The HZ5D20/4 M08C is a robust 3position, 4pole rotary cam switch designed for use with 20A twospeed electronic starters. It features an iron shell and 16 screw terminals, delivering reliable changeover switching in industrial control circuits. Key benefits Enables reliable changeover control for twospeed motor or electronic starter configurations Threeposition, fourpole design supports multiwire wiring and versatile control schemes Iron shell provides durable, rugged enclosure for demanding environments 16 screw terminals offer flexible and secure wiring connections 20A current rating suitable for a wide range of motor control applications Compact rotary cam switch format suitable for panel installations and control assemblies Key attributes Model: HZ5D20/4 M08C Configuration: 3 Position, 4 Poles Terminals: 16 screw terminals Enclosure: Iron shell Rating: 20A Starter type: TwoSpeed electronic starter Function: Changeover rotary cam switch Application: Used in control circuits requiring changeover and speed selection for electronic starters Applications and use cases Control panel for a twospeed motor drive in a small conveyor system, allowing quick switch between speeds Machine tool control panel where a threeposition, fourpole switch is used to start, stop, and select operating modes Industrial fans or pumps that require safe changeover between circuit paths and support for a twospeed electronic starter Notes Designed for professional installation by qualified personnel Ensure wiring and installation comply with applicable electrical codes and manufacturer specifications This description reflects the model, configuration, materials, and features as specified by the product title HZ5D20/4 M08C 3 Position 4 Poles 16 Screws With Iron Shell 20A TwoSpeed electronic starter Changeover Rotary Cam Switch.