Specifications

MedWeld 3000 Catalog Revision 8
July 2002
Sizing Circuit Breaker and Isolation Contactors..................................................................... 64
RULES FOR SELECTING CIRCUIT BREAKER FRAME SIZES...............................................................64
DISCLAIMER:............................................................................................................................64
ASSUMPTIONS: ........................................................................................................................64
PART 1: CIRCUIT BREAKER MINIMUM FRAME SIZE SELECTION GUIDE ...................................65
PART 2: MAGNETIC TRIP RANGE SELECTION.........................................................................66
RULES FOR SIZING ISOLATION CONTACTORS ...............................................................................67
DISCLAIMER:............................................................................................................................67
ASSUMPTIONS: ........................................................................................................................67
PART 1:CALCULATION OF AVERAGE CURRENT DRAW PER WELDING TRANSFORMER ..............68
PART 2: ISOLATION CONTACTOR CURRENT RATING SELECTION BASED ON TRANSFORMER
CONNECTION.......................................................................................................................69
Directory of Resources............................................................................................................ 71
WTC - Corporate Office .................................................................................................................71
WTC Automotive...........................................................................................................................71
WTC Canada.................................................................................................................................71
Technitron Industrial Division ........................................................................................................71
Industrial Technical Services Division .............................................................................................71
Quality..................................................................................................................................... 72
QS 9000 with TE Supplement ........................................................................................................72
Acknowledgements .......................................................................................................................72