1SFL427102R1211 af116-40-11b-12 55kw/116 amp 48-130v 50/60hz dc ABB Contactor

Why Choose the ABB AF116-40-11B-12 Contactor?

The ABB AF116-40-11B-12, part number 1SFL427102R1211, is a high-performance 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 to provide 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 AF116-40-11B-12 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 layouts while protecting sensitive control circuits from transient voltage disturbances.

Its robust industrial construction, combined with pre-mounted auxiliary contacts and integrated main circuit bars, makes this contactor ideal for industrial control panels, HVAC systems, conveyors and automation equipment requiring dependable long-term switching performance and simplified high-current wiring.

Key Advantages

• Heavy-duty 4-pole industrial contactor for demanding switching applications.
• 55 kW AC-3 motor control capability at 400 V AC.
• 48–130 V AC/DC wide-range electronic coil.
• Integrated surge suppression reduces installation complexity.
• Pre-mounted 1 NO + 1 NC auxiliary contacts.
• Integrated main circuit bars simplify high-current power connections.

Key Features

• ABB AF contactor series.
• 4 normally open main poles.
• 116 A AC-3 operational current.
• 160 A AC-1 operational current.
• 48–130 V AC/DC electronic coil interface.
• Integrated surge protection technology.
• Pre-installed 1 NO + 1 NC auxiliary contacts.
• Main circuit bars for simplified power distribution.

Technical Specifications

• Manufacturer: ABB
• Series: AF Contactors
• Model: AF116-40-11B-12
• Part number: 1SFL427102R1211
• 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: 48–130 V AC/DC
• Frequency: 50 / 60 Hz
• Mounting type: Panel mounting
• Connection type: Main circuit bars with screw terminals
• Protection feature: Integrated surge suppression
• Dimensions (H × W × D): approx. 150 × 120 × 128 mm
• Weight: approx. 1.55 kg

Reliable Switching for Industrial Automation

The ABB AF116-40-11B-12 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 during significant voltage fluctuations, helping reduce downtime and improve automation system reliability.

Integrated surge suppression technology helps minimise electrical disturbances while simplifying panel construction by reducing the need for additional suppressors. The integrated main circuit bars further improve installation efficiency and simplify high-current distribution inside industrial control panels.

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.