China Suppliers Factory - DC Solar Cylindrical Fuse Link with Variable Cross-Section Element and Arc-Extinguishing Medium
Applications
Protection against overload and short circuit in electric lines (type gG), also available for protection of semiconductor parts and equipments against short-circuit (type aR) and protection of motors (type aM). Rated voltage up to 690V; Rated current up to 125A; Working frequency 50Hz AC; Rated breaking capacity up to 100kA, Compliant with GB 13539 and IEC 60269.
Design Features
Variable cross-section fuse element made from pure metal sealed in cartridge made from high-duty ceramic or epoxy glass. Fuse tube filled with chemically treated high-purity quartz sand as arc-extinguishing medium. Dot-welding of fuse element ends to the caps ensures reliable electric connection; Striker may be attached to the fuse link to provide immediate activation of micro-switch to give various signals or cut the circuit automatically. Special fuse as per Figure 1.2~1.4 can be supplied according to customers requirements.
Basic Data
The models, dimensions, and ratings are shown in Figures 1.1~1.4 and Table 1.
Table 1| Cat. Number |
Models | Cross-reference | Dimensions /sizes (mm) |
Rated Voltage (V) |
Rated Current(A) |
Weight (g) |
|||
| MIRO | |||||||||
| gG(Normal) | aR(Fast) | gG(Normal) | aR(Fast) | Fig | ØDXL | ||||
| 0101 | RO06 | RS06 | 1.1 | Ø12.7×29 | 250/380 | 1~32 | 6.5 | ||
| 0102 | RO07 | RS07 | 1.1 | Ø30×57 | 600 | 10~100 | 75 | ||
| 0103 | RO09 | RS09 | 1.1 | Ø18×37 | 500 | 2~63 | 17.5 | ||
| 0104 | RO10 | RS10 | 1.1 | Ø18×50 | 500 | 2~63 | 23.5 | ||
| 0105 | RO11 | RS11 | AJT JKS LPJ | ACL | 1.1 | Ø21×58 | 600 | 2~32 | 51.5 |
| 0106 | RO12 | RS12 | AJT JKS LPJ | ACL | 1.1 | Ø27×60 | 600 | 35~100 | 90 |
| 0107 | RO13 | RS13 | 1.1 | Ø15×50 | 500 | 2~40 | 23.2 | ||
| 0108 | RO14 | RS14 | RT19-16 gF1 | 1.1 | Ø8.5×31.5 | 500 | 0.5~25 | 4.4 | |
| 0109 | RO14A | RS14A | 1.1 | Ø8.5×23 | 250 | 0.5~20 | 3.5 | ||
| 0110 | RO14B | RS14B | 1.1 | Ø8.5×36 | 380/500 | 0.5~20 | 5 | ||
| 0111 | RO15 | RS15 | RT14-20 gF2 RT18-32 RT19-25 |
KTK KLM | 1.1 | Ø10.3×38 | 500/690 | 0.5~32 | 7.7 |
| 0112 | RO15A | RS15A | 1.1 | Ø10.3×25.8 | 250 | 0.5~16 | 4.8 | ||
| 0113 | RO15B | RS15B | 1.1 | Ø10.3×31.5 | 250/500 | 0.5~25 | 5.8 | ||
| 0114 | RO15C | RS15C | 1.1 | Ø10.3×34 | 380/500 | 0.5~32 | 6.2 | ||
| 0115 | RO15D | RS15D | 1.1 | Ø10.3×57 | 600 | 2~32 | 11 | ||
| 0116 | RO16 | RS16 | RT14-32 gF3 RT18-63 RT19-40 |
FWP | 1.1 | Ø14.3×51 | 500/690 | 2~63 | 20.5 |
| 0117 | RO16A | RS16A | 1.1 | Ø14.3× 38 | 500 | 2~50 | 15.6 | ||
| 0118 | RO16B | RS16B | 1.1 | Ø14.3×45 | 500 | 2~50 | 18.5 | ||
| 0119 | RO16C | RS16C | 1.1 | Ø14.3×67 | 500 | 2~50 | 27.5 | ||
| 0120 | RO17 | RS17 | RT14-85 gF4 RT18-125 RT10-100 |
URE2263 | 1.1 | Ø22.2×58 | 500/690 | 10~125 | 58 |
| 0121 | RO18 | RS18 | 1.1 | Ø9.6×30 | 380 | 0.5~25 | 4.8 | ||
| 0122 | RO19 | RS19 | 1.1 | Ø20.5×127 | 600 | 0.5~32 | 91.2 | ||
| 0123 | RO19A | RS19A | 1.1 | Ø20.5X76 | 250/500 | 0.5~63 | 63 | ||
| 0124 | RO19B | RS19B | 1.1 | Ø20.5×114 | 600 | 0.5~32 | 85 | ||
| 0125 | RO19C | RS19C | 1.1 | Ø27×139 | 600 | 32~63 | 172.4 | ||
| 0126 | RO19D | RS19D | 1.1 | Ø147×27 | 600 | 32~63 | 160 | ||
| 0127 | RO54 | RS54 | 1.1 | Ø5×20 | 250 | 0.5-16 | 1 | ||
| 0128 | RO55 | RS55 | 1.1 | Ø5×20 | 250 | 0.5-16 | 1.3 | ||
