11B4004L00220220 - 4P CONTACTOR 220/240V C/W LATCH 220VAC

Why Choose the 11B4004L00220220?

Designed for high‑demand switching, the Lovato B400 four‑pole contactor (SKU 11B4004L00220220) delivers 550 A AC1 performance with AC3 capability of 420 A/225 kW at 400 V. Its 220…240 VAC/DC coil and pre‑fitted G495 mechanical latch provide versatile control and maintained‑contact operation. A compact, screw‑mounted design makes panel integration straightforward while offering dependable switching for motors, power circuits and heavy industrial loads.

Built for resilience, this contactor offers 1000 V rated insulation and 8 kV impulse withstand, plus a 10,000,000‑cycle mechanical life. It operates from −50 to 70 °C and up to 3000 m altitude, supporting harsh sites. Compliance with IEC/EN 60947 and UL/CSA standards underpins reliability, while a 35 Nm terminal tightening torque and Pollution Degree 3 rating support secure, long‑term connections.

Key Benefits

• High AC1 current rating of 550 A for heavy-duty switching.
• AC3 420 A/225 kW at 400 V supports large motors.
• 220…240 VAC/DC coil enables flexible control supply options.
• Pre-fitted G495 mechanical latch provides maintained-contact functionality.
• Robust 8 kV impulse and 1000 V insulation for reliability.
• Wide operating range −50 to 70 °C, up to 3000 m altitude.
• Long mechanical life of 10,000,000 cycles reduces maintenance.
• Conforms to IEC/EN, UL and CSA standards for compliance.

Technical Specification

• Product type designation: B400
• Number of poles: 4
• 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: 1175 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 four‑pole contactor with pre‑fitted mechanical latch (G495).
• Integrated 220…240 VAC/DC coil, ready for control wiring.
• Installation and safety information from the manufacturer.

Applications

• High‑power motor starters for industrial machinery.
• Heavy-duty power switching in distribution panels.
• Pumps, compressors and HVAC plant control.
• Conveyors, crushers and process equipment switching.
• Switchboards requiring four‑pole isolation and control.

Safety note: Installation must be performed by qualified personnel. Isolate power before work, tighten terminals to 35 Nm, and operate within stated voltage, temperature and altitude limits.