Modular devices

MiniaOvervoltage protectionsRECOMMENDATIONS FOR DESIGN, INSTALLATION AND MEASUREMENT OF OVERVOLTAGE PROTECTIONSBig installation threata) Family houses with lightning conductor or exposed conductivepartsIndependent on connection type.Where there is a threat of direct lightning stroke to the protectedbuilding or to the nearby building with lightning conductor which isgalvanically connected to the protected building - level of protectionagainst lightning LPL I or LPL II.b) Individual housing unitsIn the block of flats where it is not possible to install common firstprotection stage T1 in the main switchboard and where thelightning current can exceed 12.5 kA (10/350 μs).STANDARD SOLUTIONSOLUTION FOR NECESSARY SEPARATION OF T1 AND T2TN-CSJBC-25E-3-MZS(38361)L1L2L3PENF1F2 if F1 > 315 AL1L2L3PENSJB-25E-3-MZS(38357)L1L2L3PENF1F2 if F1 > 315 ASVC-350-3-MZ(38365)L...arbitraryF3 if F1 > 125 AL1L2L3PENSJBC-25E-3-MZS(38361)SJB-25E-3-MZS(38357)SVC-350-3N-MZ(38367)TN-C-SL1L2L3PENF1F2 if F1 > 315 AL1L2L3NPEL1L2L3PENF1F2 if F1 > 315 AL ... arbitraryF3 if F1 > 125 AL1L2L3PESJB-25-3N-MSZSJBC-25E-3N-MZS(38362)SJB-25E-3N-MZS(38358)SJB-25-3N-MSZSVC-350-3N-MZ(38367)TN-S, TTL1L2L3NPEF1F2 if F1 > 315 AL1L2L3NPEL1L2L3NPEF1F2 if F1 > 315 AL ... arbitraryN L1F3 if F1 > 125 AL2L3PEND28