539428 AX70/0012EK.42SGA-F0 Ex Absolute Encoder Custom Replacement Solution
For 539428 AX70/0012EK.42SGA-F0, we offer a custom replacement solution that duplicates the original design in both performance parameters and installation interface. Our approach allows a 1:1 drop-in replacement, while also supporting non-standard customization for special requirements. With a 10–15 working day production cycle, users gain a reliable alternative that addresses long lead times and procurement challenges common in sourcing explosion-proof encoders.
The original AX70 series was built for explosive gas and dust environments, certified to ATEX and IECEx standards. It delivers reliable absolute position feedback in harsh industrial conditions, including oil & gas drilling, petrochemical processing, mining operations, and offshore installations. With durable mechanics and versatile communication protocols, it ensures continuous operation in mission-critical environments. Our replacement solution guarantees these same benefits while reducing delivery risks.
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 |
