Specifications:
- Product: Selector Switch
- Brand: FUJI
- Model: AC09-CY
- Modes: 24 Positions
- AC09: Indicates the series of the switch body that is mounted on the panel with an M9 nut
- C (Output Type): Stands for Complementary Code. This switch has binary output codes to determine the position
- Y (Step Angle): Indicates the rotation angle of 15 degrees per step (which allows the switch to have up to 24 different positions)
Description of the selector switch
The AC09-CY switch is a rotary selector switch manufactured by Fuji Electric, Japan. It is widely used in industrial automation equipment, especially in CNC handwheels (MPG).
Key Features:
- CNC Application: Usually used to select axes (X, Y, Z, 4) or select the travel factor (x1, x10, x100) in CNC turning and milling machines.
- Compact Design: Due to its small size, it easily fits into handheld control boxes (Handheld units).
- High durability: The gold-plated contacts of this switch are designed to have a stable and noise-free connection in industrial environments and against weak electrical signals.
Differences from other models:
If there is a special number at the end of the code of this switch (such as AC09-CY-20), it indicates the number of steps limited (for example, 20 steps).
Other models, such as the AC16 series, have larger dimensions with an M16 nut.











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