Scope of application

The QJD3 series manual autotransformer voltage reducing starter is suitable for infrequent voltage reduction starting and stopping of three-phase squirrel cage induction motors with AC 50Hz or 60Hz, rated working voltage of 380V, and power ranging from 10kW to 75kW for general industrial use. The autotransformer is used for compensation during start-up and is equipped with overload and voltage loss protection devices.

Model and its meaning



structural characteristics
This starter consists of a protective shell made of thin steel plate, an autotransformer for starting, a contact system (contacts immersed in oil), an operating mechanism, and a protection system. It has overload and voltage loss protection functions.

Main technical parameters

Appearance and installation dimensions

QJD3 series manual self coupling pressure reducing starter