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AC Drives

AC Drives (Variable Frequency Drives)

AC drives—also known as variable frequency drives (VFDs)—control motor speed and torque by adjusting output frequency and voltage. They improve energy efficiency, reduce mechanical wear, and enable precise motor control in industrial automation systems.

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Browse available refurbished AC drives below. These units are commonly used for maintenance replacement, system upgrades, and spare parts in industrial automation environments.

  • Siemens 4AM4642-8DD40-0FA0 Industrial Component (New Surplus)
    In Stock

    Siemens

    Siemens 4AM4642-8DD40-0FA0 Industrial Component (New Surplus)

    Product OverviewTechnical specifications for 4AM4642-8DD40-0FA0 Manufacturer Siemens Product Line SIDAC Part Number 4AM4642-8DD40-0FA0 UPC 754554766430 Weight 6.00 lbs (2.72 kg) Description Transformer Operating Apparent Power Rated Value 400 VA...

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  • Siemens 4AM4042-8DD40-0FA0 Transformer (New Surplus)
    In Stock

    Siemens

    Siemens 4AM4042-8DD40-0FA0 Transformer (New Surplus)

    Product OverviewTechnical specifications for 4AM4042-8DD40-0FA0 Manufacturer Siemens Product Type Transformer Product Line SIDAC Part Number 4AM4042-8DD40-0FA0 Weight 4.00 lbs (1.81 kg) Number of Input Phase Single-Phase Input Voltage 208 to 550 V...

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  • Siemens 6SE6440-2AD33-7EA1 Industrial Component (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6440-2AD33-7EA1 Industrial Component (New Surplus)

    Product OverviewTechnical specifications for 6SE6440-2AD33-7EA1 Manufacturer Siemens Product Line MICROMASTER Part Number 6SE6440-2AD33-7EA1 UPC 783087635944 Weight 10.00 lbs (4.54 kg) Product Inverter Drive Min. Voltage Rating 380 V Max. Voltage Rating...

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  • Siemens 6SE6440-2AD31-8DA1 Industrial Component (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6440-2AD31-8DA1 Industrial Component (New Surplus)

    Product OverviewTechnical specifications for 6SE6440-2AD31-8DA1 Manufacturer Siemens Product Line MICROMASTER Part Number 6SE6440-2AD31-8DA1 UPC 783087635913 Weight 7.63 lbs (3.46 kg) Name AC Drive Power Supply Input Voltage 380-480 V 3-phase AC Input...

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  • Siemens 6SE6440-2AB13-7AA1 Industrial Component (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6440-2AB13-7AA1 Industrial Component (New Surplus)

    Product OverviewTechnical specifications for 6SE6440-2AB13-7AA1 Manufacturer Siemens Product Line MICROMASTER Part Number 6SE6440-2AB13-7AA1 UPC 783087635562 Weight 0.94 lbs (0.43 kg) Product Inverter Drive Voltage 200-240 V AC Filter Built In Constant...

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  • Siemens 6SE6430-2UD33-0DA0 Industrial Component (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6430-2UD33-0DA0 Industrial Component (New Surplus)

    Product OverviewTechnical specifications for 6SE6430-2UD33-0DA0 Manufacturer Siemens Product Line MICROMASTER Part Number 6SE6430-2UD33-0DA0 UPC 783087661417 Weight 22.00 lbs (9.98 kg) Input Voltage 380–480V AC Phase Type 3-phase Output Power 30 kW...

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  • Siemens 6SE6400-4BE14-5CA0 Braking Resistor (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6400-4BE14-5CA0 Braking Resistor (New Surplus)

    Product OverviewTechnical specifications for 6SE6400-4BE14-5CA0 Manufacturer Siemens Product Type Braking Resistor Product Line MICROMASTER Part Number 6SE6400-4BE14-5CA0 UPC 783087655683 Weight 3.81 lbs (1.73 kg) Application Used with MICROMASTER 4...

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  • Siemens 6SE6400-4BC11-2BA0 Industrial Component (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6400-4BC11-2BA0 Industrial Component (New Surplus)

    Product OverviewTechnical specifications for 6SE6400-4BC11-2BA0 Manufacturer Siemens Product Line MICROMASTER Part Number 6SE6400-4BC11-2BA0 UPC 783087656024 Weight 1.69 lbs (0.77 kg) Storage Temperature -25°C to +70°C Operating Temperature -10°C to...

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  • Siemens 6SE6400-3TC03-2CD3 Industrial Component (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6400-3TC03-2CD3 Industrial Component (New Surplus)

    Product OverviewTechnical specifications for 6SE6400-3TC03-2CD3 Manufacturer Siemens Product Line MICROMASTER Part Number 6SE6400-3TC03-2CD3 UPC 783087725140 Weight 2.56 lbs (1.16 kg) Phase 3 Rated Current 26.00 A Power Loss 0.065 kW Power Connection...

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  • Siemens 6SE6400-3TC01-0BD3 Industrial Component (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6400-3TC01-0BD3 Industrial Component (New Surplus)

    Product OverviewTechnical specifications for 6SE6400-3TC01-0BD3 Manufacturer Siemens Product Line MICROMASTER Part Number 6SE6400-3TC01-0BD3 UPC 783087725263 Weight 1.56 lbs (0.71 kg) Product Output Reactor Minimum Input Voltage 200 V Maximum Input...

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  • Siemens 6SE6400-3CC11-2FD0 Line Reactor (New Surplus)
    In Stock

    Siemens

    Siemens 6SE6400-3CC11-2FD0 Line Reactor (New Surplus)

    Product OverviewTechnical specifications for 6SE6400-3CC11-2FD0 Manufacturer Siemens Product Type Line Reactor Product Line MICROMASTER Part Number 6SE6400-3CC11-2FD0 UPC 783087730151 Weight 55.00 lbs (24.95 kg) Rated Output Current 151 Amperes...

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