BF09T4A400 Lovato contactor 4 pole AC3:9A 4.2kw 400vac coil

Why Choose the Lovato BF09T4A400 Four-Pole Contactor?

The Lovato BF09T4A400 is a compact and highly reliable four-pole industrial contactor designed for motor control and industrial switching applications. Manufactured by Lovato Electric, this contactor delivers dependable switching performance for automation systems, HVAC equipment, compressors, pumps and industrial machinery.

Part of the advanced Lovato BF series contactors, the BF09T4A400 features a robust four-pole configuration with a 400 V AC 50/60 Hz coil, making it suitable for industrial control circuits and automation panels requiring reliable switching operation. Its compact footprint and flexible mounting options simplify integration into modern control cabinets and OEM equipment.

With an AC-3 operational rating of 9 A / 4.2 kW at 400 V and an AC-1 thermal current rating of 25 A, this four-pole contactor is ideal for motor switching, resistive loads and industrial automation systems requiring reliable long-term performance.

Key Advantages

• Compact four-pole industrial contactor.
• 400 V AC 50/60 Hz coil for industrial control systems.
• 9 A AC-3 motor switching capability.
• 25 A AC-1 thermal current rating.
• Flexible DIN rail or screw mounting.
• Reliable switching performance for industrial automation.

Key Features

• Lovato BF series industrial contactor.
• 4 normally open poles (4 NO).
• 400 V AC coil voltage.
• 50/60 Hz operating frequency.
• 9 A AC-3 operational current.
• 4.2 kW motor switching at 400 V.
• 25 A AC-1 operational current.
• Compact industrial design for control panels.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: BF Contactors
• Model: BF09T4A400
• Product type: Four-pole contactor
• Pole configuration: 4 NO
• Number of poles: 4
• Coil type: AC coil 50/60 Hz
• Rated coil voltage: 400 V AC
• IEC operating current Ith (AC1): 25 A
• IEC operating current Ie (AC3) at 400 V: 9 A
• Motor power AC3 at 400 V: 4.2 kW
• UL/CSA horsepower rating at 480 V: 5 HP
• Mounting type: Screw mounting / DIN rail 35 mm
• Terminal type: Screw terminals
• Insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Operational frequency: 25-400 Hz
• Operating temperature: -50 °C to +70 °C
• Package dimensions: approx. 90 × 47 × 86 mm
• Weight: approx. 368 g
• Protection standards: IEC/EN/BS 60947-1, IEC/EN/BS 60947-4-1
• EAN: 8013975161371

Reliable Industrial Switching Performance

Industrial contactors such as the Lovato BF09T4A400 are designed to provide dependable switching of motors and electrical loads in automation systems. The BF series design allows reliable switching performance while maintaining compact dimensions for efficient panel layouts.

Its robust electrical ratings, industrial-grade construction and flexible mounting options make this contactor ideal for motor starters, HVAC systems, industrial pumps, compressors and OEM automation assemblies requiring reliable long-term operation. The unit also provides a long mechanical service life of up to 20 million operating cycles for demanding industrial environments.

Typical Applications

• Industrial motor control systems.
• OEM machinery and automation equipment.
• HVAC and ventilation systems.
• Industrial pumps and compressors.
• Control panels and switchboards.
• General industrial power switching.

Trusted by Industrial Automation Engineers

Lovato BF series contactors are trusted worldwide for compact industrial switching, dependable motor control performance and reliable integration into automation systems.