16 CoriolisMaster FCB400, FCH400 CORIOLIS MASS FLOWMETER | OI/FCB400/FCH400-EN REV. E… 2 Use in potentially explosive atmospheresElectrical dataOverviewStandard / No explosion protection Zone 2, 21 Zone 1, 21 (Zone 0)Division 2 and Zone 2, 21 Division 2 and Zone 1, 21ATEX:–IECEx:–ATEX:II 3 G & II 2 DIECEx:Gc & DbATEX:II 1/2 (1) G & II 2 (1) DII 1/2 G & II 2 DII 2 (1) G & II 2 (1) DIECEx:(Ga) Gb & (Da) DbGa/Gb & Db(Ga) Gb & (Da) DbUSA:–Canada:–USA:NI & DIPAEx ec & AEx tbCanada:Non-Incendive & Dust Ignition ProofEx ec & Ex tbUSA:XP-IS & DIPAEx db ia & AEx ia tbCanada:XP-IS & DIPEx db ia & Ex ia tbG11879bABG11879fABCCA Power supply B Inputs / outputs, communication C Signal cable (remote mount design only)• Type of protection ATEX / IECEx: Increased safety‘Ex e’• Type of protection USA / Canada: ‘non IS’• Maximum 250 Vrms• Terminals: 1+, 2-, L, N,• Type of protection ATEX / IECEx: Either increasedsafety ‘Ex e’ or intrinsically safe ‘Ex ia’• Type of protection USA / Canada: Either ‘non IS’ or‘intrinsically safe IS’.• When installing in ‘Ex ia’ or ‘IS’, suitableintrinsically safe isolation amplifiers must be usedfor the connection.• Terminals: 31, 32, Uco, V1, V2, V3, V4, 41, 42, 51, 52• Terminals: A, B, UFE, GRN• Type of protection ATEX / IECEx: Increased safety‘Ex e’• Type of protection USA / Canada: ‘non IS’NoteWhen installing in ‘Ex ia’ or ‘IS’ type of protection, the type of protection is determined by the type of electrical connection. Theinformation in Changing the type of protection on page 24 must be observed when changing the type of protection!
