BF4000A024 Lovato contactor 3 pole AC3:40A 18.5kw 24VAC coil

Why Choose the Lovato BF4000A024 Contactor?

The Lovato BF4000A024 is a high-performance three-pole industrial contactor designed for efficient switching and control of electric motors and industrial loads. As part of the trusted Lovato BF series, this contactor is engineered for industrial automation systems, machinery panels and motor control applications where dependable switching performance and durability are essential.

Built with a robust electromagnetic system and industrial-grade contact materials, the BF4000A024 delivers excellent electrical endurance and reliable operation in demanding industrial environments. Its compact three-pole configuration without integrated auxiliary contacts makes it ideal for straightforward motor switching and power control duties.

With an AC-3 operational current rating of 40 A and a 24 V AC 50/60 Hz coil, the Lovato BF4000A024 is suitable for controlling three-phase motors, compressors, pumps, conveyors and industrial machinery. The unit supports both DIN rail and screw mounting, allowing flexible installation in industrial control panels and OEM automation systems.

Key Advantages

• Compact three-pole industrial contactor for motor control applications.
• 40 A AC-3 operational current suitable for demanding industrial loads.
• 24 V AC 50/60 Hz coil for industrial control systems.
• 3NO main contacts with compact design.
• Supports DIN rail and screw mounting.
• Reliable switching performance with long electrical and mechanical life.

Key Features

• Lovato BF series contactor.
• Three main normally open poles.
• 40 A AC-3 current rating.
• 18.5 kW motor rating at 400 V AC.
• 24 V AC coil voltage at 50/60 Hz.
• Compact design without integrated auxiliary contacts.
• DIN rail and panel mounting compatibility.
• Industrial-grade screw terminal connections.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: BF Series
• Model: BF4000A024
• Product type: Three-pole contactor
• Operational current AC-3: 40 A
• Operational power at 400 V AC: 18.5 kW
• Rated thermal current AC-1: 70 A
• Coil voltage: 24 V AC
• Coil frequency: 50 / 60 Hz
• Number of poles: 3
• Main contact configuration: 3NO
• Auxiliary contacts: None integrated
• Horsepower rating at 480 V: 30 HP
• Mounting type: Screw / DIN rail 35 mm
• Terminal type: Screw terminals
• Insulation voltage: 690 V
• Impulse withstand voltage: 6 kV
• Protection rating: IP20
• Mechanical life: approx. 20 million operations
• Dimensions (H × W × D): approx. 136 × 55 × 114.5 mm
• Weight: approx. 1.02 kg
• Operating temperature: approx. -50 to +70 °C
• Standards: IEC/EN/BS 60947-1, IEC/EN/BS 60947-4-1
• Protection and conformity: cULus, CCC, EAC compliant
• EAN: 8013975222706

Reliable Switching for Industrial Motor Control

Industrial contactors such as the Lovato BF4000A024 are designed to safely switch motors and high-current electrical loads in industrial environments. They enable automation systems and PLCs to control machinery remotely while maintaining dependable performance and electrical isolation.

The Lovato BF series is widely used by control panel builders and automation engineers because of its compact footprint, dependable switching characteristics and broad accessory compatibility. Overload relays, surge suppressors and auxiliary contacts can be added to create complete motor starter assemblies for industrial applications.

Typical Applications

• Industrial motor starters and control panels.
• Conveyors and material handling systems.
• Pumps, compressors and ventilation systems.
• Packaging and processing machinery.
• OEM machine building and automation systems.
• HVAC and industrial switching applications.

Trusted by Industrial Automation Professionals

Lovato BF series contactors are trusted worldwide by automation engineers, OEM manufacturers and control panel builders for reliable motor switching, compact installation and long operational life in demanding industrial applications.