BF330T4E400 LOVATO MAXI 4P CONTACTOR 500A AC1 250-500VAC/DC

Why Choose the Lovato BF330T4E400 BF Series Four-Pole Contactor?

The Lovato BF330T4E400 is a high-performance four-pole power contactor designed for reliable switching of high-current electrical loads in industrial control systems. As part of the Lovato BF series, it is built for demanding automation, machinery and panel-building applications where dependable contactor operation is essential.

This contactor provides a robust solution for heavy-duty switching circuits, offering a rated thermal current of 500 A in AC-1 duty and an AC-3 operating current of 330 A. Its four-pole configuration makes it suitable for applications requiring multi-pole switching, including resistive loads, distribution circuits and selected motor control installations.

With a 250-500 V AC/DC electronic coil, 1000 V rated insulation voltage and screw terminal connection, the BF330T4E400 is ideal for industrial switchgear, control panels, automation systems and high-current load switching. Its wide-range AC/DC coil helps simplify installation and supports flexible control circuit design.

Key Advantages

• Heavy-duty four-pole contactor for industrial power switching.
• 500 A AC-1 thermal current rating for high-current load applications.
• 330 A AC-3 operating current suitable for demanding motor control duties.
• 160 kW motor power rating at 400 V AC in AC-3 duty.
• Wide-range 250-500 V AC/DC electronic coil.
• 1000 V rated insulation voltage for industrial electrical systems.
• Screw terminal connection for secure high-current wiring.

Key Features

• Lovato BF series power contactor.
• Four-pole contactor configuration.
• 500 A rated thermal current in AC-1 duty.
• 330 A rated operating current in AC-3 duty.
• 160 kW rated motor power at 400 V AC.
• AC/DC wide-range electronic coil.
• 250-500 V AC/DC control voltage.
• Designed for screw mounting and screw terminal connection.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: BF
• Model: BF330T4E400
• Product type: Four-pole power contactor
• Product type designation: BF330
• Number of poles: 4
• Main contacts: 4 normally open main contacts
• Rated thermal current AC-1: 500 A
• Rated operating current AC-3: 330 A
• Rated motor power AC-3 at 400 V: 160 kW
• Rated insulation voltage: 1000 V
• Rated impulse withstand voltage: 8 kV
• Operational frequency: 25-400 Hz
• Coil type: AC/DC electronic coil
• Rated coil voltage: 250-500 V AC/DC
• UL/CSA horsepower rating at 480 V: 250 HP
• Mounting type: Screw mounting
• Connection type: Screw connection
• Power terminal protection: IP00
• Operating temperature: -40 to +70 °C
• Storage temperature: -50 to +80 °C
• Maximum altitude: 3000 m
• Mechanical life: 5,000,000 cycles
• Certifications: cULus
• Standards: IEC/EN/BS 60947-1, IEC/EN/BS 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 n° 60947-1, CSA C22.2 n° 60947-4-1
• Package quantity: 1
• Package dimensions: approx. 276 × 235 × 245 mm
• Package volume: 15890 cm³
• Weight: approx. 6.135 kg
• EAN: 8013975312674
• HS code: 85365080

Reliable Switching for High-Current Control Systems

Contactors such as the Lovato BF330T4E400 are used to switch electrical power to high-current loads from a control circuit. In industrial switchgear and automation panels, they provide dependable switching for motors, resistive loads and multi-pole electrical circuits.

The BF330T4E400 is designed for demanding applications where high current capacity, four-pole switching and flexible control voltage compatibility are important. Its wide-range AC/DC coil and robust BF series construction make it suitable for machinery manufacturers, control panel builders and maintenance teams working with high-power electrical systems.

Typical Applications

• Industrial power switching panels.
• High-current resistive load control.
• Large motor starter assemblies.
• Pump, fan and compressor control systems.
• Manufacturing and process machinery.
• HVAC and building services control panels.
• OEM machinery and automation systems.
• Panel building and electrical maintenance installations.

Trusted by Industrial Control Professionals

Lovato BF series contactors are used by panel builders, automation engineers and maintenance professionals to provide reliable switching and high-current control in demanding industrial applications.