Weller SI Series Soldering Irons Introducing the SI series soldering irons from Weller. The SI series are heavy-duty irons that are available in 3 models with individual power ratings. Each soldering iron has been designed to suit your required application and is supplied with a plug and curved solder tip. Why Would You Buy These Soldering Irons? The SI series has been designed to make it incredibly easy to use during application. The overall length and weight were a major consideration resulting in each model's weight distribution, the co-moulded grip and handle were made for excellent grip and to provide maximum levels of comfort. The SI series soldering irons are for demanding jobs in applications such as metalwork and are typically used by professional users and light industrial operators. Features and Benefits

• Electric Iron


• For heavy-duty soldering


• Nickel-plated curved tip


• Designed for intensive use


• Feels great in your hand


• Voltage: 230 V


• 50 Hz


• Supplied with plugs

SI Series Options

• SI120; 120 W with Type F - Schuko plug; RS stock no: 610-9361


• SI 175; 175 W with EU plug; RS stock no: 610-9377


• SI251; 200 W with Type C - Euro Plug: RS stock no: 610-9383

Typical Applications Soldering irons are used to work and rework solder in all manner of applications, particularly in repairing or building PCB circuit boards with SMD and through-hole components. They are commonly used in electronics prototyping and production, and any application where a circuit board component might have to be removed or adjusted. Soldering irons are often used by:

• Engineers Electricians


• Metalworkers


• Jewellers

FAQ’s What size tips are supplied with each model?

• SI120 = Type 43110, 12.5 mm


• SI 175 = Type 43111, 16.5 mm


• SI251 = Type 43112, 20 mm

What is the best solder wire to use?

We offer an extensive range of solder wire, please browse Solders