Rheostats, Sliding Contact, Open Type, Single Tube

• Heavy Pattern, Sturdy Design, Protected By Perforated Cover And Designed To Provide Extra Safety To The User. • Spring Loaded Sliding Contacts Of Solid Brass In Place Of Phosphor Bronze Strip Contacts. • Wound With Heavily Oxidized Resistance Wire On An Insulated Tube And Fitted With Three 4Mm Safety Socket. • Permits Continuous Use For Longer Periods Without Overheating. • Pipe Diameter Available Is About 56Mm Approx. (Length : 250Mm Current : 4.2A Resistance : 20 Ohms)