Miller Maxstar 400 TIG Welder Hire | 400A Inverter Welder Rental with Adlington Group
The Miller Maxstar 400 TIG Welder is a powerful inverter welder delivering up to 400 A DC output, suited for applications ranging from thin materials to heavy-duty steel welding. It accepts both single-phase and three-phase inputs (208–600 V) thanks to Auto-Line™ technology, ensuring reliable performance under varied site conditions. Advanced features include high-speed pulse TIG, QuietPulse™ waveform, Pro-Set™ for easy parameter setup, and robust stick welding with DIG and hot-start controls. Weighing about 57 kg and compactly built at 352 × 613 × 618 mm, it is portable with lift points and optional trolley/cooler packages. With a 75 V OCV for stable arc starting and a 3-year warranty, the Maxstar 400 is ideal for industrial, fabrication, marine, and hire fleet use.
Key Features & Benefits
-
High Welding Current Output – delivers a wide range from 3 to 400 A DC, handling thin materials through to heavy plate.
-
Flexible Input Power – supports both single-phase and three-phase input (208–600 V) with Auto-Line™ technology for automatic voltage detection.
-
Advanced Pulse & Control Features – includes high-speed DC TIG pulse, QuietPulse™ waveform, program memory, and Pro-Set™ for simplified parameter selection.
-
Stick / MMA Capability – supports stick welding with DIG arc control and hot-start functions, adding versatility.
-
Compact & Portable – weighs around 57 kg with dimensions of approx. 352 × 613 × 618 mm, complete with lift eye and optional TIGRunner cart with cooler.
-
Warranty & Safety – backed by a 3-year True Blue warranty, 75 V OCV for reliable arc starts, and multiple safety features.
Technical Specifications
| Spec | Detail |
|---|---|
| Welding Current Range (DC) | 3 – 400 A |
| Rated Output | 300 A @ 32 V (60% duty) |
| Open Circuit Voltage | 75 V DC |
| Input Voltage | 208–600 V, single & three-phase |
| Duty Cycle | 300 A @ 60%; 250 A @ 100% |
| Dimensions (W × H × D) | 352 × 613 × 618 mm |
| Net Weight | 57 kg |
| Warranty | 3 years (True Blue) |
Applications / Use Cases
-
Precision TIG welding for steel, stainless steel and alloy materials
-
Fabrication workshops requiring TIG and MMA welding versatility
-
Industrial and construction projects demanding high output and clean welds
-
Offshore, marine, or heavy maintenance where reliability is essential
-
Hire projects where varied input power conditions exist
Why Choose Adlington Group for Welder Generator Hire
-
Fast delivery and professional setup nationwide
-
Flexible hire terms: daily, weekly, or long-term rental
-
Fully maintained and safety-checked units before hire
-
Transparent, all-inclusive pricing with no hidden costs
-
Optional extras: water cooler, TIG torch kit, remote foot pedal
You may also like…
Send Your Hire Enquiry
Call us now +44 (0) 1257 279364
