General Purpose IEC Fuses General Purpose IEC Fuses NH Fuses (Plain Blades) aM Plastic body with/without French striker aM 500V Size 4 from 630 to 1250 A * BLADE-STYLE FUSES: WITH BLOWN FUSE INDICATOR OR TRIP-INDICATOR * COMPLYING WITH IEC 269.1 AND 2.1, NF EN 60269.1 & 2 NF C 63210 - 63211 AND DIN 43620 * DIMENSIONS: G M B D1 D D1 D2 D G M B e F e H K A C N N With trip-indicator Size 4 A 107 B 61 C 119 D 78 D1 90 J 150 L J 150 L A C H With blown fuse indicator D2* 77 F* 14 G 2,5 H 60 J 27 K 14,5 L 200 M 10 N 23 e 8 Wgt. 1900g * For fuses with trip-indicator Size 4 Voltage Current rating rating IN(A) (VAC) 500 400 630 800 1000 1250 Watts loss (W) 41 49 70 75 With blown fuse indicator Designation Ref. Number aM aM aM aM 4 /630 4 /800 4 /1000 4 /1250 Catalog Number With trip-indicator Designation X098322 NH4AM50V630-3 aM A098325 NH4AM50V800-3 aM B098326 NH4AM50V1000-3 aM C098327 NH4AM40V1250-3 aM Accessories: Neutral link - BS4 Reference Number M097715 Pull-out handle - PMP Reference Number P215592 GPEU58 4 /630 P 4 /800 P 4 /1000 P 4 /1250 P Ref. Number Catalog Number M088515 N088516 P088517 Q088518 NH4AM50V630-4 NH4AM50V800-4 NH4AM50V1000-4 NH4AM40V1250-4 General Purpose IEC Fuses General Purpose IEC Fuses NH Fuses (Plain Blades) aM Plastic body with/without French striker aM 500V Size 4 from 630 to 1250 A Total Clearing I2t Current Limitation Curves I2t (A2S) 108 Ic (kA) 107 100 1250 1000 800 630 106 105 10 104 103 630 800 1000 1250 Rating (A) 2 b: total clearing I t @ 500 V 1 10 100 Ic = Peak let-through current a: pre-arcing I2t Ip (kA) Ip = Available fault current Time VS. Current Characteristics t (s) t (s) = Pre-arcing duration 103 Breaking capacity 100 kA 800 102 630 1250 1000 10 1 10-1 10-2 10 100 1 000 10 000 GPEU59 Ip (A) Ip (A) = R.M.S. AVAILABLE FAULT CURRENT