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 PE RESISTOR BANKS ARE BUILT FOR RELIABILITY & SAFETY

Features:

It is NOT advisable to use "open form" resistors on any variable speed drive.  Use of open form "off the shelf" resistors are a hazard to life and property when used with variable speed equipment.  High DC Voltages are present, which have the capability of being life threatening, even for a short period of time after the main power has been removed from a control panel.  Use PE resistor banks for highest reliability and safety.

Regeneration Resistors are a necessity on all horizontal motion (bridge/trolley/monorail) applied Variable Speed drives.  Regeneration resistors on PE drives are not required on the majority of hoist with Weston type style INTERNAL load brakes. This is another unique feature of PEI drives on hoist applications.  Smart-Move™ drives and the CX™ model size a2 and a2d have heavy duty resistor banks built in as one integrated drive solution.  For the larger systems, it is not feasible to place larger resistor wattages inside the electronic enclosure.  Hoists without internal mechanical load brakes will utilize a PEI VECTOR SYSTEM specially designed for no load brake style HOIST DUTY and use. 

UNIQUELY DESIGNED FOR CRANE DRIVES

Unlike all other drive types in the market place, the PE drive line has the unique feature of the ELECTRONIC portion of the regeneration circuitry built in and integrated into all standard drives, thus giving PE drives the highest reliability in overhead crane/hoist applications.  Also it makes for very simple and quick installation of the drive with no expensive electronics (regeneration or dynamic braking options) required.  All that is needed in addition to the drive, are the specially designed "touch safe" external PE regeneration resistor banks.