YRS9 North American Style Round High Speed Fuses are designed for short-circuit protection.With the features of strong current limlting capacity.high breaking capacity and fast short-circuit breaking speed.YRS9 North American Style Round High Speed Fuses are suitable for short-circuit and backup protection of frequency converters,rectifiers,inverters,various power supplies and other semiconductor equipment as well as batteries, motors,capacitors, wires and other equipment and devices.Besides,it also can be used for short circuit for electric vehicle drive power systems, power conversion systems energy storage and power batteries.energy storage capacitors.inverter contronllers, chargers, wires,automotive devices and other backup protection.
Specifications:
Rated Voltage: AC/DC 150V, AC/DC 250, AC/DC 500V, AC/DC 700V, AC/DC 1000V
Rated current: 5A to 1250A.
Operating Class: aR
Breaking Capacity: AC 100KA, DC 50KA (Time Constant≤15ms)
Standards/Approvals: IEC60269-4
Fuse Tube Size Code | 1E | 1F | 2E | 2F | 3E | 3F | 4E | 4F | 5E | 5F | 6E | 6F |
Tube Diameter (mm) | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 |
AC/DC 150V 60-1000A | |||||||
No | P/N | Size Code | Rated Current (A) | Pre-arcing I2t ( A2s) | Melt I2t (A2s) | Power Loss (W) | Mounting |
1 | YRS92F-150V/60A | 2F | 60 | 220 | 2400 | 5.5 | Bolt: M8 Torgue: 12 N.m |
2 | YRS92F-150V/70A | 70 | 455 | 3980 | 6.8 | ||
3 | YRS92F-150V/80A | 80 | 660 | 5820 | 7.5 | ||
4 | YRS92F-150V/90A | 90 | 790 | 8120 | 8.2 | ||
5 | YRS92F-150V/100A | 100 | 1090 | 11800 | 9 | ||
6 | YRS92F-150V/125A | 125 | 1760 | 17300 | 11.2 | ||
7 | YRS92F-150V/150A | 150 | 2720 | 27600 | 13 | ||
8 | YRS92F-150V/175A | 175 | 3040 | 32400 | 15.1 | ||
9 | YRS92F-150V/200A | 200 | 4760 | 44200 | 17.4 | ||
10 | YRS92F-150V/250A | 250 | 7380 | 69100 | 22 | ||
11 | YRS92F-150V/300A | 300 | 10500 | 99700 | 26.5 | ||
12 | YRS92F-150V/350A | 350 | 15300 | 142200 | 30.5 | ||
13 | YRS92F-150V/400A | 400 | 18900 | 178300 | 35 |
AC/DC 150V 60-1000A Type C North America | |||||||
No | P/N | Size Code | Rated Current (A) | Pre-arcing I2( A2s) | Melt I2t (A2s) | Power Loss(W) | Mounting |
14 | YRS94E-150V/500A | 4E | 500 | 38600 | 18600 | 36 | Bolt M10 Torgue 21 N.m |
15 | YRS94E-150V/600A | 600 | 44500 | 227000 | 45 | ||
16 | YRS94E-150V/700A | 700 | 69300 | 254000 | 48 | ||
17 | YRS94E-150V800A | 800 | 88400 | 412000 | 56 |
P/N | A±2 | B±1.5 | C±1.5 | D±1.5 | E±1 | F±0.2 | G±0.5 | H±0.5 |
YRS92F-150V | 69 | 52 | 30 | 29 | 20 | 5 | 8.3 | 11 |
YRS94E-150V | 89 | 62 | 32 | 40 | 25 | 6 | 10.3 | 16.3 |
AC/DC 250V 35-800A | |||||||
No | P/N | Size Code | Rated Current (A) | Pre-arcing I2( A2s) | Melt I2t (A2s) | Power Loss (W) | Mounting |
