539425 AX70/0012EK.42SBA-F0 Ex Absolute Encoder Custom Replacement Solution
For the original model 539425 AX70/0012EK.42SBA-F0, we offer a custom replacement solution that mirrors the original specifications and installation dimensions on a 1:1 basis. This approach allows seamless system integration without modifications. In addition, our manufacturing process supports non-standard customization for special project needs. With a production lead time of 10–15 working days, we can effectively shorten procurement cycles and help customers overcome the challenges of sourcing discontinued ATEX/IECEx certified encoders.
The original AX70 series is known for its rugged explosion-proof design, making it suitable for hazardous environments. With ATEX and IECEx certification, it guarantees safe and reliable performance in areas with explosive gases and dust. Typical applications include oil & gas exploration, petrochemical processing, mining machinery, and marine equipment. Its solid mechanics, high load capacity, and versatile communication interfaces ensure dependable performance under heavy-duty conditions. Our replacement solution preserves these application strengths while providing faster and more flexible delivery.
Technical Datasheet: Ex Absolute Encoders AX 70
| Parameter | Details |
|---|---|
| Housing diameter | 70 mm |
| Shaft diameter | 10 mm (solid shaft) |
| Flange (Mounting of housing) | Clamping flange, fastening screw thread 3x M6x12 |
| Protection class housing¹ (EN 60529 / A1:2000-02) | T4: IP65 or IP67 |
| Protection class shaft¹ (EN 60529 / A1:2000-02) | T4: IP64 or IP67 |
| Starting torque typ. | ＜1 Ncm |
| Moment of inertia | ca. 20 g·cm² |
| Max. shaft load | axial 40 N / radial 100 N |
| Vibration resistance (IEC 68-2-6) | 100 m/s² (10 - 1500 Hz) |
| Shock resistance (IEC 68-2-27) | 1000 m/s² (6 ms) |
| Operating temperature | Operating temperature correlating with Ex-requirements, please see following tab showing allowed ambient temperature in relation to different conditions |
| Storage temperature | -25°C … +85°C |
| Material shaft | Stainless Steel |
| Material housing | Aluminum (AX70); Stainless Steel (AX71) |
| Weight | AX70: approx. 1.4 kg; AX71: approx. 4.8 kg |
| Connection | Cable, axial or radial |
