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Miller 951403 Dynasty 700 TIG Welder 208/230/400/460/575 Volt Dynasty 700 Power Source

SKU: 951403
Condition: New
Weight: 198.00 LBS
Shipping: Calculated at checkout

Product Description

Miller 951403 Dynasty 700 TIG Welder Machine measuring 34 1/2" X 13 3/4" X 22" features Auto-Line power management technology that allows input voltage hook-up in the range 208 V - 575 V without manual linking.

Welder features Fan-On-Demand cooling system to reduce noise, energy use and the amount of contaminants pulled through machine. It features Blue Lightning arc starter to provide consistent arc starts and to increase productivity. Welder features Lift-Arc starting that provides X-ray clean welds in AC as well as DC arc starting. Welder features Wind Tunnel Technology to protect internal electrical components from airborne contaminants, extending the product life. Welder have program memory that features nine independent program memories to maintain/save your parameters. It features auto postflow that calculates the length of postflow time based on the amount of cutting time to optimize consumable life. Stick features tailored arc control allows the arc characteristic for specific applications and electrodes. AC TIG features independent amplitude/amperage control that allows EP and EN amperages for precise control of heat input to the electrode and work. DC TIG features extraordinary smooth and precise arc for welding exotic materials. Welder works with 1/3 phase input and uses 50/60 Hz frequency to perform AC TIG, air carbon arc, DC TIG, pulsed TIG, stick, TIG, cutting and gouging. It includes RFCS-14 HD foot control, 25' Weldcraft WP18SC water-cooled torch, torch cable cover, AK18C torch accessory kit, H1954D-580 - Smith regulator/flow meter, gas hose, water-cooled thread lock torch adapter, 4 ga of pre-mixed low-conductivity coolant, 12' 4/0 weld lead with clamp and dinse connector. It has an output range of 5 A - 700 A ideal for precision metal fabrication, heavy fabrication, aerospace, aluminum ship repair, anodized aluminum fabrication, pipe and tube fabrication.


  • Advanced AC squarewave arc with AC waveshaping controls
  • AC Balance Control range of 30 - 99% EN allows precise cleaning control and prolonged tungsten life
  • AC frequency control range of 20 - 400 Hz provides control for a focused arc, resulting in better directional control to help produce desired arc/weld bead characteristics
  • Independent AC Amperage Control allows the EP and EN amperages to be set independently
  • Average AC Amperage Control adjusts the calculated average amperage, maintaining the established EN to EP amperage ratio, along with the established AC balance and frequency
  • Auto-Line Power Management Technology allows for any input voltage hook-up (208 - 575 V, 1 or 3 phase) with no manual linking, providing convenience in any job setting
  • NEW! Patented thread lock cable connectors and torch adapter (inset photo above) are designed for high-amperage applications and feature1/4-turn locking threads
  • Adjustable HF arc starting parameters - start amperage (A), start time and start polarity (EP/EN), optimize the arc start based on tungsten electrode diameter, material thickness and shielding gas
  • Program memory features 4 independent memory levels per process (AC/DC TIG and AC/DC Stick) with last procedure recall to maintain established parameters in each memory
  • Inverter based, power source has state of the art operator interface allowing the user maximum set-up capabilities. Features more precise control of output parameters than traditional knobs and switches
  • Fan-On-Demand operates only when needed - reducing noise, power consumption, and the amount of airborne contaminants pulled through the machine
  • HF arc starting provides non-contact arc starting that eliminates tungsten or material contamination
  • Lift-Arc start provides TIG arc starting without the use of high frequency
  • Built-in Pulser enhances weld bead control for improved appearance and quality. Reduces burn-thru, coordinates the addition of filler and reduces the warping effects of distortion by lowering the average welding amperage. High-speed pulsing capabilities can narrow the weld and heat-affect zone while increasing travel speeds
  • Built-in Sequence Control allows the entire weld sequence to be preset and controlled by the welding power source for greater accuracy and repeatability
  • Low OCV Stick reduces open circuit voltage to 10-15 VDC when power not in use
  • Superior arc performance even on difficult to run electrodes like E6010
  • 115 V auxiliary power provides 15 A of 115 V power to operate a Coolmate coolant system, grinder or other small power tool


  • Input Power: 208/230/400/460/575 Volts; 1 or 3 Phase; 50/60 Hz, Rated Output: 600 Amps; 44 Volts AC/DC, 60% Duty Cycle, Output Range: 5-700A AC/DC, Dimensions (H X W X D): 34.5" X 13.75" X 22", Net Weight: 198 lbs


  • Dynasty 700 power source
  • 8' primary power cord
  • Coolmate 3.5 coolant system
  • Coolant
  • Runner cart
  • Foot remote control
  • 400 A water cooled torch kit with 25' cable
  • Weldcraft WP18CS torch with thread lock
  • Regulator/flow meter
  • Gas hose
  • 20' 4/0 weld lead with clamp
  • Torch cable cover
  • AK18C torch accessory kit
  • Setup video and quick reference guide


  • Precision fabrication
  • Heavy fabrication
  • Pipe and tube fabrication
  • Aerospace
  • Aluminum ship repair
  • Anodized aluminum fabrication
  • Output AC Amps (Max) 700
  • Physical Size 34.5" X 13.75" X 22"
  • Input AC Voltage 208V, 230V, 400V, 460V, 575V
  • Hz 50/60 Hz
  • Weight 198 lb
  • Process AC TIG (GTAW), Air Carbon Arc (CAC-A) Cutting and Gouging, DC TIG (GTAW), Pulsed TIG (GTAW-P), Stick (SMAW), TIG (GTAW)
  • Output DC Amps (Max) 700
  • Output Current AC/DC - CC
  • Phase 1 or 3 Phase
  • Duty Cycle 450 A At 38 Volt At 60%, 600 Amps At 44 Volt At 60%
  • Trade Name Dynasty 700

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