Premset Catalogue PDF 8.62MB - Schneider Electric

Core unitsMeteringVTM (*) , VTP (*) - Voltage transformerVTM-D (*) , VTP-D (*) - Voltage transformerwith circuit-breaker protectionThe VTM (*) and VTP (*) core units are voltagetransformer units, directly connected to thebusbars and dedicated to power supply ormetering.They are compact and insensitive to harshenvironments thanks to 2SIS design.VTM (*), VTP (*)Voltage transformer unitsBasic equipmentb 2SIS design (Shielded Solid Insulation System), composed of:v bus riser with shielded solid insulation (see G06, page 43)v VTM unit: three VRU1 phase-to-earth screened voltage transformers dedicated topower metering (see page 49)v VTP unit: one VRU2 phase-to-phase screened voltage transformer dedicated toauxiliary power supply (see page 50)b The VTM and VTP core units are fully compatible with the Premset system: samedimensions as the other core units (375 mm wide) and fully compatible with busbarconnections.DM100027AccessoriesLocking of front panelb Standard built-in padlocking and sealing facility (shackle diameter < 9 mm)b Optional keylocking facility with flat or tubular key types:v 1 keylock to prevent access to the voltage transformers.Technical characteristics (VTM, VTP)Rated voltage Ur (kV) 12 15Rated current Ir (A r ms) 630Rated short-time withstand current Ik (kA r ms) 25 25 20 21 21and durationtk (s) 1 2 4 1 3VTM-D (*) , VTP-D (*)Voltage transformer units,with circuit-breaker protectionBasic equipmentb 2SIS design (Shielded Solid Insulation System), composed of:v 100 A disconnecting circuit breaker with associated earthing switch (see D01,page 40)v VTM-D unit: three VRU1 phase-to-earth screened voltage transformers,dedicated to power metering (see page 49)v VTP-D unit: one VRU2 phase-to-phase screened voltage transformer, dedicatedto auxiliary power supply (see page 50).AccessoriesPlease refer to accessories and auxiliaries of D01N core unit, page 40.Technical characteristics (VTM-D, VTP-D)DM100028Rated voltage Ur (kV) 12 15Rated current Ir (A r ms) 630Rated short-time withstand current Ik (kA r ms) 25 25 20 21 21and durationtk (s) 1 2 4 1 3Short-circuit breaking capacity Isc (kA r ms) 25 25 20 21 21Rated making capacity of circuit breaker Icm (kA peak) 65 65 52 54 54and earthing switchesNo-load mechanical enduranceof circuit breakerM1 class(IEC 62271-100)Number ofoperations1000Electrical endurance of circuit breakerE2 class(IEC 62271-100)Number ofoperationsOperating sequenceO - 15 s - COMaximum number of operations at Isc 5Total clearing time at IscFault detection to arc (ms) < 60extinguishingNo-load mechanical enduranceof earthing switchM0 class(IEC 62271-102)Number ofoperations1000Making capacity enduranceof earthing switchE2 class(IEC 62271-102)Number ofoperations1005(*) Consult us for availability46 AMTED310010EN