Electrical, Specialty Fuses
Use the filters and product table below to compare Electrical, Specialty Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Package / Case | Packaging | Product Status | Mounting Type | Fuse Type | Current Rating (Amps) | Voltage Rating - AC | Voltage Rating - DC | Response Time | Applications | Features | Class | Approval Agency | Operating Temperature | Breaking Capacity @ Rated Voltage | Size / Dimension | Grade | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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LA70Q5004FUSE CRTRDGE 500A 700VAC/650VDC |
8,786 | - |
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Datasheet | LA70Q | Cylindrical, Blade Terminal (Bolt) | Box | Obsolete | Bolt Mount | Cartridge | 500A | 700 VAC | 650 VDC | - | Electrical, Industrial | - | - | UR | - | 100kA | 2.500" Dia x 2.843" L (63.50mm x 72.20mm) | - | - |
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LA70Q4504FUSE CRTRDGE 450A 700VAC/650VDC |
8,228 | - |
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Datasheet | LA70Q | Cylindrical, Blade Terminal (Bolt) | Box | Obsolete | Bolt Mount | Cartridge | 450A | 700 VAC | 650 VDC | - | Electrical, Industrial | - | - | UR | - | 100kA | 2.500" Dia x 2.843" L (63.50mm x 72.20mm) | - | - |
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L75QS450.X750VDC HIGHSPEED SEMICONDUCTOR F |
9,871 | - |
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Datasheet | POWR-SPEED® L75QS | Cylindrical, Blade Terminal (Bolt) | Box | Active | Bolt Mount | Cartridge | 450A | - | 750 VDC | Fast Blow | Electrical, Industrial | - | - | CE, cURus, UL | -55°C ~ 125°C | 50kA | 2.000" Dia x 2.844" L (50.80mm x 72.24mm) | - | - |
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PSR033DL1100XFUSE SQUARE 1.1KA 700VAC/600VDC |
6,048 | - |
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Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 1.1kA | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CCC, CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.937" L x 2.894" W x 3.130" H (49.20mm x 73.50mm x 79.50mm) | - | - |
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PSR033DL1000XFUSE SQUARE 1KA 700VAC/600VDC |
4,683 | - |
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Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 1kA | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CCC, CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.937" L x 2.894" W x 3.130" H (49.20mm x 73.50mm x 79.50mm) | - | - |
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PSR033UL1000XFUSE SQUARE 1KA 700VAC/600VDC |
3,270 | - |
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Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 1kA | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.937" L x 2.894" W x 3.130" H (49.20mm x 73.50mm x 79.50mm) | - | - |
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PSR033UL1250XFUSE SQUARE 1.25KA 700VAC/500VDC |
8,304 | - |
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Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 1.25kA | 700 VAC | 500 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.937" L x 2.894" W x 3.130" H (49.20mm x 73.50mm x 79.50mm) | - | - |
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PSR033UL1100XFUSE SQUARE 1.1KA 700VAC/600VDC |
5,710 | - |
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Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 1.1kA | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.937" L x 2.894" W x 3.130" H (49.20mm x 73.50mm x 79.50mm) | - | - |
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PSR033DL1250XFUSE SQUARE 1.25KA 700VAC/500VDC |
9,637 | - |
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Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 1.25kA | 700 VAC | 500 VDC | Fast Blow | Semiconductors | Indicating | - | CCC, CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.937" L x 2.894" W x 3.130" H (49.20mm x 73.50mm x 79.50mm) | - | - |
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LSRK225.XXIDFUSE CRTRDGE 225A 600VAC/300VDC |
4,723 | - |
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Datasheet | POWR-GARD®, POWR-PRO® LLSRK_ID | Cylindrical, Blade Terminals | Box | Active | Requires Holder | Cartridge | 225A | 600 VAC | 300 VDC | Slow Blow | Electrical, Industrial | Indicating | RK1 | CE, CSA, QPL, UL | - | 200kA AC, 20kA DC | 2.843" Dia x 11.626" L (72.20mm x 295.30mm) | - | - |
Electrical, Specialty Fuses FAQ
Common questions about filtering, comparing and sourcing Electrical, Specialty Fuses components.
How can I narrow the Electrical, Specialty Fuses selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Electrical, Specialty Fuses part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
