11B1800024 Lovato b series 3 pole maxi contactor 185A 100kW 275A 24VAC/DC

Why Choose the 11B1800024?

Designed for demanding motor control, the Lovato B180 three-pole contactor (SKU 11B1800024) delivers IEC AC-3 185 A performance with a universal 24 VAC/DC coil. Built to IEC/EN 60947-1 and 60947-4-1, it offers Ui 1000 V and Uimp 8 kV, with Ith 275 A. Screw mounting and rugged construction ensure dependable switching in industrial panels and automation systems.

Engineered for longevity, this contactor achieves up to 10,000,000 mechanical cycles and operates from -50 to 70 °C, at altitudes up to 3000 m, Pollution Degree 3. Terminals support 18 Nm tightening for secure connections. With UL and CSA conformity and a sustainability certification, the 5,450 g B180 is a robust choice for reliable switching in harsh, temperature-variable environments.

Key Benefits

• AC-3 185 A three-pole performance for heavy-duty motor switching.
• Universal 24 VAC/DC coil simplifies spares, control wiring, and stockholding.
• High insulation and impulse withstand: Ui 1000 V, Uimp 8 kV.
• Wide -50 to 70 °C operating range for harsh environments.
• Long mechanical life rated to 10,000,000 operating cycles.
• Screw mounting and 18 Nm terminal tightening for secure connections.
• Complies with IEC/EN, UL, and CSA standards for global acceptance.

Technical Specification

• Product type designation: B180
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 275 A
• Terminal tightening torque: 18 to 18 Nm
• Weight: 5450 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 B180 three-pole contactor, SKU 11B1800024, 24 VAC/DC coil
• Screw-mountable contactor body with terminal connections
• Manufacturer product datasheet (PDF) available online

Applications

• Motor starters and contactor duty in industrial machinery
• Pumps, compressors, conveyors, and fan switching
• HVAC, heating, and ventilation plant control
• Power distribution and automation panel switching

Safety note: Install and commission only by qualified personnel. Isolate power before work, use appropriate PPE, and tighten terminals to the specified 18 Nm. Observe the stated ratings, temperatures, and standards during operation.