1SFL447102R1111 af140-40-11b-11 75kw/140 amp 24-60v 50/60hz-20-60v dc ABB Contactor

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.

SKU: 1SFL447102R1211Alt SKU: AF140-40-11B-12MPN: 1SFL447102R1211
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Manufacturer Lead Time Estimated Delivery 6 weeks
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£643.09

Why Choose the ABB AF140-30-11-12 Contactor?

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.

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