BF1810A048 - 3P CONTACTOR 1NO 18A AC3 48/50-60

Why Choose the BF1810A048?

The Lovato BF1810A048 three-pole contactor delivers dependable switching for AC-3 loads up to 18A at 400V, with a 48VAC 50/60Hz coil and a built-in 1NO auxiliary contact. Rated 32A in AC-1, it mounts easily on 35mm DIN rail or with screws. Designed for industrial control panels, this compact BF1810A048 supports robust motor and load control while meeting rigorous international standards.

Engineered to endure demanding environments, the BF18 range offers Ui 690V and Uimp 6kV insulation strength, with a mechanical life of 20,000,000 cycles. It operates from -50 to +70 °C, up to 3000 m altitude, Pollution Degree 3. Terminals tighten to 1.5 to 1.8 Nm for secure connections. Backed by IEC/EN/BS and UL/CSA approvals, this 362 g device integrates seamlessly into compliant UK installations.

Key Benefits

• Reliable 3-pole switching for AC-3 loads up to 18A at 400V.
• 48VAC 50/60Hz coil suits standard control circuits and panel supplies.
• Integrated 1NO auxiliary contact for straightforward signalling and interlocks.
• Dual mounting options: screw fixings or 35 mm DIN rail.
• High endurance with 20,000,000 mechanical operations for long service life.
• Robust insulation: Ui 690 V and Uimp 6 kV withstand surges.
• Wide operating temperature range from -50 to +70 °C.

Technical Specification

• Product type designation: BF18
• 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: 362 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 BF1810A048 three-pole contactor
• Integrated 1NO auxiliary contact
• Mounting and wiring instructions
• Manufacturer datasheet

Applications

• Motor starters up to 7.5 kW at 400 V (AC-3)
• HVAC fan and compressor control circuits
• Pumps, conveyors and general machine switching
• Resistive and heating loads under AC-1 up to 32 A
• Control panels using 48 VAC coil supplies

Safety note: Install and commission only by qualified personnel. Isolate power before wiring, observe the specified ratings and temperatures, and tighten terminals to 1.5 to 1.8 Nm for safe operation.