11B3100060 - 3P CONTACTOR B310.00 60V

Why Choose the 11B3100060?

Engineered for demanding motor control, the Lovato B310 three-pole contactor (SKU 11B3100060) combines a 60 V AC/DC coil with heavyweight switching capability. It delivers 320 A AC-3 at 400 V (170 kW) and an Ith of 450 A, with screw mounting for secure installation. With a rated insulation voltage Ui of 1000 V and 8 kV impulse withstand, it provides robust performance and meets IEC/EN, UL and CSA standards.

Built for reliability, the B310 offers 10,000,000 mechanical operations and dependable service from -50 to 70 °C, up to 3000 m, Pollution Degree 3. Terminals accept 35 Nm tightening torque for solid, reliable connections. With a UL/CSA rating of 250 HP at 480 V and sustainability certification, this contactor suits large motors and heavy industrial applications where consistent performance and long life are essential.

Key Benefits

• 320 A AC-3 at 400 V, 170 kW motor switching capacity.
• 60 V AC/DC coil supports flexible control supply options.
• 1000 V rated insulation with 8 kV impulse withstand.
• Wide operating temperature range from -50 to 70 °C.
• Mechanical life rated at 10,000,000 cycles for durability.
• UL/CSA 250 HP at 480 V for high-power motors.
• Screw mounting with 35 Nm terminal tightening torque.
• Suitable up to 3000 m altitude, Pollution Degree 3 environments.

Technical Specification

• Product type designation: B310
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 450 A
• Terminal tightening torque: 35 to 35 Nm
• Weight: 9490 g
• Mechanical life: 10000000 cycles
• Operating temperature: -50 to 70 °C
• Storage temperature: -60 to 80 °C
• Max altitude: 3000 m
• Pollution degree: 3

What’s Included

• Lovato B310 three-pole contactor (SKU 11B3100060).
• Integrated 60 V AC/DC coil.
• Manufacturer documentation and datasheet (downloadable).

Applications

• AC-3 motor starters up to 320 A at 400 V.
• High-power motor control up to 250 HP at 480 V.
• Industrial machinery, process lines and control panels.
• Fans, pumps and compressor drives in heavy-duty settings.

Safety note: Install and commission only by qualified personnel with power isolated. Observe the rated voltages, currents, torque and environmental limits, and comply with applicable standards.