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- Siemens 6AV3688-3XY38-3AX0 SIMATIC KP8 Design Blank Front IP65 5-Slot HMI Extension Unit Siemens 6AV3688-3XY38-3AX0 SIMATIC KP8 Design Blank Front IP65 5-Slot HMI Extension Unit
Siemens 6AV3688-3XY38-3AX0 SIMATIC KP8 Design Blank Front IP65 5-Slot HMI Extension Unit
Siemens 6AV3688-3XY38-3AX0 SIMATIC KP8 Design Blank Front IP65 5-Slot HMI Extension Unit
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- Description
The Siemens 6AV3688-3XY38-3AX0 is a SIMATIC KP8 design empty front panel for building modular operator stations: an aluminum blank front with five slots for standard 22.5 mm command and signaling devices, such as pushbuttons or an emergency-stop button. It mounts into the Extension Unit of any 15-inch or 19-inch 4:3 PRO panel, rated IP65 at the front and IP20 at the rear.
Technical Specifications
| Order Number | 6AV3688-3XY38-3AX0 |
| Brand | Siemens |
| Series | SIMATIC |
| Product Designation | KP8 Design Blank Front |
| EAN | 4025515079613 |
| Mounting Type | Clamp terminals |
| Mounting Position | Any |
| Front Mounting | Yes, compatible with Extension Unit dimensions |
| Portrait/Landscape Mounting | Both possible |
| Max. Tilt Angle (no ventilation) | 180 degrees, to the front/rear |
| Number of Slots for Command/Signaling Devices | 5 (max.) |
| Power Supply Design | External |
| Degree of Protection (Front) | IP65 |
| Degree of Protection (Rear) | IP20 |
| Operating Temperature | 0 to 55 degC |
| Storage Temperature | -20 to 60 degC |
| Relative Humidity, max. | 95% |
| Enclosure Material (Front) | Aluminum |
| Width | 98 mm |
| Height | 155 mm |
| Mounting Cutout | 68 x 129 mm, plate thickness 2-6 mm |
| Mounting Depth | 49 mm |
| Net Weight | 240 g |
| Country of Origin | DE |
Certifications & Standards
- CE
Selection Notes
The five 22.5 mm slots let a panel builder add pushbuttons, selector switches, or an emergency-stop button directly next to the HMI instead of drilling a separate enclosure cutout, and the front is also rated suitable for safety functions. It only fits the Extension Unit of 15-inch and 19-inch 4:3 PRO devices, so confirm the panel size and format before ordering. IP65 at the front protects the mounted command devices against washdown, while the IP20 rear still needs a closed cabinet behind it.
Applications
Fits modular operator stations where a 15-inch or 19-inch 4:3 PRO HMI needs hardwired controls, such as an e-stop or mode-select switch, mounted directly beside the display in the same bezel.