11B50000220 Lovato b series 3 pole maxi contactor 520A 290kW 700A 230VAC/DC

Why Choose the 11B50000220?

Engineered for high‑duty switching, the Lovato B500 three‑pole contactor delivers AC-3 performance up to 520 A at 400 V (290 kW) with a robust AC-1 thermal current of 700 A. Its universal 220–240 VAC/DC coil simplifies control wiring across systems, while screw mounting ensures straightforward installation. Designed for demanding motor control and power switching applications, it combines high current handling with dependable operation from a trusted manufacturer.

Built to endure, it offers 1,000 V rated insulation (Ui) and 8 kV impulse withstand (Uimp), mechanical life of 5,000,000 cycles, and reliable service from -50 to 70 °C. With Pollution Degree 3 and operation up to 3000 m altitude, the B500 meets IEC/EN 60947-1 and 60947-4-1 as well as UL and CSA standards, supporting safe, consistent performance in industrial panels.

Key Benefits

• AC‑3 rating 520 A at 400 V, up to 290 kW.
• AC‑1 thermal current 700 A for heavy‑duty loads.
• 220–240 VAC/DC coil offers flexible control supply options.
• Rated insulation 1000 V and 8 kV impulse withstand.
• Operates from -50 to 70 °C for harsh environments.
• Long mechanical life: 5,000,000 cycles reduces maintenance.
• Screw mounting with 35 Nm terminal tightening torque.
• Conforms to IEC/EN, UL and CSA controlgear standards.

Technical Specification

• Product type designation: B500
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 700 A
• Terminal tightening torque: 35 to 35 Nm
• Weight: 1808 g
• Mechanical life: 5000000 cycles
• Operating temperature: -50 to 70 °C
• Storage temperature: -60 to 80 °C
• Max altitude: 3000 m
• Pollution degree: 3

What’s Included

• Lovato B500 three‑pole contactor, 220–240 VAC/DC coil (SKU 11B50000220)
• Manufacturer product datasheet reference

Applications

• Heavy‑duty motor control up to 290 kW at 400 V AC‑3
• High‑current power switching in industrial distribution panels
• Pumps, compressors, conveyors and large mechanical drives
• OEM machinery controlgear requiring 220–240 VAC/DC coils
• Harsh‑environment installations within -50 to 70 °C range

Safety note: Installation and maintenance must be performed by qualified personnel. Isolate power before work, follow the manufacturer datasheet, and apply specified tightening torque to terminals.