SACE Emax DC: Direct Current Applications - VAE ProSys sro
SACE Emax DC: Direct Current Applications - VAE ProSys sro
SACE Emax DC: Direct Current Applications - VAE ProSys sro
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Protection Releases and Trip CurvesOverride ProtectionThe automatic circuit-breakers of <strong>SACE</strong> <strong>Emax</strong> <strong>DC</strong> range are supplied of an internal back-up protectioncalled Override Protection made by the Module PR120/<strong>DC</strong> always supplied with the PR122/<strong>DC</strong>and PR123/<strong>DC</strong> electronic releases.The Override Protection ensures the protection of the electrical plant against instantaneous shortcircuitin case of any loss of power supply of the protection unit PR122/<strong>DC</strong> and PR123/<strong>DC</strong>.The Override protection threshold depends on the circuit breaker size; neither connections nor settingsare in user’care.ABB <strong>SACE</strong> 19
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