11B25000220 Lovato b series 3 pole maxi contactor 265A 140kW 350A 230VAC/DC

Why Choose the 11B25000220?

Lovato’s B250 three‑pole contactor (SKU 11B25000220) delivers dependable AC‑3 motor control at 265 A with a universal 220–240 VAC/DC coil. Designed for robust industrial switching, this contactor features screw mounting for secure installation and is built to IEC/EN 60947‑1 and 60947‑4‑1 standards. With a rated insulation voltage Ui of 1000 V and 8 kV impulse withstand, it provides reliable performance in demanding applications.

Engineered for longevity, the B250 boasts a mechanical life of up to 10,000,000 cycles and an Ith of 350 A. It operates from −50 to +70°C, stores from −60 to +80°C, and performs up to 3000 m altitude with pollution degree 3. Terminal connections accept a 35 Nm tightening torque, ensuring solid, low‑resistance joints for consistent service in control panels and machinery.

Key Benefits

• AC-3 265A rating for heavy-duty motor switching.
• Wide 220–240 VAC/DC coil simplifies spares and control design.
• Robust 3-pole B250 design with 1000 V insulation.
• High impulse withstand, 8 kV, for transient resilience.
• Extended -50 to 70°C operating temperature range.
• Long mechanical life, up to 10,000,000 cycles.
• Screw mounting with 35 Nm terminal tightening torque.
• Complies with IEC/EN, UL, CSA standards for global acceptance.

Technical Specification

• Product type designation: B250
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 350 A
• Terminal tightening torque: 35 to 35 Nm
• Weight: 9560 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 B250 three‑pole contactor, SKU 11B25000220
• Integrated 220–240 VAC/DC coil fitted
• Manufacturer datasheet available for download

Applications

• AC-3 motor starters for pumps, compressors and conveyors
• Industrial control panels requiring high-current switching
• HVAC and building services motor control centres
• Power distribution and isolation within machinery
• Harsh environments with wide operating temperatures

Safety note: Install and commission only by qualified personnel. Isolate power before work, observe the specified voltage, current and torque limits, and ensure environmental conditions match the rated temperatures and pollution degree.