539489 AX70/1212EK.72SGB-F0 Ex Absolute Encoder Custom Replacement Solution
For the 539489 AX70/1212EK.72SGB-F0, we offer a tailor-made replacement encoder that replicates all functional parameters and installation dimensions of the original. By adopting 1:1 non-standard production, we ensure compatibility and operational continuity. With a 10–15 working day production cycle, our solution accelerates procurement while addressing the difficulties posed by discontinued or scarce encoder models. Customers can thus avoid unnecessary downtime and maintain the reliability of their equipment.
The AX70/1212EK.72SGB-F0 is part of the Ex-certified absolute encoder lineup designed for hazardous locations. Its robust design, coupled with ATEX/IECEx certification, makes it suitable for refineries, hazardous storage areas, and heavy-duty machinery operating in explosive atmospheres. The encoder’s high durability and precision feedback contribute to safe and reliable system performance. Our custom replacement ensures that enterprises retain these key features while accessing a dependable and timely supply of compatible encoders.
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 |
