539523 AX70/0017EK.72SBA-V0 Ex Absolute Encoder Custom Replacement Solution
For the original model 539523 AX70/0017EK.72SBA-V0, we are able to provide a custom replacement solution with 1:1 compatibility in terms of parameters and installation dimensions. By using a non-standard customized production approach, we ensure that the replacement meets the exact functional requirements of the original encoder. The typical production cycle is around 10–15 working days, allowing end users to shorten procurement times and resolve sourcing difficulties caused by discontinued or hard-to-find components. Our service enables enterprises to reduce downtime risks and maintain operational continuity without compromising on performance.
The original AX70 series Ex absolute encoders are widely recognized for their ATEX/IECEx certification and reliable performance in hazardous environments. This model is commonly applied in oil & gas, chemical plants, and mining industries, where safety and accuracy are critical. Its robust construction ensures resistance to harsh conditions such as high vibration, extreme temperatures, and potential explosive atmospheres. By offering a custom replacement solution for this model, we help industrial users continue benefitting from the strong application value of the AX70 series while avoiding long lead times associated with sourcing the original part.


Technical Datasheet: Ex Absolute Encoders AX 70
Paramètres | Détails |
---|---|
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 |