Fits Siemens 100 Amp/Murray 100 Amp Panel; Motoqueen Generator Interlock Kit. ?FITMENTS?Generator interlock kit fits for Siemens 100 Amp / Murray 100 Amp Panel, generator interlock can be used in Branch Circuits, Charging/Power, Control Equipment Panels, Electrical Wiring, Portable Generator ?SAFETY GENERATOR INTERLOCK?This kit interlocks for 100 amp panel controls the main breaker and the breaker(The main breaker must be off for the generator breaker to open), avoids short circuits and circuit faults caused by opening the main breaker and generator breaker at the same time, providing a safe and simple solution to electrical faults ?HIGH-QUALITY?This generator interlock billet kit is made of high-quality Aluminum-Alloy, robust durable, and reusable. Very easy to install, generator interlock used to bolt-on, can be installed or removed in just one minute ?PACKAGE INCLUDE?Our generator interlock billet kit includes 1 x Bottom Plate, 1 x Interlock Plate, 1 x Drill Bit, 2 x Shoulder Screws, 2 x Flange Nuts, 2 x Generator Breaker Hold Down Strap, 7 x Remind Label ?QUALITY SERVICE?If our products fail or parts are missing during use, please feel free to contact us and we will reply and solve the problem for you within 24 hours