The Industrial Heavy-Duty 150W Electric Soldering Iron (220V–240V AC / UK 3-Pin Grounded Plug) is a high-thermal-capacity hand soldering tool engineered for heavy-duty electrical wiring, sheet metal joining, thick copper busbars, stator rewinding, and large gauge cable terminations. Featuring a high-mass chisel/bevel solid copper tip paired with an industrial mica/ceramic core heating element, it delivers rapid thermal transfer and high heat retention, preventing cold solder joints on high-dissipation metallic substrates. Fitted with a fused, grounded standard UK 3-pin mains plug (BS 1363) and an ergonomic, heat-isolated composite/wooden handle, this 150W iron is widely utilized in transformer rewinding, automotive electrical harnesses, marine wiring, plumbing fabrication, radiator repairs, and industrial equipment maintenance.

Specifications

• Product Type: Heavy-Duty Industrial Electric Soldering Iron (Direct Mains Heated)
• Rated Power Consumption: 150 W
• Operating Supply Voltage: 220 V to 240 V AC (50/60 Hz)
• Heating Element Type: High-Grade Mica-Insulated Ni-Cr / Heavy-Duty Ceramic Core
• Tip Type & Geometry: Heavy-Mass Solid Copper Chisel / Wedge Tip (High Thermal Inertia)
• Tip Plating: Electroplated Iron / Nickel & Pre-Tinned Working Edge (Corrosion & oxidation resistant)
• Tip Diameter / Shank: Approx. 8.0 mm to 10.0 mm Heavy Copper Rod
• Maximum Working Tip Temperature: Approx. 450°C to 500°C (842°F to 932°F)
• Warm-Up Time: Approx. 2 to 3 Minutes to Reach Operating Temperature
• Mains Plug Standard: UK Standard 3-Pin Grounded Plug (BS 1363 / Fused with 13A or 5A internal fuse)
• Power Cord Length & Type: Approx. 1.2 to 1.5 Meters, Heavy-Duty 3-Core Grounded Heat-Resistant Cable
• Handle Construction: Ergonomic Impact-Resistant Bakelite / High-Grade Insulating Polymer or Hardwood Handle with Flanged Finger Guard
• Thermal Barrel Material: Seamless Stainless Steel Barrel with Heat Dissipation Vents
• Insulation Resistance: ≥ 100 MΩ (at 500 V DC)
• Dielectric Withstanding Voltage: 1500 V AC / 1 min (Leakage current < 0>
• Overall Length: Approx. 280 mm to 310 mm (Including handle and tip)
• Net Weight: Approx. 280 g to 360 g (Excluding cable)

Features

• High 150W Thermal Retention: Massive heat capacity rapidly overcomes thermal sinking on thick metal plates, heavy copper busbars, and large lugs without temperature drops.
• Large Solid Copper Chisel Tip: Wide contact area provides immediate, efficient heat transfer across broad solder joints and wide braided grounding straps.
• Safe UK 3-Pin Grounded Connection: Compliant with BS 1363 safety standards, incorporating an internal protective fuse and continuous earth grounding to protect operators and equipment.
• Rugged Stainless Steel Barrel: Perforated steel collar provides structural durability and channels radiant heat away from the handle grip during long heating sessions.
• Heat-Isolated Ergonomic Handle: Features an integrated safety flange collar to prevent hand slippage toward the hot barrel and maintain a comfortable grip during continuous workshop use.

Common Applications

• Heavy Gauge Cable Splicing: Soldering thick power cables (4 AWG to 10 AWG), battery bank terminals, and heavy ring crimp lugs.
• Motor & Transformer Maintenance: Stator coil rewinding, commutator connections, and high-current inductor taps.
• Sheet Metal & Stained Glass Art: Joining copper foil, brass sheet fabrications, zinc came strips, and stained glass window panel framing.
• Automotive & Marine Electrical: High-durability wiring repairs on starter motor leads, alternator terminals, and marine battery switches.
• Plumbing & Radiator Soldering: Repairing copper pipe fittings, metal radiator seams, and tinplate metal enclosures.

Usage Tips

• Initial Tip Tinning (First-Time Use): As the iron heats up for the very first time, apply rosin-core solder generously to the copper chisel tip as soon as it reaches melting temperature. This coats the tip with a protective tin layer, preventing immediate surface oxidation.
• Use High-Capacity Heavy Stands: Always park the iron in a heavy-duty, all-metal wire coil soldering stand or sturdy sheet metal rest. The high 150W thermal output can quickly melt light plastic rests or scorch wooden workbenches.
• Not for Fine PCB / SMD Work: Due to the high unregulated temperature (~480°C) and large tip mass, do not use this 150W iron on delicate electronic circuit boards or surface-mount components (SMD), as it will rapidly delaminate PCB traces and damage semiconductors.
• Flux Selection: For heavy electrical copper joints, use high-activity rosin flux or paste flux. For non-electrical sheet metal work (copper/brass), use appropriate zinc-chloride soldering paste, ensuring thorough cleaning after the joint cools.
• Tip Maintenance & Cleaning: Clean the tip frequently on a damp brass wire sponge or moist cellulose sponge. Never use coarse files or rough sandpaper on nickel-plated tips, as removing the protective plating exposes raw copper to rapid oxidation.