CAPACITOR DISCHARGE STUD WELDER MODEL: TWE 250 STUD WELDER DESCRIPTION INCORPORATES THE LATEST SOLID STATE TECHNOLOGY INTO A COMPACT AND RUGGED CD STUD WELDER. THIS SYSTEM HAS THE CAPACITY TO WELD STUDS AND PINS (INCLUDING CUPPED HEAD PINS) RANGING FROM 14?GAUGE THROUGH 1/4# FULL FLANGED STAINLESS STEEL STUDS. SPECS SIZE: 16′ LENGTH, 8-1/2′ WIDTH, 9′ HEIGHT WEIGHT: 28 LBS. WELD RANGE: 14 GAUGE THROUGH 1/4′ STAINLESS DUTY CYCLE: 30 STUDS PER MINUTE (INCLUDING 1/4′) PRIMARY POWER: 110 VAC @ 50/60HZ 10 AMP CIRCUIT OR 220V @50/60HZ 5 AMP CIRCUIT OPERATIONAL AND SAFETY FEATURES LED VOLTAGE METER # SAFETY SHUTDOWN # COOLING FAN # FRONT?PANEL INFORMATIONAL LED#S # DIAL?DOWN WELD VOLTAGE CONTROL MADE IN THE USA FEATURES # DIGITAL DC VOLTAGE READOUT ON ALL MODELS (ALLOWS FOR MORE ACCURATE AND REPEATABLE WELD SETTINGS). # COOLING FAN IN ALL MODELS FOR INCREASED EFFICIENCY. # DIAL?DOWN DC VOLTAGE SETTING (NO NEED TO TURN OFF THE UNIT WHEN RESETTING TO A LOWER VOLTAGE). # ONLY 10 AMP CIRCUIT REQUIREMENT (UNIT FUSED @ 10 AMPS). # 66,000 MICRO FARAD CAPACITORS CHARGING TO 200 VDC FOR GREATER POWER OUTPUT @ LOWER DC VOLTAGE REQUIREMENTS. # TERMINAL CONNECTIONS ON THE CAPACITORS ARE OVER 5/8# IN DIAMETER FOR A GOOD SEAT OF THE TERMINAL BUSS BARS TO INCREASE RELIABILITY. # THE TERMINAL CONNECTION