Cotek Cotek TR-40 Transfer switch for SP inverters

The Cotek TR-40 is a durable transfer switch designed to work specifically with Cotek SP series sine wave inverters. A transfer switch is used when there is a secondary AC source in a system. For example battery backup systems using the power grid and off-grid systems using a backup AC generator. A transfer switch is used to connect your AC input power (from grid or generator) to your loads. A Cotek CX battery charger can be used in the load panel for an inverter/charger installation which is the ideal setup for off-grid and battery backup.