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- Siemens 6AV7674-1MD00-0AA0 SIMATIC HMI Selector Switch 22mm 3-Position 2NO Extension Unit HMI Accessory Siemens 6AV7674-1MD00-0AA0 SIMATIC HMI Selector Switch 22mm 3-Position 2NO Extension Unit HMI Accessory
Siemens 6AV7674-1MD00-0AA0 SIMATIC HMI Selector Switch 22mm 3-Position 2NO Extension Unit HMI Accessory
Siemens 6AV7674-1MD00-0AA0 SIMATIC HMI Selector Switch 22mm 3-Position 2NO Extension Unit HMI Accessory
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- Description
The Siemens 6AV7674-1MD00-0AA0 is a 22 mm rotary selector switch for front-plate mounting in the Extension Unit of a SIMATIC HMI PRO device, with 3 latching positions (1-0-2) and an integrated white LED. It switches 2 NO contacts, so each of the two active positions closes its own circuit while the center 0 position leaves both open.
Technical Specifications
| SKU | 6AV7674-1MD00-0AA0 |
| EAN | 4047623407003 |
| Brand | Siemens |
| Series | SIMATIC HMI |
| Product type designation | Selector switch for Extension Unit |
| Actuating element | Rotary handle, 3 switch positions |
| Operating principle | Latching |
| Contact configuration | 2 NO contacts |
| Illuminated | Yes, SMT LED, translucent white |
| Mounting type | Threaded ring, front plate |
| Rated voltage | 24 V DC |
| Current consumption | 100 mA |
| Degree of protection, front | IP65, EN 60529 and NEMA 4 |
| Color, front ring | Silver metallic |
| Color, actuating element | Gray |
| Material | Plastic |
| Operating cycles | 300000 |
| Height, housing front | 22.24 mm |
| Mounting diameter | 22.3 mm |
| Weight (without packaging) | 50 g |
| Weight (with packaging) | 100 g |
| Ambient temperature, operation | 0 to 50 degrees C |
| Ambient temperature, storage | -20 to 60 degrees C |
| Installation altitude, max. | 3500 m |
| Relative humidity, operation max. | 90 percent |
Certifications & Standards
- CE
- UKCA
Selection Notes
Use this switch for a stable mode selection, such as Local/0/Remote or Hand/0/Auto, where the operator needs to see and confirm the current position: the rotary handle stays wherever it is turned, unlike the momentary pushbutton in the same series. Its 300,000-cycle rating suits infrequent, deliberate mode changes rather than continuous pushbutton-style cycling.