Miller Electric CST 280 User's Manual
Contents
1. CST 280 Industrial Applications Power Plant Construction Petrochemical Construction Maintenance and Repair Shipbuilding The Power of Blue Superior Stick arc performance even on the difficult to run electrodes like E6010 Adaptive Hot Start for Stick are starts automatically increases the output amperage at the start of a weld should the start require it Prevents the electrode from sticking and creating an inclusion Lift Arc start provides TIG arc starting without the use of high frequency Easy To Install with a new Switch on the outside of the package the machine can be changed between low and high input voltage ranges Also Since the switch is on the back input voltages can be changed without removal from inverter racks Processes Stick SMAW TIG GTAW Lift Arc Miller Electric Mfg Co An Illinois Tool Works Company 1635 West Spencer Street Appleton WI 54914 USA Issued Feb 2008 Index No DC 29 55 Stick TIG Welding Power Source Input Power Requires 3 or 1 Phase Power Amperage Range 5 280 A Max Open Circuit Voltage 79 V Weight 41 Ib 18 6 kg PRUE BLUE Power source is warranted for 3 years parts and labor Original main power rectified parts are warranted for 5 years International Headquarters Phone 920 735 4505 USA FAX 920 735 4134 Canadian FAX 920 735 4169 International FAX 920 735 4125 Optional 4 or 8 pack racks are available for multiple o2. 22 8 19 8 18 17 5 0 2 H 13 1 2 in 343 mm a 13 5 12 12 7 pep 7 1 2 in 191 mm D 18 in ala os 29 2 e ee Output ratings on 230 V single phase are reduced to comply with CSA current limitation on input power cable CSA approval 1P23M approval Control Panel 1 Output Light 2 On Off Switch 3 Weld Process Selector Switch 4 Overtemp Light 5 Amperage Adjustment Control 5 280 Amps PROCESS SELECT CST 280 AMP ADJUST MADE IN EIA n MILLER ELECTRIC MFG CO APPLETON WI W G7 ZB Performance Data DUTY CYCLE CHART 3 Phase Operation a VOLT AMP CURVE AT 150 AMPS Setpoint 1 Phase Operation 150 Amps OUTPUT AMPERES VOLTAGE DUTY CYCLE XX18 Stiff XX10 Soft AMPERAGE Genuine Miller Accessories TIG GTAW Torches Wii ELD Welder s Choe E CRAFT Weldcraft TIG Torches The Weldcraft line of TIG torches complements the most popular TIG power source line available today The Weldcraft torch line includes both air cooled and water cooled models Available with genuine Weldcraft parts WP 17V 12 2 150A 12 ft 3 7 m air cooled torch with valve two piece cable WP 17V 25 2 150 A 25 ft 7 6 m torch with valve two piece cable WP 26V 12 2 200A 12 ft 3 7 m air cooled torch with valve WP 26V 25 2 200A 25 ft 7 6 m air cooled torch with valve These two cable TIG torches require the installation of a Dinse Connector 0
3. female International style receptacle International Tweco Adapter 042 465 A one piece adapter which has an International style male plug to power source on one end and a female Tweco receptacle for weld cable connection on other end International Cam Lok Adapter 042 466 A one piece adapter which has an International style male plug to power source on one end and a Cam Lok receptacle for weld cable connection on other end Q Milter RHC 14 Hand Control 129 340 Miniature hand control for remote current and contactor control Dimensions 4 x 4 x 3 1 4 in 102 x 102 x 82 mm Includes 20 ft 6 m cord and 14 pin plug RFCS 14 HD Foot Control 194744 For all Miller solid state power sources after serial number JK674521 This new design increases stability with a larger base and durability with a heavier cord Maximum flexibility is accomplished with a reconfigurable cord that can exit the front back or either side of the pedal Foot pedal provides remote current and contactor control Includes 20 ft 6 m cord and 14 pin plug Note The remote controls provide amperage control only on the CST 280 no remote contactor control Tweco Dinse Adapter 195 116 A one piece adapter which has a Tweco style male plug to power source on one end and a female Dinse or International style receptacle for weld cable connection on other end Tweco Style Connector 50 mm 195 115 Accepts
4. 0 60 Hz CST 280 w Tweco style connectors 907 244 01 1 220 230 460 575 VAC 50 60 Hz CST 280 w Dinse style connectors 907 251 208 230 400 460 VAC 50 60 Hz CST 280 w Tweco style connectors 907 251 01 1 208 230 400 460 VAC 50 60 Hz Power Source Racks and Options CST 280 Rack w Dinse style connectors 907 245 CST 280 Rack w Tweco style connectors 907 247 CST 280 Rack w Tweco style connectors 907 365 Running gear optional Rack with 4 CST 280 220 230 460 575 VAC Includes 25 A fuses for 460 V Rack with 4 CST 280 220 230 460 575 VAC Includes 25 A fuses for 460 V Rack with 8 CST 280 220 230 460 575 VAC Includes 25 A fuses for 460 V Running Gear for Rack 195 114 For 4 Pack Rack 195 436 For 8 Pack Rack Fuse 199 795 30 amp fuse for 220 or 230 volt input Order 12 per 4 pack rack 212 541 20 amp fuse for 575 volt input Order 12 per 4 pack rack TIG Accessories Weldcraft TIG Torches See page 3 Remote Controls RHC 14 Remote Control 129 340 Remote current hand control RCC 14 151 086 Remote current side to side rotary control RCCS 14 043 688 Remote current up and down rotary control RFCS 14 043 554 Remote current foot pedal control RFCS 14 HD 194 744 Remote current foot pedal control with 20 ft 6 m cord and 14 pin plug Extension Cord for Remote Controls 122 973 20 ft 7 6 m 122 974 50 ft 15 2 m 122 975 75 ft 22 8 m Cable Connectors and Adapters International Sty
