Motor Starters
Motor Starter Autotransformers are crucial for the efficient and controlled starting of electric motors in various industrial applications. These autotransformers reduce the line voltage during the starting period, mitigating the high inrush currents and mechanical stress associated with motor startup. By offering three different voltage taps, they allow for a choice of starting currents and torques, tailored to specific load requirements.
Our medium-duty motor starters are designed to provide maximum starting acceleration and torque while addressing the major limitations of on-line starters—namely, high starting current and torque. These autotransformers ensure smooth and reliable motor startup, making them ideal for applications such as conveyor systems, pumps, compressors, and various types of machinery.
Motor starter autotransformers are offered as a Core & Coil assembly as standard, but can also be housed in an enclosure upon request to provide additional protection against environmental factors. Built to meet rigorous industry standards, our motor starter autotransformers combine simplicity and economy, delivering consistent and long-lasting performance. They are CSA certified and UL Recognized, ensuring they adhere to stringent quality and safety standards. Their robust construction and user-friendly design ensure easy installation and operation, even in demanding industrial environments.
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Showing 13–24 of 34 results
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RS75G1
Catalog No.:RS75G1
Motor StartersPhases: 3HP: 75Primary Voltage: 400Secondary Voltage: 50/65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$1,162.15 USD -
RS75C
Catalog No.:RS75C
Motor StartersPhases: 3HP: 75Primary Voltage: 240Secondary Voltage: 50/65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$1,162.15 USD -
RS50C
Catalog No.:RS50C
Motor StartersPhases: 3HP: 50Primary Voltage: 240Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$918.38 USD -
RS50B
Catalog No.:RS50B
Motor StartersPhases: 3HP: 50Primary Voltage: 208Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$918.38 USD -
RS40B
Catalog No.:RS40B
Motor StartersPhases: 3HP: 40Primary Voltage: 208Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$723.95 USD -
RS30F
Catalog No.:RS30F
Motor StartersPhases: 3HP: 30Primary Voltage: 380Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$681.97 USD -
RS20H
Catalog No.:RS20H
Motor StartersPhases: 3HP: 20Primary Voltage: 480Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$667.98 USD -
RS15J
Catalog No.:RS15J
Motor StartersPhases: 3HP: 15Primary Voltage: 600Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$639.99 USD -
RS15G1
Catalog No.:RS15G1
Motor StartersPhases: 3HP: 15Primary Voltage: 400Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$639.99 USD -
RS15G
Catalog No.:RS15G
Motor StartersPhases: 3HP: 15Primary Voltage: 416Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$639.99 USD -
RS10H
Catalog No.:RS10H
Motor StartersPhases: 3HP: 10Primary Voltage: 480Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$619.37 USD -
RS10G1
Catalog No.:RS10G1
Motor StartersPhases: 3HP: 10Primary Voltage: 400Secondary Voltage: 65/80/100%Conductor Material: CopperOut of stock
Current lead time 3-4 weeks
$619.37 USD
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