Piedmont Hoist supplies chain hoists, wire rope hoists, radio crane controls, overhead cranes, crane electrification products, below the hook devices, workstation cranes, crane certification and training.

Power Electronics is a world-class manufacturer of Smooth-Move® Soft-Start Units, and Micro-Speed® Variable Frequency Drives.  Our equipment is world renown for high reliability and quality. 

Power Electronics is also a manufacturer of UL and CUL approved control panel and automation systems. 

Since Power Electronics designs, engineers and manufactures all of its products in-house, we can respond to industry's requirements quickly and still maintain the same quality you have grown to expect from an industry leader.  

Micro-Speed Smart-Move 
Features: 

• Gang-Set™ Smart-Easy™ Instant Programming.
• Universal Auto-Detect™ self setting input.
• One control automatically sets to 208-230 VAC or 460 VAC range.
• Regeneration resistors are built in.
• High Quality faceplate covering electronics for high reliability & safety.
• Left & Right limit switch inputs (also programmable functions).
• Variable Speed A.C. output
• Three phase A.C. input
• Thermal overload input trips shown on display
• Charge light
• Brake contactor control
• Hardware is robust to withstand high vibration of overhead cranes.

• Available now from

208-230 VAC=1-30 HP (.75Kw-22Kw) 
385-415 VAC=1-75 HP (.75Kw-55Kw) 
480VAC=1-75 HP (.75Kw-55Kw) 
575 VAC=1-50 HP (.75Kw-37Kw) 
• Every unit up to 5 HP has Regeration Resistors already built in.
• High Quality faceplate covering electronics for high reliability & safety. 
• Gang-Set™  Programming--easy instant programming
• 1,2,3,4 or 5 speeds including Vari-Easy-Speed 2 and Vari-Easy-Speed 3 infinitely variable modes.  Each speed may be individually re-set to your needs.
• Potentiometer ready for "fingertip" precision.
• Left & Right limit switch inputs (also programmable functions). 
• Variable Speed A.C. output
• Three phase A.C. input
• Thermal overload input trips shown on display
• Charge light
• Brake contactor control
• N/O or N/C relay for signaling
• Integral control signal interface with on-board 115 VAC (or other) control signal inputs--no unreliable control voltage input boards required
• Large Display!  Tall LED anti-glare display can be seen from a distance.  Display frequency & 38 crane-specific adjustment parameters (if needed)
• Hardware is robust to withstand high vibration of overhead cranes

• UL and CUL approved 
• Takes the "kick" out of 3-phase motor starting
• Softly phase controls voltage to the motor
• Automatic Universal VAC selection
• 200, 208, 240, 385, 415, 440, 480 VAC in one unit
• 200 through 575 is also available
• Sizes up to 10 full load amps
• Phase loss protection on input
• Size of a small contactor
• Time and Torque settings for motor softness
• Arc-elimination on contactor make & break extends contactor life up to the mechanical limit
• Easy to install and run
• Use with reversing and non-reversing systems
• Saves $$$ on machinery life and productivity.