11B500400220 - 4P CONTACTOR B500.4.00 220/240

Why Choose the 11B500400220?

Lovato B500 four‑pole contactor 11B500400220 delivers robust switching for heavy-duty AC applications. With IEC Ith (AC1) 700 A and AC3 performance at 400 V rated 520 A / 290 kW, it suits demanding loads. The universal AC/DC coil operates at 220…240 V, and screw mounting ensures secure installation. Rated insulation voltage is 1000 V with 8 kV impulse withstand, supporting dependable performance.

Engineered to perform from -50 to 70°C and up to 3000 m altitude, the B500 four-pole contactor achieves a mechanical life of 5,000,000 cycles. Terminals tighten to 35 Nm for reliable connections, and pollution degree 3 construction suits challenging sites. Conforms to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents. Weight is 2142 g, with secure screw mounting for straightforward panel integration.

Key Benefits

• High IEC Ith (AC1) 700 A for heavy-duty switching.
• AC3 at 400 V: 520 A / 290 kW motor control.
• Universal 220…240 V AC/DC coil simplifies control voltage selection.
• Rated Ui 1000 V and Uimp 8 kV for insulation robustness.
• Wide operating temperature -50 to 70°C for harsh environments.
• Mechanical life up to 5,000,000 cycles for long service.
• Standards compliance: IEC/EN, UL, and CSA approvals for global use.
• Secure screw mounting with 35 Nm terminal tightening torque.

Technical Specification

• Product type designation: B500
• Number of poles: 4
• 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: 2142 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 four-pole contactor (SKU 11B500400220)
• 220…240 V AC/DC coil fitted to the contactor
• Manufacturer documentation and safety information

Applications

• Heavy-duty AC1 resistive load switching up to 700 A
• Motor starting and control at 400 V AC3 applications
• Industrial panels requiring 220…240 V AC/DC coil control
• Installations at altitude up to 3000 m and harsh temperatures

Safety note: Install and service only by qualified personnel with power isolated. Tighten terminals to 35 Nm and follow IEC/EN 60947-1/-4-1. Observe pollution degree 3 and all stated temperature and altitude limits.