11B14500110 Lovato b series 3 pole maxi contactor 150A 80kW 250A 110VAC/DC

Why Choose the 11B14500110?

Designed for demanding motor and power switching, the Lovato B145 three‑pole contactor delivers dependable AC‑3 performance at 150 A. Its universal 110–125 V AC/DC coil simplifies stocking and control integration, while screw mounting ensures straightforward installation. Fully aligned with IEC/EN 60947‑1 and 60947‑4‑1, this contactor suits industrial control panels seeking efficiency, reliability and compliance from a robust industrial device.

With 1000 V rated insulation (Ui) and 8 kV impulse withstand (Uimp), the B145 is built for harsh electrical environments. It offers 250 A Ith, a mechanical life of 10,000,000 cycles, and operates from −50 to 70 °C up to 3000 m altitude, pollution degree 3. Secure connections are supported by 18 Nm terminal torque, providing robust, long‑lasting performance in high‑duty service.

Key Benefits

• 150 A AC‑3 rating for reliable motor and power switching.
• Universal 110–125 V AC/DC coil reduces variants and simplifies control integration.
• High insulation: 1000 V Ui and 8 kV impulse withstand.
• Wide ambient range −50 to 70 °C for harsh environments.
• Long mechanical life of 10,000,000 cycles for reduced downtime.
• Screw mounting and 18 Nm terminal torque for secure installation.
• Compliant with IEC/EN, UL, and CSA standards for global acceptance.

Technical Specification

• Product type designation: B145
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 250 A
• Terminal tightening torque: 18 to 18 Nm
• Weight: 5420 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 B145 three‑pole contactor (SKU 11B14500110)
• Pre‑fitted AC/DC coil rated 110–125 V
• Downloadable manufacturer data sheet

Applications

• Motor starters and AC‑3 duty motor control
• Industrial control panels and automation cabinets
• HVAC, pumps, and compressor switching
• Conveyors, hoists, and material handling systems
• General power circuit switching up to installation limits

Safety note: Installation must be performed by qualified personnel. Isolate power before work, follow IEC/EN 60947 requirements, apply specified terminal torque, and observe stated ratings and environmental limits.