Electrical, Specialty Fuses
Explore Electrical, Specialty Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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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PSR031UL0250ZFUSE SQUARE 250A 700VAC/600VDC |
3,104 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 250A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
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PSR031UL0350ZFUSE SQUARE 350A 700VAC/600VDC |
2,373 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 350A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
|
FWH-300AFUSE CARTRIDGE 300A 500VAC/VDC |
8,552 |
|
Datasheet | FWH | Cylindrical, Blade Terminal (Bolt) | Bulk | Active | Bolt Mount | Cartridge | 300A | 500 VAC | 500 VDC | - | Electrical, Industrial | - | - | CE, CSA, UR | - | 200kA AC, 50kA DC | 1.500" Dia x 4.340" L (38.10mm x 110.24mm) | - | - |
|
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FWH-325AFUSE CARTRIDGE 325A 500VAC/VDC |
9,643 |
|
Datasheet | FWH | Cylindrical, Blade Terminal (Bolt) | Bulk | Active | Bolt Mount | Cartridge | 325A | 500 VAC | 500 VDC | - | Electrical, Industrial | - | - | CE, CSA, UR | - | 200kA AC, 50kA DC | 1.500" Dia x 4.340" L (38.10mm x 110.24mm) | - | - |
|
FRS-R-110FUSE CRTRDGE 110A 600VAC/300VDC |
4,561 |
|
Datasheet | Fusetron™ FRS-R | Cartridge, Non-Standard | Bulk | Active | Requires Holder | Cartridge | 110A | 600 VAC | 300 VDC | Slow Blow | Electrical, Industrial | - | RK5 | CE, CSA, UL | - | 200kA AC, 20kA DC | 1.610" Dia x 9.630" L (40.89mm x 244.60mm) | - | - |
|
FRS-R-175FUSE CRTRDGE 175A 600VAC/300VDC |
7,875 |
|
Datasheet | Fusetron™ FRS-R | Cartridge, Non-Standard | Bulk | Active | Requires Holder | Cartridge | 175A | 600 VAC | 300 VDC | Slow Blow | Electrical, Industrial | - | RK5 | CE, CSA, UL | - | 200kA AC, 20kA DC | 1.610" Dia x 9.630" L (40.89mm x 244.60mm) | - | - |
|
PSR031DS0450ZFUSE SQUARE 450A 700VAC/600VDC |
7,692 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 450A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CCC, CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
|
PSR031US0500ZFUSE SQUARE 500A 700VAC/600VDC |
4,834 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 500A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
|
PSR031US0630ZFUSE SQUARE 630A 700VAC/600VDC |
7,097 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 630A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
|
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PSR031DS0630ZFUSE SQUARE 630A 700VAC/600VDC |
2,982 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 630A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CCC, CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
|
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PSR031US0450ZFUSE SQUARE 450A 700VAC/600VDC |
7,618 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 450A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
|
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PSR031DS0500ZFUSE SQUARE 500A 700VAC/600VDC |
3,147 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 500A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CCC, CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
|
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PSR031DS0550ZFUSE SQUARE 550A 700VAC/600VDC |
6,881 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 550A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CCC, CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
|
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PSR031US0550ZFUSE SQUARE 550A 700VAC/600VDC |
6,963 |
|
Datasheet | POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 550A | 700 VAC | 600 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA AC, 150kA DC | 1.898" L x 2.028" W x 2.264" H (48.20mm x 51.50mm x 57.50mm) | - | - |
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KWN-R-100FUSE LIMITRON FAST ACTING |
4,172 |
|
Datasheet | * | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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KWN-R-70FUSE LIMITRON FAST ACTING |
5,973 |
|
Datasheet | * | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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KWN-R-80FUSE LIMITRON FAST ACTING |
7,347 |
|
Datasheet | * | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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KWN-R-90FUSE LIMITRON FAST ACTING |
8,820 |
|
Datasheet | * | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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170M1761FUSE SQUARE 315A 690V RECT |
4,057 |
|
Datasheet | - | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 315A | - | - | - | - | - | - | UL | - | 50kA | 2.126" L x 1.429" W x 0.945" H (54.00mm x 36.30mm x 24.00mm) | - | - |
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170M3019FUSE SQUARE 400A 700VAC RECT |
7,827 |
|
Datasheet | - | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 400A | 700 VAC | - | - | Electrical, Industrial | Indicating | - | CE, CSA, UR | - | 200kA | 1.969" L x 1.772" W x 2.283" H (50.00mm x 45.00mm x 58.00mm) | - | - |
Frequently Asked Questions
What are Electrical, Specialty Fuses components used for?
Electrical, Specialty Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Electrical, Specialty Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find Electrical, Specialty Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
