11B18000380 Lovato b series 3 pole maxi contactor 185A 100kW 275A 400VAC/DC

Why Choose the 11B18000380?

Lovato’s B180 three‑pole contactor delivers dependable high‑capacity switching for industrial motor control and power circuits. Rated Ie (AC‑3) 185 A with a wide 380–415 V AC/DC coil, it combines flexibility with strength. Robust insulation performance (Ui 1000 V, Uimp 8 kV) and secure screw mounting make it a solid choice for demanding panels where durability, consistent performance and straightforward integration are essential.

Engineered for tough environments, the B180 offers a mechanical life of 10,000,000 cycles and operates from −50 to +70°C, up to 3000 m altitude, Pollution Degree 3. With Ith 275 A and 18 Nm terminal tightening torque, it ensures reliable connections and thermal capacity. It conforms to IEC/EN 60947‑1 and 60947‑4‑1, plus UL and CSA standards, supporting consistent performance and compliance.

Key Benefits

• High AC‑3 operational current rating of 185 A for heavy loads.
• Wide 380–415 V AC/DC coil for AC or DC control circuits.
• Robust insulation: Ui 1000 V and Uimp 8 kV withstand.
• Extended mechanical life up to 10,000,000 operating cycles.
• Reliable operation from −50 to +70°C and up to 3000 m altitude.
• Screw mounting with 18 Nm terminal tightening torque for secure connections.
• Thermal current Ith 275 A supports demanding duty.
• Conformity to 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: 5430 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 11B18000380
• Integrated AC/DC coil rated 380–415 V
• Downloadable manufacturer datasheet and conformity information

Applications

• AC‑3 motor switching for pumps, fans and compressors up to 185 A
• Industrial power panels and distribution switchboards
• Automation systems requiring 380–415 V AC/DC control coils
• HVAC, process and material handling equipment control
• Harsh‑environment installations within −50 to +70°C and 3000 m

Safety note: Install and commission only by qualified personnel. Isolate power before work, tighten terminals to 18 Nm, and follow the manufacturer datasheet and IEC/EN 60947 requirements for protection and coordination.