11B400L00380380 - 3P CONTACTOR 380/415V C/W LATCH 380VAC

Why Choose the 11B400L00380380?

Lovato's B400 three-pole contactor (SKU 11B400L00380380) delivers heavy-duty switching with an AC-3 rating of 420 A (225 kW at 400 V) and AC-1 of 550 A. It features a 380-415 V AC/DC coil and comes factory-fitted with the G495 mechanical latch (latch supply 380-415 VAC) for maintained operation. Screw mounting simplifies panel integration and supports robust, reliable motor control.

Engineered for resilience, the B400 provides Ui 1000 V and Uimp 8 kV insulation performance, a mechanical life of 10,000,000 cycles, and terminals rated to 35 Nm. It operates from -50 to +70 degC, stores to -60 to +80 degC, and is suitable up to 3000 m altitude, Pollution Degree 3. Conformity: IEC/EN 60947-1/-4-1, UL 60947-1/-4-1, CSA C22.2.

Key Benefits

• High AC-3 current 420 A, 225 kW at 400 V.
• 380-415 VAC/DC coil for flexible control supply options.
• Factory-fitted G495 mechanical latch for maintained contact state.
• Robust insulation: Ui 1000 V and Uimp 8 kV.
• Operates from -50 degC to +70 degC ambient temperatures.
• Long mechanical life rated to 10,000,000 cycles.
• Complies with IEC/EN 60947-1/-4-1, UL and CSA.
• Secure screw mounting; terminals tighten to 35 Nm.

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: 1020 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 3-pole contactor (SKU 11B400L00380380)
• AC/DC coil rated 380-415 V, pre-installed
• Factory-fitted mechanical latch G495
• Installation and safety information

Applications

• AC-3 motor loads up to 420 A / 225 kW at 400 V.
• High-current switching and control in industrial panels.
• Installations with 380-415 V AC/DC control supply.
• Sites requiring IEC/EN 60947-1/-4-1 compliant equipment.
• Environments to Pollution Degree 3 and altitudes to 3000 m.

Safety note: Install and service only by qualified personnel. Isolate all power before work, tighten terminals to 35 Nm, and operate within the specified ratings and environmental limits in accordance with IEC/EN 60947 and local regulations.