1SFL427101R1211 af116-40-11-12 55kw/116 amp 48-130v 50/60hz dc ABB Contactor

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

The ABB AF116-40-11-12, part number 1SFL427101R1211, is a high-capacity 4-pole industrial contactor engineered for reliable motor control and industrial power switching applications. As part of the advanced ABB AF contactor series, it uses ABB’s innovative electronic coil technology to provide dependable operation across a wide control voltage range while maintaining excellent switching performance in demanding industrial environments.

Designed for industrial automation systems, switchboards and OEM machinery, the AF116-40-11-12 supports motors up to 55 kW at 400 V AC under AC-3 duty while handling operational currents up to 116 A. Integrated surge suppression and wide-range control voltage capability simplify panel design while improving operational reliability.

The compact industrial design, combined with pre-mounted auxiliary contacts and reduced coil energy consumption, makes this contactor ideal for modern automation systems requiring dependable long-term switching performance and flexible international voltage compatibility.

Key Advantages

• Reliable 4-pole industrial contactor for heavy-duty switching applications.
• 55 kW AC-3 motor control capability at 400 V AC.
• 100–250 V AC/DC wide-range electronic coil.
• Integrated surge suppression reduces external component requirements.
• Pre-mounted 1 NO + 1 NC auxiliary contacts.
• Optimised for industrial automation and OEM machine building.

Key Features

• ABB AF contactor series.
• 4 normally open main poles.
• 116 A AC-3 operational current.
• 160 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: AF116-40-11-12
• Part number: 1SFL427101R1211
• 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 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

Efficient Switching for Industrial Automation

The ABB AF116-40-11-12 is engineered for industrial switching applications requiring high operational reliability and long service life. Its electronic coil design enables stable switching performance even during significant control voltage fluctuations, helping improve machine reliability and reduce downtime.

Integrated surge suppression technology minimises electrical disturbances and helps simplify panel layouts by reducing the need for additional protection devices. The AF series is trusted worldwide by automation engineers and industrial panel builders.

Typical Applications

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

Trusted by Industrial Control Professionals

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