11B63040048 - 4P CONTACTOR B630.4.00 48V

Why Choose the 11B63040048?

The Lovato B630 four‑pole contactor (SKU 11B63040048) delivers high‑capacity switching for demanding installations. With an IEC AC1 Ith of 800 A and AC3 performance of 630 A / 355 kW at 400 V, it suits heavy motor and resistive loads. A universal 48 VAC/DC coil simplifies control integration, while screw mounting ensures secure installation. Rated insulation voltage is 1000 V with 8 kV impulse withstand for robust dielectric strength.

Built for longevity, the B630 offers 5,000,000 mechanical cycles and operates from −50 to +70 °C up to 3000 m altitude. Terminals tighten to 55 Nm for dependable connections. Conformity to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents, supports global panel standards. With pollution degree 3 and a 2.192 kg weight, this Lovato contactor is ready for reliable service in industrial control and power distribution.

Key Benefits

• High current capacity: 800 A Ith (AC1) for heavy-duty switching.
• Strong motor control: 630 A/355 kW AC3 at 400 V.
• Universal 48 VAC/DC coil simplifies control circuit design.
• Robust insulation: 1000 V Ui and 8 kV impulse withstand.
• Extended life: 5,000,000 mechanical cycles for long-term reliability.
• Wide operating temperature −50 to +70 °C; altitude up to 3000 m.
• Secure screw mounting; terminals tighten to 55 Nm.
• Complies with IEC/EN, UL, and CSA standards.

Technical Specification

• Product type designation: B630
• Number of poles: 4
• 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: 2192 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 four‑pole contactor, SKU 11B63040048
• Integrated 48 VAC/DC coil (rated 48 V)
• Downloadable product datasheet and technical information
• Manufacturer installation and safety guidelines

Applications

• AC-3 motor control at 400 V up to 630 A/355 kW
• Resistive load switching (AC1) up to 800 A
• Industrial control panels and switchboards
• Power control in distribution systems within rated limits
• Installations at altitude up to 3000 m and pollution degree 3

Safety note: Installation and servicing must be performed by qualified personnel. Always isolate power before work and follow IEC/EN 60947 requirements and the manufacturer’s instructions.