW
Rated operational voltage
690 V IEC / 600 V UL
Rated insulation voltage
1000 V IEC
Control voltage
48–130 V AC/DC
Frequency
50 / 60 Hz
Mounting type
Panel mounting
Connection type
Main circuit bars with screw terminals
Dimensions (H × W × D)
approx. 150 × 120 × 128 mm
Weight
approx. 2.05 kg
Frequently Asked Questions
What is the ABB AF140-30-11-12 used for?
It is used for switching three-phase motors and other industrial electrical loads in automation, manufacturing and power distribution systems.
What control voltage does this contactor require?
The AF140-30-11-12 uses a wide-range 48-130 V AC/DC electronic control coil.
How many auxiliary contacts are included?
The contactor includes one normally open (NO) and one normally closed (NC) auxiliary contact as standard.
What is the current rating?
The contactor has a rated operational current of 140 A (AC-3) and is suitable for motors up to approximately 75 kW at 400 V.
What makes the ABB AF series different?
ABB AF contactors feature electronic wide-range AC/DC coils that improve reliability during voltage fluctuations while reducing the number of coil variants required.
Trusted by Industrial Professionals Worldwide
ABB AF contactors are trusted by machine builders, panel manufacturers and maintenance engineers for dependable switching performance, long service life and reliable operation in demanding industrial environments.
Power
75 kW
Current
140 A
Voltage
130 V
Phase
Three Phase
Series
AF Contactors
Part number
1SFL447102R1211
Product type
Industrial power contactor
Number of poles
4
Main contacts
4 NO
Auxiliary contacts
1 NO + 1 NC
Rated operational current AC-3
140 A
Rated operational current AC-1
200 A
Motor power AC-3 at 400 V
75 kW
Rated operational voltage
690 V IEC / 600 V UL
Rated insulation voltage
1000 V IEC
Control voltage
48–130 V AC/DC
Frequency
50 / 60 Hz
Mounting type
Panel mounting
Connection type
Main circuit bars with screw terminals
Dimensions (H × W × D)
approx. 150 × 120 × 128 mm
Weight
approx. 2.05 kg
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
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
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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...