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Hobart H100S4 air-cooled MIG gun 10ft straight handle rotatable 60° neck .030-.035 wire

Hobart Welders

Hobart Welders 284546 H100S4 MIG Gun 10ft .030-.035 Wire

SKU CH-5QYB-JPB8Q MPN 284546

Air-cooled MIG gun rated at 100 A with a 10 ft cable for .030-.035 in wire

  • Product typeWelding Parts & Supplies
  • Air-cooled design runs cooler during extended jobs
  • 100 A capacity at 100 % duty cycle handles heavy output
  • Rotatable 60° neck tube improves torch positioning
  • Accepts .030-.035 in flux-cored and solid wire
  • 10 ft cable length suits standard bench setups

Hobart H100S4 MIG gun for light fabrication

The Hobart 284546 is an air-cooled MIG gun rated at 100 A with a 100 percent duty cycle. It accepts solid or flux-cored wire from .030 to .035 in. The 10 ft cable and rear connection suit Hobart-compatible feeders in automotive and general workshop use.

Rotatable neck and standard trigger change daily

A 60-degree rotatable neck tube lets the operator adjust the angle without tools. The straight handle and standard trigger keep the grip familiar for repetitive welds. These features reduce wrist strain during long passes on thin sheet metal.

Air-cooled construction

The air-cooled design avoids water lines, so there are no leaks or coolant changes. M-Series contact tips are widely available and swap quickly. The gun handles both flux-cored and MIG processes without hardware changes.

How it compares

Measured against everything we stock in Welding Equipment & Positioners, at today’s prices. Recalculated every night.

Price $194.99
Pricier than about 79% of the 1,978 comparable items (median $50.99).

Specifications

Product
Brand nameHOBART WELDING PRODUCTS
Product typeWelding Parts & Supplies

Questions about this item

How often will the M-Series contact tip need replacing when running .035 wire at 100 A?

The M-Series tip is a wear part; replacement frequency depends on wire feed speed, duty cycle and spatter levels, so inspect it each spool change and swap when the bore wears oversize.

What stops the 100 A air-cooled gun from running continuously at full output?

The 100 % duty cycle rating means the gun is designed for continuous 100 A operation without a thermal limit, provided ambient temperature and cable layout allow adequate air cooling.

How hot does the handle get during an all-day 100 A production shift?

The air-cooled design dissipates heat through the 10 ft cable and neck tube; the straight handle stays warm but remains within safe touch limits at the rated 100 % duty cycle.

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