Product Guide
Digital central unit to protect
Classification:
Company:
Illustration:
Product description:
The central unit serves to protect the contact lines against overloads and
detects short circuits during the current rise even before the maximum operating
currents are reached. The digital design of the central unit leads to a greatly
extended functional scope. The extensive and free parameterization of the
central unit provides the necessary capability for adapting to individual
conditions.
Features:
- Imax (static overcurrent analysis)
- delta I (current surge analysis)
- di/dt (current rise analysis)
- thermal protection
- definite-time overcurrent-time protection
- voltage monitoring
- measurement memory
- event memory
- alarm memory with additional selectable functions
- section control
- cable insulation monitoring
- power, energy calculation
- switchgear loading
Bus communication with electrical isolation via PROFIBUS DP to EN 50170, transfer of
- transfer or status information
- transfer of measured values
- transfer of control commands
- time
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