RHA608 803859-01 Absolute encoder SSI Gray with HTL signals
Ruggedized Hollow shaft encoder, Absolute
- 58mm diameter
- Singleturn resolution 13 bit
- Multiturn resolution 12 bit
- Robust design
- Shock and vibration protected
We provide 803859-01 encoder replacement solutions, the use of non-standard form for the production of alternative products, the application parameters of all 1:1. Perfect replacement of the prototype encoder, to solve the procurement and other challenges. The picture is the real photo of the replacement solution.


Encoder Specifications
Encoder Configuration
| Attribute | Details |
|---|---|
| Type | RHA |
| Model | 608 Multiturn |
| Shaft Type | Ø12 mm blind hollow shaft |
| Flange Type | 58/59-flange with stator coupling |
| Power Supply | 9-30 Vdc |
| Output Interface | SSI Gray with HTL signals |
| Absolute Resolution | 25 bit (13 bit singleturn + 12 bit multiturn) |
| Incremental Signal Resolution | 1024 ppr HTL |
| Connection Type | M23 connector 17-pin |
| Connecting Direction | Radial |
Mechanical Data
| Attribute | Details |
|---|---|
| Operating Temperature | -40 °C…+70 °C |
| Ingress Protection Class | IP67 / IP64 (Encoder body/Shaft inlet) |
| Vibration | ≤ 150 m/s² |
| Shock | ≤ 1000 m/s² |
| Shaft Load (axial/radial) | 10 N / 20 N |
| Rotational Speed Max | 6000 rpm |
| Shaft Material | Stainless steel |
| Cover Material | Aluminium (Passivated and coated) |
| Weight | 300 g |
Electrical Data
| Attribute | Details |
|---|---|
| Polarity Protected | Yes |
| Current Consumption (No load) | 65 mA at 24 Vdc (Max. 100 mA at 24 Vdc) |
| Cable Length Max | 50 m |
| Absolute Accuracy | ± 158 arcsec |
| Frequency Range | 100 kHz…1 MHz |
| Incremental Output Load (max) | ± 20 mA |
| Output Frequency Max (incremental signal) | 50 kHz |

