Low Voltage Fuses AFaC and BaC types

Transcription

1 Fa and a types Fa and a type currentlimiting fuses 600V /, mps escription The Fa and a type have an excellent current-limiting performance with an interrupting capacity as high as 100k at 600V /. They are suitable for power circuits and control circuit applications including general power cubicles, distribution equipment, motor starters, load centers and control centers. The fuse assembly comprises base, screw cap, fuse link and adapter ring. The universal surface mounting terminals are provided with screws while the rear connection type are supplied with stud bolts. The fuse link can easily and safely be replaced by simply removing a screw cap. The diameter of the solid ferrule fuse link varies according to the rated current. The higher the rating, the greater the diameter. s a safety feature the screw cap can only be tightened when the fuse link matches with the adapter ring located inside the base. This prevents the cap from being tightened even when fuse F O-1299 Fa-60 a Rear connection type Surface connection type ap Insulating plate Mounting plate ase Front bushing Rear bushing Thickness of mounting plate: 3.2mm or less link with larger ratings is inserted. The operating blown indication tip can be observed through the screw cap window. The tip color indicates the current rating for instance, pink indicates 3 and red 10. The tip is ejected to show that the fuse has blown. oth the base and the screw cap are made from a high class Indicating winndow Faucet screw Fuse-Iink Terminal (load) dapter ring Terminal (Iine) ontact spring eae porcelain insulating material to ensure trouble-free operation. The fuse can be replaced without isolating the circuit. Since the fuse link is housed in a highly reliable porcelain barrel it is strong mechanically and thermally with no danger of explosion or production of noxious gases when blown. omponents of Fa and a type Parts F776 S-39 S-39 SO 0091M S-63 Rated Fuse-link ase dapter ring current Surface connection Rear connection olor of () Type olor of indicator Type Type Type Type adapter ring 3 L003 Pink Pa30 Fa30 a30 R3 Pink 5 L005 rown R5 rown 10 L010 Red R10 Red 15 L015 Gray R15 Gray 20 L020 lue R20 lue 30 L030 Violet 40 L040 lack Pa60 Fa60 a60 R40 lack 60 L060 Light red 75 L075 Silver Pa100 Fa100 a100 R75 Silver 100 L100 Red 125 L125 Yellow Pa200 Fa200 a200 R125 Yellow 150 L150 Light red R150 Light red 200 L200 lue 250 L250 Green Pa400 Fa400 a400 R250 Green 300 L300 White R300 White 400 L400 lack Minimum ordering quantity Fuse-link L003 to pcs. ase Fa30 a pcs. L 040, Fa60 a60 50 L 075 to Fa100 a L 250 to Fa200 a200 5 Fa400 a400 1 Pa pcs. dapter ring R3 to 20, R pcs. Pa60 50 R40, R125 to Pa Pa200 5 Pa /30 Fuji lectric F components & Systems o., Ltd./ & atalog

2 Fa and a types Specifications Fuse-link Rated Rated Interrupting Max. interrupting Type current voltage capacity I 2 t () (k) (mp 2 x sec.) L V L L L L L L L L L L L L L L L Ordering information Specify the following: 1. Type number Fuse-link ase L 003 Fa 30 Pa 30 Rated current Frame size x. 003 : 3 mps 30: For 3 to : 75 mps 60: For 40, : 200 mps 100: For 75, 100 Fuse-link 200: For 125, 150, : For 250, 300, 400 Frame size 30: For 3 to 30 60: For 40, : For 75, : For 125, 150, : For 250, 300, 400 onnection Fa: Surface a : Rear Mounting on steel panel To mount a rear connection base a on a steel panel, an insulting plate and some bushings are used. Kits for 30, 60, 100, 200 and 400 base are available. Please specify your base type when ordering. Two front bushings are used with 100, 200 and 400 base only. xample: Insulating plate and bushings for a30 Tightening tool It is recommended that fuses with ratings of over 100 be tightened with a special tool since there is the possibility of overheating if the screw cap is not adequately tightened. This exclusive use tool is sold separately. Type Pa100H Pa200H Pa400H type Pa100 Pa200 Pa400 F F haracteristic curves Melting time-current characteristic Permissible time-current characteristic urrent-limiting characteristic vailable current (Sym, rms) I eff. (k) Fuji lectric F components & Systems o., Ltd./ & atalog 08/31 Max. Let-through current (Peak value) k

