539521 AX70/1213EK.72SBA-U0 Ex Absolute Encoder Custom Replacement Solution
The original 539521 AX70/1213EK.72SBA-U0 can be substituted with our custom-engineered replacement encoders, produced with exact 1:1 alignment to the original parameters and installation dimensions. Our process ensures seamless integration with customer systems and provides identical functionality. Using non-standard production techniques, we can fulfill replacements within 10–15 working days, giving enterprises a faster and more flexible sourcing option compared to lengthy OEM lead times. This solution is particularly valuable for customers who require urgent replacements to maintain critical operations.
This model, as part of the AX70 Ex-certified encoder line, is designed to meet the most demanding safety and performance requirements in hazardous environments. It is widely deployed in offshore drilling platforms, refineries, and high-risk storage facilities where certified equipment is mandatory. Its reliability, combined with explosion-proof construction, makes it a cornerstone of safety-focused industrial automation. Our custom replacements ensure that customers continue to benefit from these qualities while resolving procurement bottlenecks effectively.
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 |
