Why CD? A Cost Effective Solution Capacitive Discharge • 650 Volt, 1,000 Hz • 225 KVA @ 50% duty cycle • Secondary no load DC voltage of 13.0 & 17.5 volts • Thermostat protection • Secondary pick-up coil • Fully encapsulated to ensure long life • Water-cooled, 15 L.P.M. (4 G.P.M.) minimum @ 30°C • Weight: 50 kilograms (110 lbs)

TDC-7537 Secondary View

TDC-7537 Power Supply Rating Diagram and drawings on back.


Power Supply Rating Diagram Single Phase, Center Tap Rectifier. Size “6” Rectifier

TDC-7537 Primary View

Secondary Pads

Schematic Drawing

Notes • These curves are based on rated water flow of 15 L.P.M. (4 G.P.M.). • Maximum water in temperature of 30°C.

• For applications above a 20% duty cycle, contact RoMan Manufacturing ® for assistance. Rectifier Rating: % Duty Cycle is based on shortest time from beginning of one weld to the beginning of next weld. On time/(On + Off time). Transformer Rating: % Duty Cycle is total “On” time in one minute.

Grand Rapids, Michigan 616.530.8641 romanmfg.com

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