| 0129 | RO56 | RS56 | 1.1 | Ø6×20 | 250 | 0.5~16 | 1.7 | ||
| 0130 | RO57 | RS57 | 1.1 | Ø6.3×25 | 250 | 0.5~16 | 2.1 | ||
| 0131 | RO58 | RS58 | 1.1 | Ø6.3×31.5 | 250/500 | 0.5~16 | 2.5 | ||
| 0132 | 8SY5015 | 8SY5015 | 1.1 | Ø11×77 | 1140 | 2 | 23 | ||
| 0133 | 8SY5016 | 8SY5016 | 1.1 | Ø11×77 | 1140 | 4 | 23 | ||
| 0134 | 8SY5017 | 8SY5017 | 1.1 | Ø11×77 | 1140 | 6 | 23 | ||
| 0135 | 8SY5018 | 8SY5018 | 1.1 | Ø11×77 | 1140 | 8 | 23 | ||
| 0136 | 8SY5019 | 8SY5019 | 1.1 | Ø11×77 | 1140 | 10 | 23 | ||
| Cat. Number |
Models | Cross-reference | Dimensions/sizes (mm) |
Rated Voltage(V) |
Rated Current(A) |
Weight(g) | |||
| MIRO | |||||||||
| gG(Normal) | aR(Fast) | gG(Nomal) | aR(Fast) | Fig. | ØD×L | ||||
| 0137 | RO08 | RS08 | JJS | 1.2 | Ø20.5×40 | 600 | 2~63 | 40 | |
| Cat. Number |
Models | Cross-reference | Dimensions/sizes (mm) |
Rated Voltage(V) |
Rated Current(A) |
Weight(g) | |||
| MIRO | |||||||||
| gG(Normal) | aR(Fast) | gG(Nomal) | aR(Fast) | Fig. | ØD×L | ||||
| 0138 | RO15T | RS15T | ATQR | KTK KLKR | 1.3 | Ø10.3×38 | 500/690 | 0.5~32 | 7.5 |
| Cat. Number |
Models | Cross-reference | Dimensions/sizes (mm) |
Rated Voltage(V) |
Rated Current(A) |
Weight(g) | |||
| MIRO | |||||||||
| gG(Normal) | aR(Fast) | gG(Nomal) | aR(Fast) | Fig. | ØD×L | ||||
| 0139 | RO16H | RS16H | ATQR | KTK KLKR | 1.4 | Ø14.3×51 | 250 | 0.5~32 | 25 |
| 0140 | RO17H | RS17H | 1.4 | Ø22.2×58 | 500/690 | 10~125 | 52 | ||
| 0141 | RO19H | RS19H | FRS-R | 1.4 | Ø20.5×127 | 600 | 0.5~63 | 82 | |
| 0142 | RO19AH | RS19AH | FLNR | 1.4 | Ø20.5×76 | 500/690 | 0.5~63 | 60 | |
| 0143 | RO19BH | RS19BH | 1.4 | Ø20.5×114 | 500 | 0.5~63 | 72 | ||
| 0144 | RO19CH | RS19CH | FRS-R | 1.4 | Ø27×139 | 600 | 32~63 | 148 | |
| 0145 | RO19DH | RS19DH | 1.4 | Ø20.5×147 | 600 | 32~63 | 172 | ||
Frequently Asked Questions
What are the primary applications of these fuse links?
They are designed for overload and short-circuit protection in electric circuits (type gG), protection of semiconductor devices and equipment (type aR), as well as electric motor protection (type aM).
What are the maximum rated voltage and current capacities supported?
The series supports rated voltages up to 690V AC (with specific high-voltage models reaching 1140V) and rated current ratings up to 125A with a breaking capacity up to 100kA.
Which international manufacturing standards do these products comply with?
These cylindrical fuse links strictly comply with national and international electrical safety standards including GB 13539 and IEC 60269.
What materials are utilized for the fuse body and arc-extinguishing medium?
The fuse element is constructed from high-purity metal sealed inside a high-duty ceramic or epoxy glass tube, filled with chemically treated high-purity quartz sand for effective arc quenching.
Can a striker or micro-switch signal trigger be integrated?
Yes, a striker mechanism can be attached to provide immediate triggering of an auxiliary micro-switch, enabling remote fault signaling or automated circuit isolation.
Are customized dimensions or special fuse links available upon request?
Yes, custom fuse links matching specifications in Figures 1.2 to 1.4 or customer-defined electrical parameters can be engineered according to your requirements.