18 | YRS92E-250V/35A | 2E | 35 | 55 | 240 | 4.2 | Bolt: M8 Torgue: 12 N.m |
19 | YRS92E-250V/40A | 40 | 66 | 330 | 5 | ||
20 | YRS92E-250V/50A | 50 | 103 | 540 | 6 | ||
21 | YRS92E-250V/60A | 60 | 150 | 790 | 8 | ||
22 | YRS93E-250V/80A | 3E | 80 | 440 | 1930 | 8.6 | Bolt: M8 Torgue: 12 N.m |
23 | YRS93E-250V/100A | 100 | 810 | 3210 | 10 | ||
24 | YRS93E-250V/150A | 150 | 1570 | 6680 | 14.8 | ||
25 | YRS93E-250V/200A | 200 | 2820 | 13300 | 21 | ||
26 | YRS93F-250V/250A | 3F | 250 | 4010 | 19500 | 26 | Bolt: M10 Torgue: 21 N.m |
27 | YRS93F-250V/300A | 300 | 5940 | 26800 | 32 | ||
28 | YRS93F-250V/350A | 350 | 11100 | 49400 | 38 | ||
29 | YRS93F-250V/400A | 400 | 14600 | 68700 | 43 | ||
30 | YRS93F-250V/450A | 450 | 21700 | 99800 | 48 | ||
31 | YRS93F-250V/500A | 500 | 28700 | 130000 | 54 | ||
32 | YRS93F-250V/600A | 600 | 40500 | 179000 | 60 | ||
33 | YRS95E-250V/700A | 5E | 700 | 48600 | 201000 | 71 | |
34 | YRS95E-250V/800A | 800 | 60400 | 242000 | 82 |
Outline dimension:
P/N | A±2.5 | B±2 | C±2 | D±1.5 | E±1 | F±0.2 | G_+0.5 | H±0.5 |
YRS92E-250V | 79 | 58 | 41 | 21 | 19 | 3 | 8.5 | 11 |
YRS93E-250V | 79 | 58 | 41 | 31 | 25 | 5 | 8.5 | 11 |
YRS93F-250V | 99 | 67 | 41 | 39 | 25 | 5.5 | 11 | 19 |
YRS95E-250V | 99 | 67 | 41 | 51 | 38 | 6 | 11 | 19 |

AC/DC 500V 35-1200A | |||||||
No | P/N | Size Code | Rated Current (A) | Pre-arcing I2( A2s) | Melt I2t (A2s) | Power Loss (W) | Mounting |
35 | YRS92F-500V/35A | 2F | 35 | 38 | 160 | 6 | Bolt: M8 Torgue: 12 N.m |
36 | YRS92F-500V/40A | 40 | 85 | 330 | 7.5 | ||
37 | YRS92F-500V/50A | 50 | 142 | 760 | 8 | ||
38 | YRS92F-500V/60A | 60 | 230 | 980 | 9.5 | ||
39 | YRS92F-500V/80A | 80 | 360 | 1510 | 12 | ||
40 | YRS92F-500V/100A | 100 | 525 | 2200 | 16 | ||
41 | YRS92F-500V/150A | 150 | 1090 | 4560 | 26 | ||
42 | YRS93F-250V/200A | 3F | 200 | 1870 | 8340 | 38 | Bolt: M10 Torgue: 21 N.m |
43 | YRS93F-500V/250A | 250 | 6010 | 29100 | 40 | ||
44 | YRS93F-500V/300A | 300 | 9330 | 47500 | 48 | ||
45 | YRS93F-500V/350A | 350 | 13800 | 71800 | 55 | ||
46 | YRS93F-500V/400A | 400 | 18900 | 92500 | 62 | ||
47 | YRS95E-500V/450A | 5E | 450 | 25100 | 131800 | 70 | Bolt: M10 Torgue: 21 N.m |
48 | YRS95E-500V/500A | 500 | 28800 | 156000 | 80 | ||
49 | YRS95E-500V/600A | 600 | 42700 | 213000 | 105 | ||
50 | YRS95E-500V/700A | 700 | 60100 | 275000 | 118 | ||
51 | YRS95E-500V/800A | 800 | 79800 | 421000 | 125 | ||
52 | YRS96F-500V/1000A | 6F | 1000 | 91700 | 505000 | 140 | |
53 | YRS96F-500V/1200A | 1200 | 135000 | 631000 | 170 |
Outline dimension:
AC/DC 500V 35-1200A Type C North America | ||||||||
No. | A±2.5 | B±2 | C±2 | D±1.5 | E±1 | F±0.2 | G±0.5 | H±0.5 |
