BFK5000A110 - PFC CONTACTOR 40KVAR 110VAC 50/60HZ

Why Choose the BFK5000A110?

Lovato’s BFK5000A110 contactor for power factor correction with an AC control circuit delivers dependable capacitor switching at 400 V up to 40 kvar. This 3-pole unit features a 110 VAC 50/60 Hz coil and integrated limiting resistors to curb inrush. Flexible screw or 35 mm DIN rail mounting simplifies panel builds, making SKU BFK5000A110 a robust choice for low-voltage power factor correction stages.

Designed for durability and electrical resilience, the BFK50 series achieves a mechanical life of 15,000,000 cycles and carries Ui 690 V with Uimp 8 kV and Ith 90 A. Rated for service from -50 to 70 °C and up to 3000 m altitude, it conforms to IEC/EN/BS 60947-1 and 60947-4-1, plus UL and CSA standards, ensuring confidence in demanding UK industrial environments.

Key Benefits

• 40 kvar at 400 V for dependable power factor correction.
• 110 VAC 50/60 Hz coil suits standard AC control circuits.
• Integrated limiting resistors help reduce inrush during capacitor switching.
• 3-pole configuration for typical three-phase applications.
• Screw or 35 mm DIN rail mounting for fast installation.
• High ratings: Ui 690 V and Uimp 8 kV.
• Robust Ith 90 A with long 15,000,000-cycle mechanical life.
• Wide operating temperature range from -50 to 70 °C.

Technical Specification

• Product type designation: BFK50
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 690 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 90 A
• Terminal tightening torque: 4 to 5 Nm
• Weight: 1090 g
• Mechanical life: 15000000 cycles
• Operating temperature: -50 to 70 °C
• Storage temperature: -60 to 80 °C
• Max altitude: 3000 m
• Pollution degree: 3

What’s Included

• Lovato BFK5000A110 contactor (BFK50 series)
• Integrated limiting resistors
• Manufacturer datasheet (online)

Applications

• Switching capacitor banks for power factor correction
• 400 V PFC stages up to 40 kvar
• AC control circuit installations requiring a 110 VAC coil
• Industrial and commercial three-phase distribution panels

Safety note: Installation and maintenance must be performed by qualified personnel. Isolate power before work, and observe Ui, Uimp, pollution degree 3, temperature, and altitude ratings per the stated standards.