The Siemens 3SU1051-6AA40-0AA0 is a SIRIUS ACT 22mm LED indicator light head (pilot lamp) used in industrial control panels to show machine status like ON, OFF, FAULT, RUN, or TRIP indication.
👉 Simple meaning: Ye panel ka LED signal light hai jo machine ka status visually show karta hai.
The 3SU1051-6AA40-0AA0 belongs to the Siemens SIRIUS ACT 3SU1 series, which is a modular system of pushbuttons and indicator lights used in automation and electrical panels.
It is a 22mm round metal pilot light head designed for harsh industrial environments, providing high visibility status indication. It is used with compatible LED modules and contact elements depending on application.
| Parameter | Details |
|---|---|
| Product Series | Siemens SIRIUS ACT 3SU1 |
| Model | 3SU1051-6AA40-0AA0 |
| Type | Indicator Light Head |
| Mounting Size | 22 mm |
| Function | Visual status indication |
| Light Source | LED module (separate depending variant) |
| Material | Metal front ring / industrial grade housing |
| Protection | IP66 / IP67 / IP69K (system level) |
| Application | Control panels, MCC, automation systems |
| Operation | Industrial electrical signaling |
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