STS Series
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Engineering Power, Quick, Special Desing, Experience, Wide Service Static Transfer Switches

Energy & Power Conversion General Specifications ► Uninterruptable transfer between two Independent sources ► 3 phase 3 pole or 4 pole cutting ► Totally DSP controlled technology ► Synchronous/asynchronous transfers ability ► Source priority selection ► Temporary protection for input and output sources in an overload situation ► Automatic and manual transfer ► Ability to change the damaged source On load ► By means of DSP control technology, short reply time and diagnostics ► Password protected menu structure which whole applications can be made from it ► Advanced communication options for...

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Energy & Power Conversion MODEL RATED CURRENT (A) INPUT Nominal Voltage-sources Voltage tolerance Switched input phases Nominal frequency Input frequency tolerance range Distribution compatibility Transfer type OPERATING FEATURES 380-400-415 Vac three-phase with neutral IT, TT, TNS, TNC “Break Before Make” (no overlapping sources) Avaliable transfer methods Transfer time for source failure < 1/4 cycle (5.0ms @ 50Hz, 4.1ms @ 60Hz) (S1/S2 synchronised and adjustable) 10 msec (S1/S2 NON synchronised) Efficiency at full load (%) Noise level at 1 m from front (dba) (from 0 to full load)-(dba)...