11B400L00220220 - 3P CONTACTOR 220/240V C/W LATCH 220VAC

Why Choose the 11B400L00220220?

Lovato B400 three‑pole contactor (SKU 11B400L00220220) delivers dependable high‑power motor switching. It is rated 420 A AC‑3 at 400 V (225 kW) with 550 A Ith, and features an AC/DC control coil for 220…240 V. A factory‑fitted mechanical latch (G495) at 220…240 VAC provides maintained engagement. Screw mounting and 35 Nm terminal torque support secure, repeatable installations in demanding control panels.

Engineered for reliability, the B400 offers 1000 V rated insulation (Ui) and 8 kV impulse withstand (Uimp), backed by a 10,000,000‑cycle mechanical life. It operates from −50 to 70 °C and up to 3000 m altitude, pollution degree 3. Compliance includes IEC/EN 60947‑1/‑4‑1 and UL/CSA equivalents, with 350 HP at 480 V (UL/CSA) broadening application suitability.

Key Benefits

• 420 A AC-3 at 400 V (225 kW) motor switching.
• Universal 220–240 V AC/DC coil simplifies control integration.
• Factory‑fitted mechanical latch (G495), 220–240 VAC operation.
• High insulation: Ui 1000 V and Uimp 8 kV.
• Long service life: 10,000,000 mechanical operations.
• Wide operating range −50 to 70 °C; altitude to 3000 m.
• Secure installation via screw mounting; terminals torque to 35 Nm.
• Complies with IEC/EN and UL/CSA 60947 standards.

Technical Specification

• Product type designation: B400
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 550 A
• Terminal tightening torque: 35 to 35 Nm
• Weight: 1023 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 B400 three‑pole contactor, SKU 11B400L00220220.
• Factory‑fitted mechanical latch (G495), 220–240 VAC.
• Integrated 220–240 V AC/DC control coil.
• Manufacturer packaging and documentation, where supplied.

Applications

• AC‑3 motor starters up to 420 A at 400 V.
• High‑horsepower motor control to 350 HP at 480 V.
• Heavy‑duty pumps, compressors, conveyors and industrial drives.
• Power switching in harsh climates from −50 to 70 °C.
• Panels requiring 1000 V insulation and 8 kV impulse withstand.

Safety note: Install and commission only by qualified personnel. De‑energise before work and observe specified voltages, currents, torque, and environmental limits in accordance with applicable standards.