Amazon: 50 amp breaker box GE RV Outlet Box 70 Amp 120/240 Volt Unmetered with 50 Amp and 20 Amp GCFI Circuit Protected Receptacles. SQUARE D BY SCHNEIDER ELECTRIC QO200TRNM 60A Non Fuse Disconect. 4.7 out of 5 stars 106. $19 $ 19. 23. Get it as soon as Wed, Jul 1. FREE Shipping on orders over $25 shipped by Amazon. Disconnects - Power Distribution - The Home Depot The 60 Amp 240-Volt Non-Fuse Metallic AC Disconnect The 60 Amp 240-Volt Non-Fuse Metallic AC Disconnect is designed to stop the power going to an air conditioning unit to allow for safe working conditions. The disconnect is a non-fuse, puller type and is UL listed with an enclosed pull-out switch. Amazon: 50 amp disconnect Siemens TL137US Talon Temporary Power Outlet Panel with a 20, 30, and 50-Amp Receptacle Installed, Unmetered 4.8 out of 5 stars 426 $148 $ 148 . 83 ($0/oz) How to Calculate the Electrical Disconnect Switch Size Select a disconnect switch with the same or greater horsepower rating as the appliance. The disconnect switch must also have the correct fuse size. An appliance requiring a 30-amp double circuit breaker will need a disconnect rated to its horsepower and will accept two 30-amp fuses.