Protection, Longevity, and Space-savings are qualities that facilitate an optimal choice for rolling stock signal conditioning.
The P45000-series transducers from Knick Interface are designed for measuring high DC and AC voltages on heavy vehicles, especially rolling stock, and maintain these three necessities.

https://www.knick-international.com/en/products/interface-technology/proline/railway-transducers/p-45000/

Application examples include the monitoring and control of traction motors or the monitoring of DC link voltage in traction power converters or on-board power converters.

The P45000 offers:
- Measurement up to 4500 V DC and 3000 V AC
- Test voltage: 20 kV AC
- Suitability for applications with functional safety up to SIL 2 / SIL 3
- Reinforced insulation: up to 3700 V AC/ 4800 V DC
- Space-saving, especially with stacked mounting
- Flexibly adaptable to available space: vertical or horizontal mounting with screw fastening, alternatively DIN rail mounting
-Optional partition extends the clearance without additional space  requirements and avoids “critical” mounting of the ring cable lugs
- Robust thanks to full vacuum encapsulation
- Certified for use on rolling stock according to EN 50155
- 5-year warranty