Product Description
Siemens 3SU1000-4CF01-0AA0 – Key Operated Switch (SIRIUS ACT 22mm)
The Siemens 3SU1000-4CF01-0AA0 is a SIRIUS ACT 3SU10 series key-operated selector switch head used in industrial control panels for secure ON/OFF or mode selection functions.
It is designed to allow operation only with a specific key (RONIS lock system), making it ideal for machine safety, restricted access control, and industrial authorization circuits.
Key Features
• Siemens SIRIUS ACT 3SU1 series
• Part Number: 3SU1000-4CF01-0AA0
• Type: Key-operated switch head (2-position O–I)
• Mounting size: 22 mm panel cutout
• Operation: Maintained (latching type)
• Key system: RONIS lock (key number 455)
• Positions: 2-position (O / I)
• Actuating angle: 90°
• Key removable at OFF position (O)
• Includes 2 keys
• High protection rating (IP66 / IP67 / IP69K depending on assembly)
• Modular design (used with 3SU1 contact blocks + holders)
Technical Specifications
| Product Series | Siemens SIRIUS ACT 3SU1 |
| Part Number | 3SU1000-4CF01-0AA0 |
| Product Type | Key Operated Switch Head |
| Operation Type | Maintained (latching) |
| Key Removal | Position O (OFF) |
| Material | Industrial plastic |
| Application | Control panels / machine access control |
