11B63000440 - 3P CONTACTOR B630.00 440-480V

Why Choose the 11B63000440?

Engineered for heavy-duty motor control, the Lovato B630 three‑pole contactor (SKU 11B63000440) delivers AC‑3 630 A at 400 V (355 kW) with AC‑1 Ith 800 A. Its universal AC/DC coil operates at 440–480 V, simplifying spares and panel design. Rated Ui 1000 V with 8 kV impulse withstand, this robust contactor ensures dependable switching performance in demanding industrial applications.

Designed for reliability, the B630 offers 5,000,000 mechanical cycles and operates from −50 to +70 °C, up to 3000 m altitude, Pollution Degree 3. Screw mounting and 55 Nm terminal tightening promote secure, low-resistance connections. Fully compliant with IEC/EN 60947‑1/‑4‑1 and UL/CSA equivalents, this contactor is a dependable choice for UK panels requiring high-current switching and straightforward installation.

Key Benefits

• AC-3 630 A at 400 V, suitable for heavy-duty motor switching.
• AC-1 Ith 800 A delivers robust capacity for resistive load control.
• Universal 440–480 V AC/DC coil simplifies spares and control voltage planning.
• Rated Ui 1000 V and Uimp 8 kV for enhanced insulation strength.
• Wide -50 to +70 °C operating range; performs up to 3000 m altitude.
• Screw mounting and 55 Nm terminal torque ensure secure cable terminations.
• Conforms to IEC/EN, UL and CSA standards for global panel compliance.

Technical Specification

• Product type designation: B630
• Number of poles: 3
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 800 A
• Terminal tightening torque: 55 to 55 Nm
• Weight: 1840 g
• Mechanical life: 5000000 cycles
• Operating temperature: -50 to 70 °C
• Storage temperature: -60 to 80 °C
• Max altitude: 3000 m
• Pollution degree: 3

What’s Included

• Lovato B630 three-pole contactor, SKU 11B63000440
• Integrated 440–480 V AC/DC coil, factory-fitted
• Screw terminal connections ready for panel mounting
• Manufacturer datasheet available via download

Applications

• Motor starters up to AC-3 630 A / 355 kW at 400 V
• Heavy industrial machinery, pumps, compressors and conveyors
• Switching resistive loads up to AC-1 Ith 800 A
• Power distribution, process control and large HVAC panels
• Enclosures rated for Pollution Degree 3 conditions

Safety note: Installation and maintenance must be performed by qualified personnel. Isolate all power before work, observe the stated environmental limits, and tighten terminals to 55 Nm to ensure safe operation.