1SFL427101R1311 af140-40-11-13 75kw/140 amp 100-250v 50/60hz dc ABB Contactor

Why Choose the ABB AF140-40-11-13 Contactor?

The ABB AF140-40-11-13, part number 1SFL447101R1311, is a heavy-duty 4-pole industrial contactor designed for demanding motor control and industrial power switching applications. As part of the advanced ABB AF contactor series, it incorporates ABB’s electronically controlled coil technology, ensuring reliable operation across a wide control voltage range while improving energy efficiency and operational stability.

Designed for industrial automation systems, OEM machinery and power distribution applications, the AF140-40-11-13 controls motors up to 75 kW at 400 V AC under AC-3 duty while switching power circuits up to 200 A AC-1. Integrated surge suppression technology simplifies panel design and helps protect control circuits from transient voltage disturbances.

Its robust industrial construction, combined with pre-mounted auxiliary contacts and a flexible 100–250 V AC/DC electronic coil, makes this contactor ideal for industrial control panels, HVAC systems, conveyors and automation equipment requiring dependable long-term switching performance.

Key Advantages

• Heavy-duty 4-pole industrial contactor for demanding switching applications.
• 75 kW AC-3 motor control capability at 400 V AC.
• 100–250 V AC/DC wide-range electronic coil.
• Integrated surge suppression reduces installation complexity.
• Pre-mounted 1 NO + 1 NC auxiliary contacts.
• Reliable performance during fluctuating control voltage conditions.

Key Features

• ABB AF contactor series.
• 4 normally open main poles.
• 140 A AC-3 operational current.
• 200 A AC-1 operational current.
• 100–250 V AC/DC electronic coil interface.
• Integrated surge protection technology.
• Pre-installed 1 NO + 1 NC auxiliary contacts.
• Double clamp screw terminal connections.

Technical Specifications

• Manufacturer: ABB
• Series: AF Contactors
• Model: AF140-40-11-13
• Part number: 1SFL447101R1311
• 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: 100–250 V AC/DC
• Frequency: 50 / 60 Hz
• Mounting type: Panel mounting
• Connection type: Double clamp screw terminals
• Protection feature: Integrated surge suppression
• Dimensions (H × W × D): approx. 150 × 120 × 128 mm
• Weight: approx. 2.05 kg

Reliable Switching for Industrial Automation

The ABB AF140-40-11-13 is engineered for industrial switching applications where operational reliability and long service life are essential. ABB’s AF electronic coil technology enables stable switching performance even during substantial voltage fluctuations, helping reduce downtime and improve automation system reliability.

Integrated surge suppression technology helps reduce electrical disturbances while simplifying panel construction by removing the need for additional suppressors in many applications. The AF series is trusted worldwide by industrial automation engineers, machine builders and control panel manufacturers.

Typical Applications

• Industrial motor control systems.
• HVAC and ventilation equipment.
• Conveyor and material handling systems.
• Pumps and compressors.
• OEM machinery and automation panels.
• Industrial power distribution and switching systems.

Trusted by Industrial Automation Professionals

ABB AF contactors are trusted worldwide for dependable industrial switching performance, advanced electronic coil technology and reliable operation in demanding automation and power control systems.