YRS92F-500V | 93 | 75 | 53 | 26 | 19 | 5 | 8.5 | 11 |
YRS93F-500V | 112 | 82 | 54 | 39 | 25 | 5 | 11 | 19 |
YRS95E-500V | 115 | 86 | 57 | 51 | 38 | 6 | 11 | 19 |
YRS96F-500V | 130 | 94 | 57 | 66 | 49 | 8 | 12 | 21 |

AC/DC 700V 5-800A | |||||||
No | P/N | Size Code | Rated Current (A) | Pre-arcing I2( A2s) | Melt I2t (A2s) | Power Loss (W) | Mounting |
54 | YRS91E-700V/5A | 1E | 5 | 2 | 13 | 1.3 | Bolt: M6 Torgue: 5.5 N.m |
55 | YRS91E-700V/10A | 10 | 5 | 21 | 3.2 | ||
56 | YRS91E-700V/15A | 15 | 11 | 77 | 4.5 | ||
57 | YRS91E-700V/20A | 20 | 28 | 180 | 6 | ||
58 | YRS91E-700V/25A | 25 | 44 | 350 | 7 | ||
59 | YRS91E-700V/30A | 30 | 63 | 445 | 8 | ||
60 | YRS92E-700V/35A | 2E | 35 | 60 | 350 | 9 | Bolt: M8 Torgue: 12 N.m |
61 | YRS92E-700V/40A | 40 | 79 | 460 | 10.5 | ||
62 | YRS92F-700V/45A | 45 | 127 | 496 | 11.8 | ||
63 | YRS92E-700V/50A | 50 | 173 | 685 | 12.5 | ||
64 | YRS92E-700V/60A | 60 | 301 | 1180 | 14 | ||
65 | YRS92F-700V/70A | 2F | 70 | 355 | 1770 | 16.8 | Bolt: M8 Torgue: 12 N.m |
66 | YRS92F-700V/80A | 80 | 482 | 2100 | 18.5 | ||
67 | YRS92F-700V/90A | 90 | 573 | 2660 | 22 | ||
68 | YRS92F-700V/100A | 100 | 724 | 4020 | 24 | ||
69 | YRS93F-700V/125A | 3F | 125 | 1430 | 6560 | 27 | Bolt: M10 Torgue: 21 N.m |
70 | YRS93F-700V/150A | 150 | 2980 | 8900 | 30 | ||
71 | YRS93F-700V/175A | 175 | 4120 | 15700 | 34 | ||
72 | YRS93F-700V/200A | 200 | 6050 | 19100 | 40 | ||
73 | YRS94FA-700V/225A | 4FA | 225 | 8360 | 30200 | 43 | Bolt: M10 Torgue: 21 N.m |
74 | YRS94FA-700V/250A | 250 | 10800 | 38700 | 47 | ||
75 | YRS94FA-700V/275A | 275 | 15400 | 49900 | 49 | ||
76 | YRS94FA-700V/300A | 300 | 17800 | 60100 | 55 | ||
77 | YRS94FA-700V325A | 325 | 22100 | 7400 | 58 | ||
78 | YRS94FA-700V/350A | 350 | 25200 | 87300 | 62 | ||
79 | YRS94FA-700V/400A | 400 | 33100 | 114000 | 75 | ||
80 | YRS94FB-700V/450A | 4FB | 450 | 42200 | 143000 | 90 | Bolt: M12 Torgue: 28 N.m |
81 | YRS94FB-700V/500A | 500 | 55400 | 171000 | 102 | ||
82 | YRS94FB-700V/600A | 600 | 75700 | 252000 | 120 | ||
83 | YRS94FC-700V/700A | 4FC | 700 | 98400 | 338000 | 128 | |
84 | YRS94FC-700V/800A | 800 | 118500 | 463000 | 137 |
P/N | A±2.5 | B1±2 | B2±2 | C±2 | D±1.5 | E±1 | F±0.2 | R±0.2 |
YRS91E-700V | 73.5 | 63.5 | 60.5 | 47.5 | 14.3 | 10.3 | 1.5 | 3.2 |
YRS92E-700V | 110 | 95.5 | 84 | 66 | 20 | 15 | 3.2 | 4.5 |
YRS92F-700V | 110 | 95.5 | 84 | 66 | 25 | 18 | 3.2 | 4.5 |
YRS93F-700V | 129 | 109 | 89 | 72 | 37 | 25 | 6 | 5.2 |
YRS94FA-700V | 129 | 109 | 89 | 72 | 49 | 38 | 6 | 5.2 |
YRS94FB-700V | 180 | 145 | 106 | 72 | 49 | 38 | 6 | 6.7 |
YRS94FC-700V | 168 | 141 | 128 | 72 | 49 | 38 | 6 | 8 |

Technical Parameters:
AC/DC 1000V 5-800A Type C North America | |||||||