3 117 max Low Voltage Fuses Fa and a types imensions, mm Position of indicator Type Rated Mass current () (g) L L L L L L L L L L to to to 400 L L L ase and cap Surface connection Fa-3 to 200 Y1 1 Y2 L L L L (Load) M1 H K 1 M G L (Line) Type 1 1 ø G H K L M M1 Y1 Y2 Mass (max.) (max.) (g) Fa-3 to M Fa-40 to M Fa-75 to M Fa-125 to M Rear connection a-3 to L (2-ø14) F K F G Type F G H K øl Mass (max.) (max.) (max.) (max.) (g) Load H Line a-3 to M5 32 6(14) 220 a-40 to M6 47 7(14) 470 a-75 to M8 72 9(25) 1200 a-125 to M (25) 2115 ( ): In the case the steel plate is used. Surface connection Rear connection Fa-250 to 400 a-250 to 400 Mounting hole 4-7ø Mass: 4.37kg Mass: 4.76kg max 4-M M max max max 2-PF1/4 (2-ø26) max 102 max ( ) :In the case the steel plate is used PF1/4(ø13) max 90 08/32 Fuji lectric F components & Systems o., Ltd./ & atalog

4 Low Voltage Fuses FF and FK types FF, FK type current-limiting fuses 500V FF Up to 60 mps FK Up to 600 mps escription FF and FK HR fuses use a specially designed low-temperature melting element, a feature of 'dual element' fuses. There is no fuse deterioration due to overcurrent phenomena such as rush current at the time of motor starting and they also feature time-lag operation characteristics. They operate rapidly and positively in the face of destructive short circuit currents. Since they are current-limiting fuses with a high capacity of 50k (FF types: 1 60 mps) they are suitable for many types of power and control circuits. The fuse link is housed in a ceramic barrel with excellent thermal and mechanical characteristics and is packed in silica sand which prevents arcing. Thus there are no fears of explosion or production of noxious gases. The FF's link end is a solid ferrule-type and available in 1 60 mps ratings. The FK is a center blade-type and available in mps ratings. The fuse links for the 75 mps FK and larger sizes are provided with a blown fuse indicator. S-240 T-7 Ordering information Specify the following: 1. Type number F FF series fuse-link FK series fuse-link lown fuse indicator FF series Rated Interrupting Fuse-link current capacity () (k) Type imensions, mm FF2-1 to 30 FF2-40 to FF2-1 3 FF2-3 5 FF FF FF FF FF FF FF FF2-60 Note: Minimum ordering quantity Fuse-link: 100 pcs. FK series Rated Interrupting Fuse-link current capacity () (k) Type 3 35 FK2-3 5 FK FK FK FK FK FK FK FK FK FK FK2-3 to Mass: 20g Mass: 80g Type Mass (g) FK2-3 to ø FK2-40 to ø FK2-75, ø FK2-125 to ø FK2-250 to ø FK2-500, ø ø ø FK FK FK FK FK FK FK FK2-600 Note: Minimum ordering quantity Fuse-link: 100 pcs. Fuji lectric F components & Systems o., Ltd./ & atalog 08/33

5 FF and FK types haracteristic curves FF type Melting time-current characteristic FK type Melting time-current characteristic Permissible time-current characteristic Permissible time-current characteristic urrent limiting characterisitc urrent limiting characterisitc Max. Let-through current (Peak value) k Max. Let-through current (Peak value) k vailable current (Sym, rms) I eff. (k) vailable current (Sym, rms) I eff. (k) 08/34 Fuji lectric F components & Systems o., Ltd./ & atalog