VOLTAGE CHANGE SWITCHES Control Switches is a member of the Electrical Generating Systems Associations (EGSA) 1Control Switches has been designing and supplying voltage changeover switches to the generator industry for many years. We pride ourselves on our understanding and expertise regarding both switches and generators. Csii can provide you with a custom control switch designed around the hook-up of your generator. No need to rewire your switch, simply turn the handle! Whether it’s a Kohler, Cummins, Caterpillar, Magnetek, Katolight, Generac, Leroy Somer, Marathon, Marelli, Meccalte, Weg, or another manufacturer, Csii can design a switch for your application. Simply give us the hookup you require, (Wye, Wye-wye, Delta, Double-delta, Zig–zag), the KW rating and the generator manufacturer and we will design our switch around the hook-up of your generator. If you fill out the attached questionnaire, one of our sales engineers will contact you with a quick turn-around quote. Csii can also supply your switch with cables attached (pigtails), or wired into a complete control panel from our UL508 approved panel shop. Contact Control Switches for details. Voltage change switch questionnaire (1-pg pdf) Voltage change switch options (2-pg PDF) Blank X-Diagram (1-pg PDF) Call or email us for more information.