No | P/N | Size Code | Rated Current (A) | Pre-arcing I2( A2s) | Melt I2t (A2s) | Power Loss (W) | Mounting |
85 | YRS91E-1000V/5A | 1E | 5 | 17 | 105 | 1.3 | Bolt: M6 Torgue: 5.5 N.m |
86 | YRS91E-1000V/10A | 10 | 30 | 168 | 2 | ||
87 | YRS91E-1000V/15A | 15 | 47 | 220 | 2.8 | ||
88 | YRS91E-1000V/20A | 20 | 66 | 330 | 3.2 | ||
89 | YRS91E-1000V/25A | 25 | 83 | 540 | 3.8 | ||
90 | YRS91E-1000V/30A | 30 | 110 | 790 | 5 | ||
91 | YRS92E-1000V/35A | 2E | 35 | 180 | 1100 | 6.3 | Bolt: M8 Torgue: 12 N.m |
92 | YRS92E-1000V/40A | 40 | 270 | 1650 | 7.5 | ||
93 | YRS92F-1000V/50A | 50 | 385 | 2560 | 9.5 | ||
94 | YRS92E-1000V/60A | 60 | 690 | 4650 | 14 | ||
95 | YRS92E-1000V/70A | 70 | 940 | 6300 | 15 | ||
96 | YRS92E-1000V/80A | 80 | 1200 | 7800 | 16 | ||
97 | YRS93E-1000V/90A | 3E | 90 | 1750 | 11400 | 17 | Bolt: M8 Torgue: 12 N.m |
98 | YRS93E-1000V/100A | 100 | 2430 | 13100 | 18 | ||
99 | YRS93E-1000V/125A | 125 | 2920 | 19800 | 20 | ||
100 | YRS93E-1000V/150A | 150 | 4680 | 25400 | 24 | ||
101 | YRS93F-1000V/175A | 3F | 175 | 8900 | 39700 | 28 | Bolt: M10 Torgue: 21 N.m |
102 | YRS93F-1000V/200A | 200 | 15900 | 58900 | 32 | ||
103 | YRS93F-1000V/225A | 225 | 19400 | 110000 | 39 | ||
104 | YRS93F-1000V/250A | 250 | 27400 | 122000 | 45 | ||
105 | YRS93F-1000V/300A | 300 | 27400 | 168000 | 50 | ||
106 | YRS94F-1000V/350A | 4F | 350 | 43800 | 262000 | 58 | Bolt: M10 Torgue: 21 N.m |
107 | YRS94F-1000V/400A | 400 | 74100 | 335000 | 62 | ||
108 | YRS94F-1000V/450A | 450 | 84200 | 262000 | 75 | ||
109 | YRS94F-1000V/500A | 500 | 103000 | 401000 | 90 | ||
110 | YRS96E-1000V/600A | 6E | 600 | 171000 | 505000 | 100 | Bolt: M12 Torgue: 28 N.m |
111 | YRS96E-1000V/800A | 700 | 303000 | 679000 | 140 | ||
112 | YRS96E-1000V/602A | 800 | 415000 | 886000 | 170 |
Outline dimension:
P/N | A±2.5 | B1±2 | B2±2 | C±1.5 | D±1 | E±0.5 | F±0.2 | R±0.2 |
YRS91E-1000V | 73.5 | 63.5 | 60.5 | 47.5 | 14.3 | 10.3 | 1.5 | 3.2 |
YRS92E-1000V | 124 | 109 | 95 | 78 | 24 | 18 | 3.2 | 4.5 |
YRS93E-1000V | 124 | 109 | 95 | 78 | 31 | 22 | 5 | 4.5 |
YRS93F-1000V | 144 | 122 | 105 | 82 | 37 | 25 | 6 | 5.2 |
YRS94F-1000V | 144 | 122 | 105 | 88 | 49 | 38 | 6 | 5.2 |
YRS96E-1000V | 183 | 152 | 120 | 88 | 62 | 38 | 6 | 6.7 |

AC/DC 1000V/700V 1200-2000A | |||||||
No | P/N | Size Code | Rated Current (A) | Pre-arcing I2( A2s) | Melt I2t (A2s) | Power Loss (W) | Mounting |
113 | YRS910F-1000V/1200A | 10F | 1200 | 368000 | 2085000 | 240 | Bolt: M14 Torgue: 36 N.m |
114 | YRS910F-1000V/1400A | 1400 | 467000 | 2693000 | 250 | ||
115 | YRS910F-1000V/1600A | 1600 | 684000 | 3855000 | 265 | ||
116 | YRS910F-1000V/1800A | 1800 | 922000 | 5276000 | 280 | ||
117 | YRS910F-1000V/2000A | 2000 | 1295000 | 7578000 | 300 |

