Product overview
The 10x85 gS cylindrical semiconductor fuse link is designed for high-speed protection in demanding power electronics applications. Rated at 1000V AC/DC, it provides full-range protection against overloads and short-circuits, helping to protect semiconductors, associated cabling and switching equipment within the installation. Its low I²t performance is especially valuable in circuits where sensitive power devices must be protected against excessive thermal and electrodynamic stress. This makes the fuse link a reliable choice for photovoltaic systems, string inverters, rectifiers, UPS units, converters, motor drives, soft starters, solid-state relays and welding equipment. Within industrial and renewable-energy environments, selecting the right semiconductor fuse is essential to improve equipment protection, reduce downtime and maintain system reliability. The RAPIDPLUS 10x85 gS range combines compact size, high-speed operation and strong current-limiting characteristics for advanced electrical protection.
Typical applications
Typical applications include photovoltaic systems, string inverters, rectifiers, UPS systems, industrial converters, motor drives, soft starters, solid-state relays and welding inverters. In these environments, semiconductor fuses play a key role in protecting IGBTs, diodes, thyristors and associated power electronics components against fault currents.
Key features
★ High-speed protection for power semiconductors in critical industrial circuits.
★ Low I²t values to limit thermal stress and help protect sensitive devices.
★ 1000V AC/DC rating for demanding converter, inverter and renewable-energy applications.
★ Compact 10x85 format for efficient integration in electrical protection assemblies.
★ Suitable for overload and short-circuit protection, supporting both equipment safety and system continuity.
Recommended industries
Solar PV & Renewable Energy
Power Electronics & Conversion
Industrial Automation & Drives
Critical Power (UPS & Backup Systems)
Industrial Welding Equipment
Technical specifications
Compared with a generic industrial fuse, a dedicated semiconductor fuse link is designed to react faster and to better protect sensitive power electronic components. The 10x85 gS fuse link is especially suitable when the application requires fast fault clearing, low let-through energy and dependable protection for both semiconductors and associated installation elements. This makes it a strong solution for designers, panel builders and maintenance teams looking for reliable protection in renewable energy, industrial automation and advanced electrical systems. The technical characteristics of this 10x85 semiconductor fuse link make it suitable for high-speed protection in demanding electrical environments. Key parameters such as rated voltage, current range, breaking capacity, pre-arcing I²t and power dissipation should be matched to the application in order to achieve reliable semiconductor protection.
Range
| SIZE | Un (V AC/DC) | In (A) | REFERENCE |
|---|---|---|---|
| 10x85 | 1000V | 1 | 494001 |
| 2 | 494002 | ||
| 3 | 494003 | ||
| 4 | 494004 | ||
| 5 | 494005 | ||
| 6 | 494006 | ||
| 8 | 494008 | ||
| 10 | 494010 | ||
| 12 | 494012 | ||
| 16 | 494016 | ||
| 20 | 494020 |
Technical data
| Rated voltage | 1000V AC/DC |
| Rated currents | 1A...20A |
| Rated breaking capacity | 30kA AC 10kA DC |
| Operating class | gS |
| Rated frequency | 42...62Hz |
| Storage temperature | -40°C ... 90°C |
| Operating temperature * | -40°C ... 80°C |
| * For ambient temperatures higher than 25ºC it is necessary to apply a derating in maximum current. | |
Standards
IEC/EN 60269-1 Fuse links – general requirements
IEC/EN 60269-4 Fuse links for semiconductors protection
RoHS Compliant
Dimensions
Weight 14gr
t-I CHARACTERISTICS
Power dissipation
| RATED CURRENT (A) |
REFERENCE | POWER DISSIPATION (W @ In) |
POWER DISSIPATION (W @ 0,8·In) |
PREARCING I2t (A2s) |
I2t 1000V (A2s) |
|---|---|---|---|---|---|
| 1 | 494001 | 0,75 | 0,45 | 0,2 | 0,42 |
| 2 | 494002 | 1 | 0,6 | 2 | 4,4 |
| 3 | 494003 | 1,1 | 0,65 | 14 | 19 |
| 4 | 494004 | 1,2 | 0,7 | 41 | 56 |
| 5 | 494005 | 1,3 | 0,77 | 80 | 107 |
| 6 | 494006 | 1,5 | 0,89 | 12 | 44 |
| 8 | 494008 | 1,6 | 0,93 | 46 | 176 |
| 10 | 494010 | 1,7 | 1 | 74 | 240 |
| 12 | 494012 | 1,8 | 1,06 | 145 | 470 |
| 16 | 494016 | 3,1 | 1,82 | 190 | 615 |
| 20 | 494020 | 3,3 | 1,95 | 415 | 1380 |
Compatible fuse holders
For a complete protection assembly, this 10x85 gS fuse link can be combined with compatible fuse holders and related semiconductor protection solutions. Explore the PMLe PV fuse holder the full RAPIDPLUS semiconductor fuse range, and other cylindrical high-speed fuse links for tailored protection in power electronics and renewable-energy systems.
 |
|
| PMLe PV fuse holder | |
| U | 1000V AC | 1500V DC |
| In | 32 A |
Need to know
What does “gS” mean in a semiconductor fuse link?
gS indicates a high-speed fuse link designed for semiconductor protection that can clear both overloads and short-circuits, helping protect sensitive power electronics with low let-through energy.
Is this 10×85 fuse link suitable for photovoltaic (PV) applications?
Yes. It is commonly used for auxiliary circuit protection in PV plants with string-type inverters up to 1000V AC/DC, where fast fault clearing and energy limitation are important. Its compact design also makes it suitable for space-constrained electrical panels.
Can this 10x85 fuse link be used for IGBT protection?
Yes, this type of high-speed semiconductor fuse link is suitable for applications involving sensitive power electronic components such as IGBTs, diodes and thyristors, provided the fuse is correctly selected according to the circuit requirements.
Why is low I²t important for semiconductor protection?
Low I²t means less energy passes through the fuse during a fault, reducing thermal and mechanical stress on components such as diodes, IGBTs, and other devices in converters and drives.
What is the difference between a gS and an aR semiconductor fuse link?
gS fuse links provide full-range protection, covering both overloads and short-circuits, while aR fuse links are designed mainly for short-circuit protection of semiconductors. Choosing between them depends on the protection strategy required by the application.
Where is this fuse typically used besides solar installations?
It’s also suitable for rectifiers, UPS systems, converters, motor drives, soft starters, solid-state relays, and welding inverters—applications where sensitive electronics need fast, controlled protection.