Industrial Motor Drives & Control Solutions
The reliable source for KB Electronics speed controls. Engineering-backed support, fast quoting, and technical resources.
Featured & Most Popular Products
Discover our most popular and top-performing motor drives and industrial controls.
Featured Products
Featured Categories
Expertly engineered motor drives and controls for every industrial application, built for performance and durability.
AC Drives
KB’s AC drives provide variable speed for 3ph AC Induction motors from 1/8 through 5 horsepower. For OEM applications, custom drives are also available for Brushless DC, PMSM, PSC, and Shaded Pole motors.
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DC Drives
KB standard off-the-shelf DC Drives provide variable speed for DC motors from sub-fractional to 5 horsepower. They are available in 115 and 208/230 VAC-50/60 Hz with 1Ø input.
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Triac Fan Controls
KB's off-the-shelf distributor style Fan Speed Controls cover the most popular voltages and current ranges. From 115/230 and 277 input voltages and extending from 2.5 amps and 20 amps in 30 models.
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OEM Products
KB’s AC drives provide variable speed for 3ph AC Induction motors from 1/8 through 5 horsepower. For OEM applications, custom drives are also available for Brushless DC, PMSM, PSC, and Shaded Pole motors.
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Speed Controls
Rugged controls designed for harsh environments. Reliable performance in extreme conditions.
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PWM Controls
Efficient pulse width modulation for quiet operation and precise motor speed regulation.
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Accessories & Parts
Fuses, heatsinks, signal isolators, and official KB replacement components.
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Obsolete Support
Technical guidance and modern drop-in replacements for discontinued models.
View Category →Why KB Controls?
Direct support and engineering guidance for every drive we sell.
Authentic products with full factory warranty.
Quick quoting and expedited shipping.
Part of the Nidec Family
As a partner of KB Electronics (a Nidec Brand), we provide deep technical resources from the world's leader in motor manufacturing.
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