1SFL427101R1111 af140-40-11-11 75kw/140 amp 24-60v 50/60hz-20-60v dc ABB Contactor

Why Choose the ABB AF116-40-11-11 Contactor?

The ABB AF116-40-11-11, part number 1SFL427101R1111, is a powerful and reliable 4-pole industrial contactor designed for demanding motor control and power switching applications. As part of the advanced ABB AF contactor range, it incorporates ABB’s innovative electronic coil technology, providing dependable switching performance across a wide control voltage range while reducing energy consumption and improving operational reliability.

Designed for industrial automation systems, OEM machinery and heavy-duty switching applications, the AF116-40-11-11 controls motors up to 55 kW at 400 V AC under AC-3 duty while switching power circuits up to 160 A AC-1. Integrated surge suppression technology helps simplify panel design while protecting control circuits from transient voltage disturbances.

Its robust block-type construction, combined with pre-mounted auxiliary contacts and flexible AC/DC coil operation, 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.
• 55 kW AC-3 motor control capability at 400 V AC.
• 24–60 V AC/DC wide-range electronic coil.
• Integrated surge suppression reduces installation complexity.
• Pre-mounted 1 NO + 1 NC auxiliary contacts.
• Reliable operation during fluctuating supply voltage conditions.

Key Features

• ABB AF contactor series.
• 4 normally open main poles.
• 116 A AC-3 operational current.
• 160 A AC-1 operational current.
• 24–60 V AC 50/60 Hz and 20–60 V DC control voltage.
• 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: AF116-40-11-11
• Part number: 1SFL427101R1111
• Product type: Industrial power contactor
• Number of poles: 4
• Main contacts: 4 NO
• Auxiliary contacts: 1 NO + 1 NC
• Rated operational current AC-3: 116 A
• Rated operational current AC-1: 160 A
• Motor power AC-3 at 400 V: 55 kW
• Rated operational voltage: 690 V IEC / 600 V UL
• Rated insulation voltage: 1000 V IEC
• Control voltage: 24–60 V AC 50/60 Hz / 20–60 V 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 × 90 × 126 mm
• Weight: approx. 1.55 kg

Reliable Switching for Industrial Automation

The ABB AF116-40-11-11 is engineered for industrial switching applications where operational reliability and long service life are critical. ABB’s AF electronic coil technology enables stable switching performance even during substantial voltage fluctuations, helping minimise downtime and improve automation system reliability.

Integrated surge suppression technology helps reduce electrical disturbances while simplifying panel construction by eliminating the need for many external suppressors. The AF series is widely trusted by industrial automation engineers, panel builders and OEM machine manufacturers worldwide.

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 switching and distribution 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.