1SFL447002R1111 af140-30-11b-11 75kw/140 amp 24-60v 50/60hz-dc ABB Contactor

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

The ABB AF140-30-11B-11 contactor, part number 1SFL447002R1111, is a high-performance 3-pole industrial power contactor engineered for demanding motor control, power switching and industrial automation applications. As part of the advanced ABB AF contactor series, this unit provides reliable switching performance combined with a wide electronic coil operating range for improved flexibility and reduced energy consumption.

Designed for industrial environments, the AF140 series incorporates ABB’s advanced electronic coil technology, allowing the contactor to operate across a broad 24–60 V AC/DC control voltage range. This helps reduce the need for multiple coil variants while improving resistance to voltage fluctuations and power disturbances commonly found in industrial systems.

With a rated operational current of up to 140 A AC-3 and motor switching capability up to 75 kW at 400 V, the ABB AF140-30-11B-11 is ideal for controlling motors, pumps, compressors, conveyors and heavy-duty industrial loads. Its compact design, integrated auxiliary contacts and durable construction make it suitable for modern control panels and machinery installations.

Key Advantages

• High-performance 3-pole industrial contactor for motor control applications.
• Wide-range electronic coil supports 24–60 V AC/DC control voltages.
• 140 A AC-3 operational current for demanding industrial loads.
• Motor switching capability up to 75 kW at 400 V AC.
• Integrated 1 NO + 1 NC auxiliary contacts.
• Reliable switching performance with reduced coil power consumption.
• Compact design suitable for industrial control panels and OEM machinery.

Key Features

• ABB AF contactor series.
• Model: AF140-30-11B-11.
• Part number: 1SFL447002R1111.
• 3-pole power contactor with 3 NO main contacts.
• 1 NO + 1 NC integrated auxiliary contacts.
• 24–60 V AC/DC wide-range electronic coil.
• 690 V AC maximum operational voltage.
• Suitable for motor starting, isolation and power distribution applications.
• High mechanical durability with long operational life.
• Compact panel-mounted industrial design.

Technical Specifications

• Manufacturer: ABB
• Series: AF Contactors
• Model: AF140-30-11B-11
• Part number: 1SFL447002R1111
• Product type: Industrial contactor
• Number of poles: 3
• Main contacts: 3 NO
• Auxiliary contacts: 1 NO + 1 NC
• Rated operational current AC-3: 140 A
• Rated operational current AC-1: 200 A
• Motor power rating: 75 kW at 400 V AC
• Maximum operational voltage: 690 V AC
• Control voltage: 24–60 V AC/DC
• Frequency: 50 / 60 Hz
• Mounting type: Panel mounting
• Terminal type: Bar connection
• Protection rating: IP20 coil terminals
• Dimensions (H × W × D): approx. 150 × 90 × 126 mm
• Weight: approx. 1.3 kg

Reliable Switching for Industrial Motor Control

Industrial contactors such as the ABB AF140-30-11B-11 are designed to provide dependable switching of high-current electrical loads in demanding automation environments. They are commonly used to control motors, compressors, heating systems and industrial machinery where safe and efficient switching is essential.

ABB’s AF series contactors use advanced electronic coil technology to maintain stable operation even during voltage fluctuations. This helps improve system reliability while reducing energy consumption and minimising control cabinet complexity by supporting multiple control voltages within a single device.

Typical Applications

• Industrial motor starters and motor control centres.
• Conveyor and material handling systems.
• Pumps, compressors and ventilation systems.
• HVAC and building automation equipment.
• OEM machinery and industrial automation systems.
• Power distribution and load switching applications.

Trusted by Industrial Automation Engineers Worldwide

ABB AF contactors are widely trusted across industrial automation, manufacturing and machine building industries for reliable motor control, high switching performance and dependable long-term operation.