BF12T4A400 Lovato contactor 4 pole AC3:12A 5.7kw 400vac coil

Why Choose the Lovato BF12T4A400 Four-Pole Contactor?

The Lovato BF12T4A400 is a compact and dependable four-pole industrial contactor engineered for switching motors and industrial electrical loads in automation, HVAC and power control applications. Part of the trusted Lovato BF series, this contactor combines reliable switching performance with compact panel integration for modern industrial control systems.

This model features a 400 V AC 50/60 Hz control coil together with 4 normally open power contacts, making it suitable for industrial machinery, pumps, compressors, ventilation systems and OEM electrical panels. Its robust design and high electrical endurance ensure reliable operation in demanding industrial environments.

With an AC-3 operational current rating of 12 A and an AC1 thermal current rating of 28 A, the BF12T4A400 provides efficient motor switching performance while maintaining compatibility with DIN rail and screw mounting systems.

Key Advantages

• Compact 4-pole industrial contactor for automation systems.
• 400 V AC coil voltage for industrial control circuits.
• 4 NO contact configuration for flexible load switching.
• 12 A AC-3 operational rating for motor control duties.
• DIN rail and screw mounting flexibility.
• Reliable long-life operation for industrial applications.

Key Features

• Lovato BF series industrial contactor.
• Four-pole configuration.
• 4 normally open contacts.
• 400 V AC 50/60 Hz control coil.
• 28 A AC1 rated thermal current.
• 12 A AC-3 operational current at 400 V.
• Suitable for DIN rail or screw mounting.
• Compatible with auxiliary contact accessories.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: BF Contactors
• Model: BF12T4A400
• Product type: Four-pole contactor
• Number of poles: 4
• Contact configuration: 4 NO
• Control coil voltage: 400 V AC 50/60 Hz
• AC1 thermal current (Ith): 28 A
• AC-3 operational current: 12 A
• Motor power rating: approx. 5.5 to 5.7 kW at 400 V AC
• Mounting type: DIN rail 35 mm / screw mounting
• Terminal type: Screw terminals
• Insulation voltage: 690 V
• Operating frequency: 50 / 60 Hz
• Operating temperature: approx. -50 °C to +70 °C
• Standards: IEC / EN 60947-1, IEC / EN 60947-4-1
• Dimensions: approx. 81 × 45 × 81 mm
• Weight: approx. 360 g

Reliable Industrial Switching Performance

Industrial contactors such as the Lovato BF12T4A400 are designed to safely switch high-current loads using low-power control signals. They are widely used in motor starter assemblies, machinery control panels and industrial automation systems where reliable remote switching is required.

The Lovato BF range combines compact dimensions with durable industrial construction, allowing efficient installation while maintaining long-term operational reliability in demanding industrial environments.

Typical Applications

• Industrial motor starters.
• HVAC and refrigeration systems.
• Pump and compressor control.
• Industrial conveyors and machinery.
• Automation and OEM control panels.
• General-purpose industrial switching applications.

Trusted by Industrial Automation Engineers

Lovato BF series contactors are widely trusted by machine builders and panel manufacturers for reliable switching performance, compact dimensions and dependable industrial operation.