The Siemens 3SU1002-2BL20-0AA0 is a SIRIUS ACT series 22mm illuminated selector switch head used in industrial control panels for manual control and mode selection (I–O–II positions).
It is designed for secure and durable operation in harsh industrial environments, and is part of Siemens modular system (actuator + contact block + LED module).
• Siemens SIRIUS ACT 3SU1 series
• Part Number: 3SU1002-2BL20-0AA0
• Type: Illuminated selector switch head
• Mounting size: 22 mm panel cutout
• Positions: 3-position (I – O – II)
• Operation: Maintained (latching type)
• Actuating angle: 2 × 45° (3-step control)
• Illumination: Yes (LED compatible design)
• Material: Industrial-grade plastic
• IP protection: IP66 / IP67 / IP69K (with proper assembly)
• Modular system (used with 3SU1 contact blocks + LED modules)
• High vibration, dust, and water resistance
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS ACT 3SU1 |
| Part Number | 3SU1002-2BL20-0AA0 |
| Product Type | Illuminated Selector Switch Head |
| Mounting Size | 22 mm |
| Positions | 3 (I – O – II) |
| Operation Type | Latching / Maintained |
| Illumination | Yes |
| Material | Plastic |
| Protection Class | IP66 / IP67 / IP69K |
| Application | Control panels, machine mode selection |
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