
Product overview
This series of cylindrical cap fuses is suitable for AC 50Hz, rated voltage up to 1000V, rated current up to 125A. Mainly used for overload and short circuit protection of electrical systems (gG/gL); It can also be derived for semiconductor device protection (aR) and motor protection (aM).
Basic data
Rated voltage :AC/DC250V, AC/DC500V, AC/DC690V, AC/DC1000V. Rated current :0.5A-125A
Usage categories :gG/gL, aR, aM
Breaking capacity :250V-100kA, 500V-100kA, 690V-80kA, 1000V-50kA. Compliant with standards :IEC60269-2, GB/T13539.2.
No. | Model | Rated voltage(V) | Rated current(A) | External dimension | ||
øC±0.1 | A | Attached picture | ||||
1 | 5x20 | 250V | 0.5,1,2,3,4,6,10,12,13 | 5 | 20 | picture1 |
2 | 5X25 | 250V | 0.5,1,2,3,4,6,10,12,16 | 5 | 25 | |
3 | 6X20 | 250V | 0.5,1,2,3,4,6,10,12,16 | 6 | 20 | |
4 | 6.3X23 | 250V | 0.5,1,2,3,4,6,10,12,16,20 | 6.3 | 23 | |
5 | 6.3X25 | 250V | 0.5,1,2,3,4,6,10,12,16,20 | 6.3 | 25 | |
6 | 6.3X31.5 | 250/500 | 0.5,1,2,3,4,6,10,12,16,20 | 6.3 | 31.5 | |
7 | 8.5X23 | 250 | 0.5,1,2,3,4,6,10,12,16,20,25 | 8.5 | 23 | |
8 | 8.5X31.5 | 250/500 | 0.5,1,2,3,4,6,10,12,16,20,25 | 8.5 | 31.5 | |
9 | 8.5X36 | 250/500 | 1,2,3,4,6,10,12,16,20,25,32 | 8.5 | 36 | |
10 | 10X30 | 250/500 | 2,4,6,10,12,16,20,25,32 | 10 | 30 | |
11 | 10.3X28.5 | 250/500 | 2,4,6,10,12,16,20,25,32 | 10.3 | 28.5 | |
12 | 10.3X31.5 | 250/500 | 2,4,6,10,12,16,20,25,32 | 10.3 | 31.5 | |
13 | 10.3X34 | 250/500 | 2,4,6,10,12,16,20,25,32 | 10.3 | 34 | |
14 | 10.3X38 | 500/690 | 2,4,6,10,12,16,20,25,32 | 10.3 | 38 | |
15 | 10.3X65 | 690/1000 | 2,4,6,10,12,16,20,25,32 | 10.3 | 65 | |
16 | 10.3X38T | 500/690 | 2,4,6,10,12,16,20,25,32 | 10.3 | 38 | picture2 |
17 | 14.3X38 | 500/690 | 2,4,6,10,16,20,25,32,40,50,63 | 14.3 | 38 | picture1 |
18 | 14.3X45 | 500/690 | 2,4,6,10,16,20,25,32,40,50,63 | 14.3 | 45 | |
19 | 14.3X51 | 500/690 | 2,4,6,10,16,20,25,32,40,50,63 | 14.3 | 51 | |
20 | 14.3X65 | 690/1000 | 2,4,6,10,16,20,25,32,40,50 | 14.3 | 65 | |
21 | 15X50 | 500/690 | 16,20,25,32,40,50 | 15 | 50 | |
22 | 16.7X35 | 250/500 | 16,20,25,32,40,50,63 | 16.7 | 35 | |
23 | 18X37 | 250/500 | 2,4,6,10,16,20,25,32,40,50,63 | 18 | 37 | |
24 | 18X50 | 500/690 | 2,4,6,10,16,20,25,32,40,50,63 | 18 | 50 | |
25 | 20.5X40 | 500/690 | 2,4,6,10,16,20,25,32,40,50,63 | 20.5 | 40 | |
26 | 20.5X76 | 500/690 | 2,4,6,10,16,20,25,32,40,50,63 | 20.5 | 76 | |
27 | 20.5X114 | 690/1000 | 2,4,6,10,16,20,25,32,40,50,63 | 20.5 | 114 | |
28 | 20.5X127 | 690/1000 | 2,4,6,10,16,20,25,32,40,50,63 | 20.5 | 127 | |
29 | 22.2X58 | 500/690 | 16,20,25,32,40,50,63,80,100,125 | 22.2 | 58 | |
30 | 27X60 | 500/690 | 32,40,50,63,80 | 27 | 60 | |
31 | 27X139 | 690/1000 | 32,40,50,63 | 27 | 139 | |
32 | 27X147 | 690/1000 | 32,40,50,63 | 27 | 147 | |
33 | 30X57 | 500/690 | 16,20,25,32,40,50,63,80,100,125 | 30.1 | 57 | |
34 | 14.3X51H | 500/690 | 2,4,6,10,16,20,25,32,40,50,63 | 14.3 | 51 | picture3 |
35 | 20.5X76H | 500/690 | 2,4,6,10,16,20,25,32,40,50,63 | 20.5 | 76 | |
36 | 20.5X114H | 690/1000 | 2,4,6,10,16,20,25,32,40,50,63 | 20.5 | 114 | |
37 | 20.5X127H | 690/1000 | 2,4,6,10,16,20,25,32,40,50,63 | 20.5 | 127 | |
38 | 22.2X58H | 500/690 | 16,20,25,32,40,50,63,80,100,125 | 22.2 | 58 | |
39 | 27X139H | 690/1000 | 32,40,50,63 | 27 | 139 | |
40 | 27X147H | 690/1000 | 32,40,50,63 | 27 | 147 |

No. | Model | Rated voltage(V) | Rated current(A) | Models/sizes available with fuse link | External dimension |
Attached picture | |||||
41 | RT14-20 | 500/690 | 20 | 10X38 | Attached picture |


No. | Model | Rated voltage(V) | Rated current(A) | Models/sizes available with fuse link | External dimension | |||
A | E | H | H1 | |||||
42 | RT14-32 | 500/690 | 32 | 14X51 | 105 | 26 | 55 | 128 |
43 | RT14-63 | 500/690 | 63 | 22X58 | 124 | 34 | 65 | 143 |


No. | Model | Rated voltage(V) | Rated current(A) | Models/sizes available with fuse link | External dimension |
Attch picture | |||||
44 | RT18-32G | 690V | 32 | 10X38 | Attch picture |


No. | Model | Rated voltage(V) | Rated current(A) | Models/sizes available with fuse link | External dimension | Weight(g) |
Attch picture | ||||||
45 | RT18-32 | 500 | 32 | 10X38 | Attch picture | 35 |
46 | RT18-32X | 500 | 32 | 10X38 | 48 |


No. | Model | Rated voltage(V) | Rated current(A) | Models/sizes available with fuse link | External dimension | Weight(g) |
Attch picture | ||||||
47 | RT18-63 | 690 | 63 | 14X51 | Attch picture | 114 |


No. | Model | Rated voltage(V) | Rated current(A) | Models/sizes available with fuse link | External dimension | Weight(g) |
Attch picture | ||||||
48 | RT18-125L(RT18L-125) | 690 | 125 | 22X58 | Attch picture | 182 |



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1.we can do the designs according to the customer requirement
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