BF4000A048 LOVATO 3P CONTACTOR 40A AC3 48VAC 50/60HZ

Why Choose the Lovato BF4000A048 BF Series Contactor?

The Lovato BF4000A048 is a reliable three-pole power contactor designed for motor control and load switching in industrial automation systems. As part of the Lovato BF series, it is built for dependable operation in control panels, machinery, HVAC equipment and general electrical switching applications.

This contactor provides a compact and robust solution for industrial motor control circuits, offering a rated operating current of 40 A in AC-3 duty and a motor power rating of 18.5 kW at 400 V AC. Its 3 normally open main contact configuration makes it suitable for switching three-phase motors and other compatible electrical loads.

With a 48 V AC 50/60 Hz coil, 70 A AC-1 thermal current rating and flexible screw or DIN rail mounting, the BF4000A048 is ideal for control panel builders, OEM machinery manufacturers and maintenance engineers requiring a dependable contactor for medium-duty motor control applications.

Key Advantages

• Reliable three-pole contactor for industrial motor control.
• 40 A AC-3 operating current suitable for medium-duty motor switching.
• 18.5 kW motor power rating at 400 V AC.
• 48 V AC 50/60 Hz coil for control circuit compatibility.
• 70 A AC-1 thermal current rating for resistive load applications.
• Suitable for DIN rail or screw mounting in control panels.
• Compact BF series design for machinery and automation systems.

Key Features

• Lovato BF series contactor.
• Three-pole contactor configuration.
• 3 normally open main contacts.
• 40 A rated operating current in AC-3 duty.
• 18.5 kW rated motor power at 400 V AC.
• 70 A rated thermal current in AC-1 duty.
• 48 V AC coil voltage.
• Frame clamp terminals for secure electrical connection.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: BF
• Model: BF4000A048
• Product type: Three-pole contactor
• Product type designation: BF40
• Number of poles: 3
• Main contacts: 3 normally open
• Rated operating current AC-3: 40 A
• Rated operating current AC-4 at 400 V: 24 A
• Rated motor power AC-3 at 400 V: 18.5 kW
• Rated thermal current AC-1: 70 A
• Coil type: AC coil 50/60 Hz
• Rated coil voltage: 48 V AC
• Connection type: Frame clamp / screw terminals
• Mounting type: 35 mm DIN rail or screw mounting
• Power terminal protection: IP20 front protection
• Operational frequency: 25-400 Hz
• Mechanical operating rate: up to 3600 cycles/hour
• Certifications: cULus, CCC
• 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. 141 × 63 × 120 mm
• Package volume: 1066 cm³
• EAN: 8013975222751
• HS code: 85365080

Reliable Switching for Industrial Motor Control

Contactors such as the Lovato BF4000A048 are used to switch electrical power to motors and other loads from a control circuit. In motor starter assemblies, they provide the main switching function required to start, stop and control three-phase equipment.

The BF4000A048 is designed for control panel applications where compact size, dependable switching and straightforward installation are important. Its 48 V AC coil, 40 A AC-3 rating and flexible mounting options make it suitable for machinery manufacturers, panel builders and maintenance teams working with industrial control systems.

Typical Applications

• Industrial motor starters.
• Pump, fan and compressor control panels.
• Conveyors and material handling systems.
• Manufacturing and process machinery.
• HVAC and building services motor control.
• 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 motor switching and load control in industrial applications.