11B50040060 - 4P CONTACTOR B500.4.00 60V

Why Choose the 11B50040060?

Engineered for heavy-duty control, the Lovato B500 four-pole contactor (SKU 11B50040060) provides 700 A IEC AC1 capability and AC3 performance of 520 A/290 kW at 400 V. Its 60 VAC/DC AC/DC coil simplifies panel design and spares. Screw mounting ensures secure fitment, while Ui 1000 V and Uimp 8 kV ratings support dependable operation in demanding industrial switchgear and automation applications.

Built for endurance, this contactor offers a mechanical life of 5,000,000 cycles and reliable service from -50 to 70°C, up to 3000 m altitude, Pollution Degree 3. Terminal tightening torque is 35 Nm, and the unit weight is 2155 g. Conforms to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents, supporting compliance across global industrial panels.

Key Benefits

• 700 A IEC AC1 current rating for high-capacity resistive load switching.
• AC3 at 400 V: 520 A / 290 kW for motor control.
• 60 VAC/DC coil for flexible AC or DC control circuits.
• High dielectric performance: Ui 1000 V and Uimp 8 kV.
• Broad environmental range: -50 to 70°C, altitude up to 3000 m.
• Durable design with 5,000,000-cycle mechanical life.
• Screw mounting with 35 Nm terminal torque for secure connections.
• Complies with IEC/EN, UL, and CSA standards for panel certification.

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: 2155 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 11B50040060
• 60 VAC/DC coil integrated with the contactor
• Manufacturer datasheet (downloadable via product page)
• Basic installation and safety instructions

Applications

• High-current motor starters within AC3 rating at 400 V
• Resistive load switching up to 700 A AC1 duty
• Industrial automation panels and motor control centres requiring four-pole switching
• Power distribution and switching in heavy-duty process plants
• Pump, compressor, and fan control systems

Safety note: Only qualified personnel should install and service this contactor. Isolate all power sources, verify the 60 V coil specification, and tighten terminals to 35 Nm in accordance with IEC/EN 60947 and local regulations.