BF38T4A400 Lovato contactor 4 pole AC3:38A 18.5kw 400VAC coil

Why Choose the BF38T4A400?

Lovato’s BF38T4A400 is a robust four-pole contactor for dependable power switching. With an IEC AC-1 operating current of 56 A and AC-3 performance of 38 A/18.5 kW at 400 V, it suits demanding motor and resistive loads. The 400 V AC 50/60 Hz coil offers straightforward control integration, while flexible screw or 35 mm DIN rail mounting streamlines panel installation. SKU BF38T4A400.

Engineered to IEC/EN/BS 60947-1 and 60947-4-1, with UL and CSA equivalents, it delivers a 690 V insulation rating and 6 kV impulse withstand. Rated for -50 to 70 °C operation, up to 3000 m altitude, pollution degree 3, and 20,000,000 mechanical cycles, this BF38 series unit withstands harsh environments. A 30 HP rating at 480 V (UL/CSA) and 2.5–3 Nm terminal tightening torque support dependable, compliant installations. Sustainability certification included.

Key Benefits

• 56 A AC-1 rating ensures robust switching of resistive loads.
• 38 A/18.5 kW AC-3 at 400 V for reliable motor control.
• 400 V AC 50/60 Hz coil simplifies control circuit compatibility.
• Four poles provide versatile configuration for power and auxiliary circuits.
• Screw or 35 mm DIN rail mounting speeds panel integration.
• Withstands 6 kV impulses and offers 690 V insulation rating.
• Wide -50 to 70 °C operating range and 20,000,000-cycle mechanical life.

Technical Specification

• Product type designation: BF38
• Number of poles: 4
• Rated insulation voltage Ui (IEC/EN): 690 V
• Rated impulse withstand voltage Uimp: 6 kV
• Ith (IEC): 56 A
• Terminal tightening torque: 2.5 to 3 Nm
• Weight: 518 g
• Mechanical life: 20000000 cycles
• Operating temperature: -50 to 70 °C
• Storage temperature: -60 to 80 °C
• Max altitude: 3000 m
• Pollution degree: 3

What’s Included

• Lovato BF38T4A400 four-pole contactor unit
• 400 V AC 50/60 Hz coil pre-fitted
• Product datasheet/reference documentation
• Protective packaging for transit

Applications

• AC-3 motor starters up to 38 A / 18.5 kW at 400 V
• AC-1 resistive load switching up to 56 A
• Industrial control panels requiring 35 mm DIN rail mounting
• Pumps, fans, and compressors under UL/CSA 30 HP at 480 V
• General power switching in HVAC and process equipment

Safety note: Installation and maintenance must be by qualified personnel. Isolate power before work, tighten terminals to 2.5–3 Nm, and follow IEC/EN/BS 60947 and local regulations.