The Siemens 3SU1052-2CL40-0AA0 is a SIRIUS ACT 22mm illuminated selector switch head used in industrial control panels to manually control equipment modes like ON/OFF/Auto or Forward/Stop/Reverse.
The 3SU1052-2CL40-0AA0 belongs to the Siemens SIRIUS ACT 3SU1 series, which includes modular control and signaling devices.
It is a metal 22mm selector switch head with illumination option, designed for use in harsh industrial environments. It provides 3 stable switching positions (I–O–II) with a latching mechanism, meaning it stays in selected position until manually changed.
It is commonly used in MCC panels, machine control stations, and automation systems for operational mode selection.
| Parameter | Details |
|---|---|
| Product Series | Siemens SIRIUS ACT 3SU1 |
| Model | 3SU1052-2CL40-0AA0 |
| Type | Selector Switch Head (Illuminated) |
| Mounting Size | 22 mm |
| Positions | 3 (I–O–II) |
| Operation | Latching |
| Material | Metal + Plastic knob |
| Color | Green |
| Illumination | Yes (LED module compatible) |
| Protection Class | IP66 / IP67 / IP69K |
| Mechanical Life | ~1,000,000 cycles |
| Application | Control panels, MCC, automation systems |
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