? max. leakage under normal circumstances. note: if two phases are interrupted, worst case leakage current could reach 7.7 times higher levels. all dimensions in mm; 1 inch = 25.4mm technical specifications maximum operating voltage: 440vac at 40oc; operating frequency: dc to 60hz at 40c hipot test voltage: p ? e 2000vac; p ? p 1700vdc mtbf at 40c, 400v per mil-hb-217f: 160,000 hours protection category: ip20 overload: 4 times rated current at switch on, then 1.5 times rated current for 1 minute, once per hour 4 (4.6) 8 (9.2) 16 (18.4) 24 (27.6) 0.5 0.5 0.5 0.5 5.5 7 14 18 current ratings at 40oc (25o) a fn 251 - 4 / 07 fn 251 - 8 / 07 fn 251 - 16 / 07 fn 251 - 24 / 07 filter 7 1.5 1 15 470 4.2 1.5 1 15 470 2.6 0.7 1 15 470 1 0.5 1 15 470 component values/phase l l1 cx cy r mh mh f nf k ? power loss w weight kg /29 /29 /29 /29 leakage current? (400v/50hz) ma connections input /07 /07 /07 /07 connections output 0.75 0.75 1.8 1.95 electrical schematic see table for component values l3 fn 251 line load l2 l1 l3 l2 l1 cx r cx r cx e e 3xcy l l1 3xcx r 145 180 75 115 40 60 123 85 135 115 55 0.1 100 0.7 20 1.31mm 2 2.08mm 2 300 6 7 x 5.3 6.4 m6 -4, -8 -16, -24 a b c d e f g h m p w y z current 0.5 0.5 0.5 0.5 0.2 0.2 0.05 1 0.1 - - + 1 + 10 tol.* mm mechanical data * measurements share this common tolerance unless otherwise stated c ? fn 251 ? 4 to 24a current ratings ? compact size ? insulated safety input terminals ? wire outputs ? nennstr?me von 4 bis 24a ? kompakte bauform ? berhrungssichere anschlu?klemmen ? litzen an den ausg?ngen ? courant de service entre 4 et 24a ? taille rduite compacte ? connexions dentre par bornes de scurit isoles ? connexions de sortie par fils filter for motor drives 198 approvals
fn 251 insertion loss per cispr 17; a = 50 ? /50 ? sym, b = 50 ? /50 ? asym, c = 0.1 ? /100 ? sym, d = 100 ? /0.1 ? sym 4 amp types 8 amp types 24 amp types 16 amp types front top side top fn 251-16, -24 input connection: /29 fn 251-4, -8 input connection: /29 d c g z a f b h y e m w p a y w z e g m f b c d mechanical drawings see mechanical data table for dimensions 199
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