What is the difference between Compensated and Non Compensated trip units ?
The circuit-breakers with non compensated thermal tripping elements have a tripping current level that depends on the surrounding temperature. When the temperature in which the CB is located exceeds its reference temperature, it will therefore be “derated”.
While,for compensated thermal-magnetic tripping units,they include a bi-metal compensating strip which allows the overload trip-current setting (Ir or Irth) to be adjusted, within a specified range, irrespective of the ambient temperature.
While,for compensated thermal-magnetic tripping units,they include a bi-metal compensating strip which allows the overload trip-current setting (Ir or Irth) to be adjusted, within a specified range, irrespective of the ambient temperature.
Released for: Schneider Electric Saudi Arabia
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