HZ5B10/D101.1 is a rotary knob three position one pole combination changeover switch with four screw terminals. It is rated at 10A and features an ON OFF ON arrangement for simple, manual control. Key benefits Enables switching between two circuits with a single control, while providing a safe center OFF position. 10A rating covers common control loads in panels and equipment. Rotary knob offers direct, tactile operation and clear position indication. Four screw terminals allow secure wiring and straightforward installation. Compact, easytointegrate design suitable for control panels and small equipment. Key attributes Model: HZ5B10/D101.1 Type: Three Position One Pole Combination Changeover Switch with Rotary Knob Rating: 10A Positions: ON OFF ON Poles/Throws: One Pole, Three Position (SPDT with center OFF) Terminals: Four screw terminals Specifications snapshot Configuration: Changeover switch (ONOFFON) Actuation: Rotary knob Terminals: Four screw terminals Polarity: One pole, two outputs (common to left or right) with center OFF Applications and use cases Control panels in machinery to route a common input to one of two outputs, with OFF in the middle for safe shutdown. Laboratory or test bench setups to select between two measurement or load paths using a single control. Small equipment where a simple twopath switch with a center OFF state is required for manual operation and isolation. Installation and handling notes Four screw terminals provide straightforward wiring connections. The ON OFF ON arrangement allows explicit operator control and safe isolation when in the OFF position. This description reflects the model, configuration, and features indicated by the product title HZ5B10/D101.1 10A ON OFF ON 4 Screw Rotary Knob Three Position One Pole Combination Changeover Switch.