1SFL587002R3111 ABB AF305-30-11-31 24-60V 50/60Hz AC / 20-60V DC 3 Pole 3NO 1NO/1NC Block Contactor

1SFL587002R3111 ABB AF305-30-11-31 24-60V 50/60Hz AC / 20-60V DC 3 Pole 3NO 1NO/1NC Block Contactor

ABB AF305-30-11-31 contactor, a three-pole IEC power contactor designed for industrial motor control and switching applications.

SKU: 1SFL587002R3111Alt SKU: AF305-30-11-31MPN: 1SFL587002R3111
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Manufacturer Lead Time Estimated Delivery 5 weeks
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£1,646.42

Why Choose the ABB AF305-30-11-31 Contactor?

The ABB AF305-30-11-31 is a high-performance three-pole IEC contactor designed for reliable switching and control of motors and power circuits in industrial applications. As part of the advanced ABB AF contactor series, it features AF electronic coil technology that provides a wide control voltage range, reduced panel energy consumption and dependable operation in demanding electrical systems.

This contactor is engineered for motor starting, isolation, bypass and distribution applications. Its block-type construction allows straightforward installation and expansion with ABB auxiliary contact blocks and accessories, making it suitable for modern industrial control panels and automation systems.

With a rated operational power of up to 160 kW at 400 V AC (AC-3) and a 24–60 V AC/DC control voltage range, the AF305-30-11-31 provides reliable switching performance for large motors and industrial loads. Its robust design supports applications requiring high electrical endurance and consistent operation.

Key Advantages

  • High-performance ABB AF series contactor for industrial switching applications.
  • Three-pole main contact design for motor and power circuit control.
  • Wide 24–60 V AC/DC control voltage range for flexible installation.
  • Suitable for motor control applications up to 160 kW at 400 V AC.
  • Energy-efficient AF coil technology reduces control panel power consumption.
  • Compatible with ABB auxiliary contact blocks and accessories.

Key Features

  • ABB AF contactor series.
  • AF305-30-11-31 contactor model.
  • 3 main normally open contacts.
  • 1 normally open and 1 normally closed auxiliary contact.
  • 24–60 V AC 50/60 Hz and DC coil control.
  • 1000 V AC rated operational voltage according to IEC requirements.
  • Built-in surge protection and electronic coil control.
  • Block design for easy mounting and accessory integration.

Reliable Switching for Industrial Applications

Industrial contactors such as the ABB AF305-30-11-31 provide dependable electrical switching for motors, distribution systems and industrial machinery. The AF electronic coil technology helps maintain reliable operation while reducing energy consumption compared with traditional contactor designs.

The ABB AF series is designed for demanding automation and industrial environments where dependable switching, long service life and flexible control options are required. Its modular design allows integration into a wide range of motor control centres and electrical control systems.

Typical Applications

  • Industrial motor starting and stopping systems.
  • Motor control centres and electrical panels.
  • Pumps, fans and compressors.
  • Manufacturing and processing machinery.
  • Power distribution and bypass applications.
  • Industrial automation and OEM equipment.

Technical Specifications

Manufacturer ABB
Series AF Contactors
Model AF305-30-11-31
Product type IEC power contactor
Order code 1SFL587002R3111
Main contacts 3 NO
Auxiliary contacts 1 NO + 1 NC
Rated operational voltage up to 1000 V AC
Rated operational current AC-3 305 A at 400 V AC
Rated operational power AC-3 160 kW at 400 V AC
Conventional free-air thermal current 500 A
Control voltage 24–60 V AC/DC
Frequency 50 / 60 Hz
Rated insulation voltage 1000 V
Impulse withstand voltage 8 kV
Mechanical durability 5 million operations
Protection rating IP20 (coil terminals)
Mounting type Panel mounting
Dimensions (H × W × D) approx. 225 × 140 × 180 mm
Weight approx. 3.9 kg

Frequently Asked Questions

What is the ABB AF305-30-11-31 used for?

The ABB AF305-30-11-31 is a three-pole contactor used for motor starting, switching and power control applications in industrial systems.

What motor power can the AF305-30-11-31 control?

The contactor can control motors up to approximately 160 kW at 400 V AC in AC-3 duty.

What control voltage does this contactor require?

The AF305-30-11-31 operates with a 24–60 V AC/DC control voltage range.

How many main contacts does this ABB contactor have?

The contactor has three main normally open contacts with additional auxiliary contacts for control functions.

Where is the AF305-30-11-31 typically installed?

The contactor is typically installed inside industrial electrical panels, motor control centres and automation systems.

Trusted by Industry Professionals Worldwide

ABB AF contactors are widely used by engineers and machine builders to provide reliable motor switching, efficient control and long-lasting performance in industrial electrical systems.

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