539421 AX70/1213EK.42SGA-K0 Ex Absolute Encoder Custom Replacement Solution
For the 539421 AX70/1213EK.42SGA-K0, we produce custom replacement encoders built to replicate the original on a 1:1 basis in both parameters and installation design. Using customized non-standard production methods, we ensure compatibility and performance equivalence. With a 10–15 working day production cycle, our service provides faster delivery than traditional sourcing and solves the problem of difficult-to-obtain original models.
The AX70/1213EK.42SGA-K0 encoder, certified for ATEX and IECEx applications, is widely applied in hazardous energy systems, offshore drilling rigs, and chemical automation processes. It is valued for its precise feedback, rugged durability, and compliance with strict safety standards. By offering custom replacements, we allow enterprises to maintain these application advantages while benefiting from shorter procurement lead times.


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 |