![PowerMaster PM201 642 1-Button Rolling Code Transmitter 433MHz PowerMaster PM201 642 1-Button Rolling Code Transmitter 433MHz](https://cdn11.bigcommerce.com/s-fdyqgtwe91/images/stencil/500x659/products/1402/68526/7f30b16457336b17e2899425e378a126e4bf8465e85ba7b9ac5c3b812c5a0f27__56890.1708164153.jpg?c=1)
PowerMaster Model APT is made to be used on sectional doors with requiring high cycles and quiet operation appropriate for apartment house applications. Model APT has a heavy duty v-belt and chain reduction and is mechanically self locking. It has a 115vac flexible mount and a PSC motor with full overload protection. PowerMaster Model APT has an adjustable torque limiting clutch with a drawbar disconnect allowing for manual operation. It has a grey powder coat finish and is available in 1/2hp, 115vac and included is a three button station.