1278516991595a1267106724867-brochure-o-wartsila-solutions-2015

• Wärtsilä Marine Switchboard – LVTechnical dataRated voltage (V)................................................................................ £ 690Short circuit test IEC 439–1Surge current (peak) kA............................................................. 176Prospective current (RMS) kA..................................................... 80Thermal rated current (1s)........................................................... 80Bus bar (A)............................................................................... 4000Wärtsilä MSS36 Switchboard – LVTechnical dataRated voltage (V)........................................................................ £ 690Short circuit test IEC 61439–1Surge current (peak) kA............................................................. 220Prospective current (RMS) kA................................................... 100Thermal rated current (1s)......................................................... 100Rated currentBus bar (A)......................................................................... 4000 x 2Circuit breaker.......................................................... upp to 6300 AEnclosure IEC 529/947–1Doors closed...........................................................................IP 42All doors open.........................................................................IP 20Air and creepage current distances IEC......................................... 664Arc test IEC 61641 prospective current (RMS) kA......................... 100Wärtsilä McSet Switchboard – MVSWITCHBOARDSTechnical dataRated voltage (kV).............................7.2...................12..................17.5Insulation level50 Hz/1 min (kV RMS).................. 20...................28.................... 381.2/50 ms(kV peak)........................ 60...................75.................... 95Rated currentBus bars (A)............................................................................. 4000Droppers (A)............................................................................ 4000Short circuit currentThermal (kA).....................................................................50 (1 sec)Flame arc test IEC 62271-200.....................................................50 kA35