Take on more projects with the most versatile multiprocess welder in its class. The Miller Multimatic 220 AC/DC gives you the freedom to weld MIG, flux-cored, AC/DC TIG, pulsed TIG, and stick — all from one compact, easy-to-use machine. Whether you’re working in the shop or out in the field, this all-in-one powerhouse delivers excellent arc quality using either 120V or 240V power.
Key Features
All-in-One Multiprocess Capability
- Weld MIG (GMAW), Flux-Cored (FCAW), AC/DC TIG (GTAW), Pulsed TIG (GTAW-P), and Stick (SMAW) with one machine.
- Handles a wide range of materials and thicknesses:
- MIG: 24 ga.–3/8" steel | 18 ga.–3/8" aluminum
- TIG: 24 ga.–1/4" steel and aluminum
- Stick: 16 ga.–3/8" steel
QuickTech™ for Effortless Setup
- Automatically determines polarity — no need to switch leads.
- Instantly switches between MIG and TIG; just pull the trigger or hit the foot control.
- Remembers your last process settings for seamless transitions.
Auto-Set™ Elite
- Simplifies setup with predefined parameters for all processes.
- Fine-tune weld settings by selecting wire/tungsten diameter and material thickness.
- Available for MIG, TIG, and Stick.
Pro-Set™ Fine Control
- Removes guesswork in manual mode.
- Preset parameters for AC Balance (75%), AC Frequency (120 Hz), and Stick DIG (30%).
- Easily adjust arc cleaning, cone width, pulse rate, and post-flow timing.
Dual-Gas Ready
- Two gas connections (MIG + TIG) let you keep both gases connected — no switching needed.
User-Friendly Design
- 3.5-inch color LCD with clear setup graphics and intuitive navigation.
- Robust, angled wire drive with Quick Select™ drive roll for fast wire changes.
- Compact and portable — just 56 lb (25.4 kg) with integrated handles.
Wide Range of TIG Adjustability
- AC Frequency – adjustable from 60–150 Hz to fine-tune arc width and focus.
- DC Pulse – adjustable from Off–150 pulses per second (PPS) for precise heat input.
- TIG Post-Flow – adjustable from Auto–25 seconds (via service menu).
- Supports Lift-Arc™ and high-frequency starts for clean, reliable arc initiation.
- Tungsten size selection for accurate setup and performance.
Performance & Power
| Process |
Input Power |
Rated Output |
Amperage Range |
| MIG (GMAW) |
120 V / 240 V |
105A @ 19.2V (60%) / 200A @ 24V (20%) |
30–230 A |
| TIG (GTAW) |
120 V / 240 V |
170A @ 21.5V (40%) / 130A @ 15.2V (40%) |
20–210 A |
| Stick (SMAW) |
120 V / 240 V |
210A @ 18.4V (20%) / 90A @ 23.6V (40%) |
30–200 A |
Input Power: 120/240 V, 1-phase, 50/60 Hz
Wire Feed Speed: 60–600 IPM
Dimensions (H x W x D): 17.5" x 11.25" x 21.5"
Included Accessories
- Power source with 6.5 ft. power cord & MVP™ plugs (120V & 240V)
- MDX™-100 MIG gun (10 ft.)
- Weldcraft™ A-150 (WP-17) TIG torch (12.5 ft.)
- Electrode holder with cable (13 ft.)
- Work clamp with cable (10 ft.)
- RFCS-14 HD foot control (20 ft.)
- Dual gas regulators and hoses (argon / AR-CO₂ mix)
- Hobart® .030" solid wire spool
- Extra contact tips and Quick Select™ drive roll
- AK2C TIG torch accessory kit
- Material thickness gauge, hook-and-loop cord wraps
- Shielding gas and safety gear not included.
Why Choose the Multimatic 220 AC/DC
- True multiprocess flexibility for steel, stainless, and aluminum
- QuickTech™ automation for fast process switching
- Auto-Set™ Elite and Pro-Set™ for perfect weld parameters every time
- Lightweight, portable, and shop-tough design
- Complete package — everything you need to start welding
SKU: 907757
Brand: Miller Electric
Weight: 56 lb. (25.4 kg)
Warranty: Miller True Blue® 3-Year Warranty
