BFK1810A400 - 3P CONTACTOR 15KVAR 400V 50/60HZ

Why Choose the BFK1810A400?

Lovato BFK1810A400 is a contactor for power factor correction with AC control circuit, engineered for capacitor switching with integrated limiting resistors. This 3‑pole unit delivers 15kvar at 400V and features a 400VAC 50/60Hz coil. It includes a 1NO auxiliary contact and supports screw or 35mm DIN rail mounting for fast, reliable installation in compensation panels.

Part of the BFK18 series, this contactor offers robustness and long life, with 20,000,000 mechanical cycles and 32 A Ith. Rated Ui 690 V and Uimp 6 kV, it operates from -50 to 70 °C up to 3000 m altitude. Compliant with IEC/EN/BS 60947-1 and 60947-4-1, plus UL and CSA equivalents, supporting dependable power factor correction.

Key Benefits

• Integrated limiting resistors suited to capacitor switching.
• 15kvar at 400V for dependable power factor correction.
• 400VAC 50/60Hz coil for reliable AC control circuits.
• 3-pole configuration with built-in 1NO auxiliary contact.
• Flexible screw or 35mm DIN rail mounting options.
• High endurance: 20,000,000 mechanical cycles.
• Wide operating temperature range from -50 to 70 °C.

Technical Specification

• Product type designation: BFK18
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 690 V
• Rated impulse withstand voltage Uimp: 6 kV
• Ith (IEC): 32 A
• Terminal tightening torque: 1.5 to 1.8 Nm
• Weight: 428 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 BFK1810A400 contactor with integrated limiting resistors
• Pre-fitted 400VAC 50/60Hz coil
• Built-in 1NO auxiliary contact
• Installation and safety information

Applications

• Power factor correction capacitor banks at 400V
• Automatic power factor correction (APFC) panels
• Industrial and commercial reactive power compensation systems
• Electrical switchboards using AC control circuits

Safety note: Installation and maintenance must be performed by qualified personnel. Ensure capacitors are discharged, apply the specified terminal torque (1.5–1.8 Nm), and operate within the stated ratings and temperatures.