Our offices will be closed on Monday, May 28th in observance of Memorial Day
FedEx shipped orders placed before 6:00PM ET on Friday, May 25th will ship same day (if paid for by Credit Card or PO account in good standing & based on product availability). Orders placed after the Friday cutoff will ship on Tuesday, May 29th. Please see our Business Policies for earlier shipping cutoff times for drop-shipped items and shipping by other carriers.
Manuals for DURApulse - GS3 Braking Options (Braking Units & Resistors)
When a variable frequency drive decelerates an AC motor, especially one with a large inertial load attached, a braking resistor may be required to help dissipate the energy. GS3 DURApulse series AC drives 20 hp and above also require that dynamic braking units be used in conjunction with the appropriate braking resistors.