11B18000440 - 3P CONTACTOR B180.00 440/480V

Why Choose the 11B18000440?

Built for demanding motor control, the Lovato B180 three‑pole contactor (SKU 11B18000440) delivers dependable AC‑3 performance with Ie 185A. Its universal AC/DC coil operates at 440–480VAC/DC, simplifying panel design across mixed supplies. With 1000V rated insulation (Ui) and 8kV impulse withstand (Uimp), this rugged contactor offers robust electrical capability in compact form and secure screw mounting.

Engineered for endurance, the B180 contactor achieves 10,000,000 mechanical cycles and operates from −50°C to 70°C, up to 3000 m altitude. It features Ith 275A, Pollution Degree 3 suitability and 18 Nm terminal tightening torque. Fully compliant with IEC/EN 60947‑1 and 60947‑4‑1, plus UL and CSA equivalents, it aligns with sustainability certification across Lovato’s Contactors range.

Key Benefits

• AC‑3 Ie 185A for reliable motor‑duty switching and heavy loads.
• Universal 440–480VAC/DC coil accepts AC or DC control supplies.
• High dielectric strength: Ui 1000V and Uimp 8kV for resilience.
• Wide operating temperature −50°C to 70°C for harsh environments.
• Long mechanical life of 10,000,000 cycles reduces maintenance.
• Robust screw mounting with 18 Nm terminal tightening for secure connections.
• Conforms to IEC/EN, UL and CSA standards for assured compliance.

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: 5339 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, AC/DC coil 440–480VAC/DC (SKU 11B18000440)
• Integrated screw mounting and terminals for secure installation
• Downloadable manufacturer datasheet via product page

Applications

• Industrial motor control under AC‑3 duty up to Ie 185A
• High‑duty automation panels requiring durable three‑pole contactors
• Equipment operating from −50°C to 70°C or at altitude to 3000 m
• Installations requiring compliance with IEC/EN 60947‑4‑1 standards
• Systems needing AC or DC coil control at 440–480VAC/DC

Safety note: Installation must be performed by competent personnel. Isolate all power before work, apply the specified 18 Nm terminal torque, and operate within the stated environmental limits and standards.