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Cylindrical Fuse Holders

  • Units in Stock: 100

These fuse holders are supporters for fuses with size up to 22×58mm.They are capable of working under heat caused by rated current and expected short impacting current up to 100KA.It can also function as a fuse disconnecting switch by multi-phase combination.There are two in/out lines at the RT18N fuse base,providing apower cut function.The RT18L type has a safety lock to lock the fuse carrier when disconnected to avoid wrong operation;it can also be equipped with an indicator,which goes on when the fuse linke breaks.

Rated insulate voltage up to 690V;Working frequency 50Hz AC;Conventional free air thermal current up to 125A;Compliant with GB13539.1,GB13539.2,GB13539.6,GB14048.3andIEC269-1,IEC269-2,IEC269-2-1,IEC947-3.

After the plastic-injected case is equipped with contacts and fuse links,the bases ari formed by welding or riveting both capable of being multi-phase structured.FB15C,FB16-3j,FB19C-3J,RT19 are open-structure,and others are semi-concealed structure.There are five fuse sizes available to choose from for the same fuse base of RT18N,RT18Band RT18C.There are two sets of in-out lines for RT18N.One is installed withfuse links of the according size.The other is a per manent open contacts with double breaking points.The whole base unit can cut the power.RT18 bases are all DIN rail installed,among which the RT18L is equipped with safety lock against wrong operation in the breaking state.

The models,rated insulate voltage,rated current,and dimensions are shown in Figures 9.1~9.14and Table 9(Width of N-phase combination is Bn-nB).
 
Table 9
 
   
Cat.
No.
Models Fuse link models Rated insulation voltage (V) Conventional free air thermal current(A) Dimensions(mm) Weight (g)
Fig.
0901 RT14-20 10×38 500 20 Bolt installing hole Ф4.5 See figure 9.1 38
0902 RT14G-20 10×38 500 20 G32-15 rail installation See figure 9.1 44
 
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Table 9(cont.)
 
   
Cat.
No.
Models Fuse link models Rated insulation voltage (V) Conventional free air thermal current(A) Dimensions(mm) Weight (g)
Fig. A1 B H1 H2 Фd
0903 RT14-32 14×51 500 32 9.2 105 26.5 57 135 5.5 148
0904 RT14-63 22×58 500 63 9.2 125 35 66 158 5.5 241
 
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Fuse Holder: Cylindrical Fuse Holders