MILLER Xmt450 Mpa 400V Ce – MR907468

Miller XMT® 450 MPA – 400V CE Multi-Process Welder (MR907468)

The Miller XMT® 450 MPA 400V CE is a versatile, high-performance industrial multi-process welder engineered for heavy-duty applications. Built for professional welders and fabrication shops, this unit delivers consistent arc performance, superior control, and rugged reliability across a wide range of processes including TIG, Stick, MIG, Pulsed MIG, Flux-Cored, and Air Carbon Arc cutting and gouging.

Ideal for industries such as truck and trailer manufacturing, shipbuilding, repair shops, railroad, power generation, construction, and fabrication, the XMT 450 MPA provides precise welding power in a lightweight, portable package.

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Key Features & Benefits

Fan-On-Demand™

• Cooling system operates only when required

• Reduces noise, energy consumption, and airborne contaminants

Lift-Arc™

• TIG arc initiation without high-frequency

• Prevents tungsten contamination for cleaner welds

Wind Tunnel Technology™

• Protects electrical components and PC boards from dust and debris

• Extends machine life in harsh industrial environments

Inverter Arc Control Technology

• Superior puddle control for 6010 Stick electrodes

• Excellent MIG welding performance with consistent arc quality

Adaptive Hot Start™

• Automatically increases output amperage at arc start

• Eliminates electrode sticking for smooth weld initiation

Process Selector Switch

• Simplifies setup without reducing available features

• Quickly select TIG, Stick, MIG, Pulsed MIG, Flux-Cored, or Air Carbon Arc modes

Lightweight, Aerospace-Grade Aluminium Case

• Durable protection with reduced weight for portability

• Easy to transport on job sites or within workshops

Large Dual Digital Meters

• Clear, easy-to-read display

• Pre-set capabilities for accurate parameter control

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Industrial Applications

• Truck & Trailer Manufacturing

• Shipbuilding & Repair

• Maintenance Shops & Rental Fleets

• Railroad Welding

• Power Generation Facilities

• Fabrication & Construction Projects

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Welding Processes

• TIG (GTAW)

• Stick (SMAW)

• Pulsed MIG

• MIG (GMAW)

• Flux-Cored (FCAW)

• Air Carbon Arc Cutting & Gouging (CAC-A)

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Technical Specifications

• Input Power: 400V, 3 Phase

• Rated Output: 450A at 38 VDC, 100% Duty Cycle

• Voltage Range (CV Mode): 10 – 38 V

• Amperage Range (CC Mode): 15 – 600 A

• Maximum Open Circuit Voltage: 90 VDC

• Input at Rated Load (50/60Hz): 27.6 A / 22 kVA / 18.9 kW

• Dimensions (H × W × D): 438 × 368 × 689 mm

• Weight: 55.3 kg