5. 1 or 2 AWG cable size Kit includes one Tweco style male plug which attaches to the work and or weld cables and plugs into the receptacle on the power source CST 280 Rack See Index No 0C 18 82 for additional information Shown with optional running gear m The rack provides a simple means of protecting and transporting welding power sources for construction power plant turn arounds and shipbuilding applications m The CST 280 Rack s low weight 340 Ib fully loaded enables use of elevators to move the rack m Top cover to protect the machines from m Lifting eye simplifies transportation using crane or overhead lifting device m One main disconnect box with fused circuit breaker switches for each machine Common output ground connection for same polarity use only CSTs can be paralleled for Air Carbon Arc cutting falling debris m Meets NEC requirements with appropriate fuses m Lift truck side and end fork pockets CST Rack Specifications Subject to change without notice Power Source input Powerto Rack Dimensions Net Weight CST 280 220 230 460 575 VAC 60 Hz H 50 3 4 in 1289 mm 355 Ib 3 Phase W 25 1 2 in 648 mm 161 kg D 26 1 2 in 673 mm H 50 3 4 in 1289 mm 640 Ib W 46 in 1165 mm 290 kg D 26 1 2 in 673 mm Orde Power Source and Options Stock No Description Qty Price CST 280 w Dinse style connectors 907 244 220 230 460 575 VAC 5
6. 42418 or Tweco Style Connector 195115 depending on the CST Model Connector Type Remote Controls RCC 14 Remote Contactor and Current Control 151086 14 pin plug side to side rotary motion fingertip control fastens to TIG torch using two Velcro Straps Includes 28 ft 8 5 m control cord Great for production or contractors that need quick ramp up RCCS 14 Remote Contactor and Current Control 043 688 Up and down rotary motion fingertip control fastens to TIG torch using two Velcro straps Includes 28 ft 8 5 m control cord Great for applications that require a finer amperage control RFCS 14 Foot Control 043 554 Foot pedal provides remote current and contactor control Includes 20 ft 6 m cord and 14 pin plug Cable Connectors and Adapters Note The Dinse version of the CST 280 includes one set of male connectors The tweco version does not International Style Connector 042 418 50 mm Accepts 1 or 2 AWG cable size Required if male plugs shipped with power source must be replaced or if additional plugs are needed Kit includes one International style male plug which attaches to the work and or weld cables and plugs into the International Style receptacles on the power source Extension Kit for International Style Cable Connectors 042 419 50mm Accepts 1 or 2 AWG size cable Used to adapt or extend weld and or work cables Kit includes one male International style plug and one in line
7. le Connector 042 418 50 mm Extension Kit for International Style 042 419 50 mm International Tweco Adapter 042 465 A one piece adapter with International style male plug International Cam Lok Adapter 042 466 A one piece adapter with International style male plug Tweco style Connectors Tweco style Connector 195 115 50 mm Adapter Tweco International 195 116 One piece adapter with Tweco style male connector and international style female connector Date Total Quoted Price The Dinse version of the CST 280 includes one set of male connectors The Tweco version does not Distributed by E Miller Litho in USA
8. perator applications These are commonly used in construction and shipyard applications All CST controls including the power switch are located on front of the machine for easy access Portable in the shop or at the job site at 41 Ib the CST 280 is easily moved from location to location Remote amperage control provided through 14 pin receptacle on front of the machine This permits use of standard remote amperage control devices Tweco or Dinse style connectors are available on the CST 280 6 ft power cable included MADE IN E Ie A APPLETON WI Wa AAA Web Site www MillerWelds com 130 9001 2000 REGISTERED QUALITY SYSTEM SPECHICATIONS subject to change without notice Description CST 280 220 230 460 575 Dinse CST 280 220 230 460 575 Tweco CST 280 208 230 400 460 Dinse CST 280 208 230 400 460 Tweco Welding l Welding Input Amperage Circuit Mode Power Rated Output Range Voltage 77 VDC Max Open 3 Phase 280 A at 31 2 V 35 Duty Cycle 200 A at 28 V 100 Duty Cycle 1 Phase 200 A at 28 V 50 Duty Cycle 150 A at 26 V 100 Duty Cycle 3 Phase 280 A at 31 2 V 35 Duty Cycle EN Aat 28 V 100 Duty EN 1 Phase ie A at 28 V 50 Duty ie 150 A at 26 V 100 Duty Cycle 5 200 A Amps Input at Rated Load Output 50 60 Hz 208V 220V 230V 400V 440V 460V 575V H 13 1 2 in 343 mm W 7 1 2 in 191 mm D 18 in 67 VDC 36 33
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