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Electrical, Specialty Fuses

Browse available Electrical, Specialty Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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
PSR071DL0550Z Littelfuse Inc.

PSR071DL0550Z

FUSES POWR-SPEED

Littelfuse Inc.

4,470 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 550A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.028" W x 2.264" H (73.20mm x 51.50mm x 57.50mm) - -
PSR071UL0550Z Littelfuse Inc.

PSR071UL0550Z

FUSES POWR-SPEED

Littelfuse Inc.

3,764 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 550A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.028" W x 2.264" H (73.20mm x 51.50mm x 57.50mm) - -
PSR071FS0500Z Littelfuse Inc.

PSR071FS0500Z

FUSES POWR-SPEED

Littelfuse Inc.

2,438 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 500A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR071FL0500Z Littelfuse Inc.

PSR071FL0500Z

FUSES POWR-SPEED

Littelfuse Inc.

3,022 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 500A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR071UL0630Z Littelfuse Inc.

PSR071UL0630Z

FUSES POWR-SPEED

Littelfuse Inc.

4,409 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 630A 1.1 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.028" W x 2.264" H (73.20mm x 51.50mm x 57.50mm) - -
PSR071FS0550Z Littelfuse Inc.

PSR071FS0550Z

FUSES POWR-SPEED

Littelfuse Inc.

2,796 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 550A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR071FL0550Z Littelfuse Inc.

PSR071FL0550Z

FUSES POWR-SPEED

Littelfuse Inc.

3,916 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 550A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR032US1400X Littelfuse Inc.

PSR032US1400X

FUSES POWR-SPEED

Littelfuse Inc.

1,509 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 1.4kA 500 VAC 450 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.362" W x 2.598" H (49.20mm x 60.00mm x 66.00mm) - -
PSR032FS1250Z Littelfuse Inc.

PSR032FS1250Z

FUSES POWR-SPEED

Littelfuse Inc.

1,755 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 1.25kA 600 VAC 550 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 2.008" L x 2.362" W x 2.598" H (51.00mm x 60.00mm x 66.00mm) - -
PSR071FS0630Z Littelfuse Inc.

PSR071FS0630Z

FUSES POWR-SPEED

Littelfuse Inc.

2,193 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 630A 1.1 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR071FL0630Z Littelfuse Inc.

PSR071FL0630Z

FUSES POWR-SPEED

Littelfuse Inc.

2,216 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 630A 1.1 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) - -
PSR073FS0800Z Littelfuse Inc.

PSR073FS0800Z

FUSE POWR-SPEED INCH SZ:73 800A

Littelfuse Inc.

3,501 -
Datasheet POWR-SPEED® PSR - Box Active Bolt Mount Square 800A - - Fast Blow Semiconductors Indicating - - -55°C ~ 125°C - 2.953" L x 2.894" W x 3.130" H (75.00mm x 73.50mm x 79.50mm) - -
PSR032FL1500Z Littelfuse Inc.

PSR032FL1500Z

FUSES POWR-SPEED

Littelfuse Inc.

2,549 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 1.5kA 500 VAC 450 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 2.008" L x 2.362" W x 2.598" H (51.00mm x 60.00mm x 66.00mm) - -
PSR032FS1500Z Littelfuse Inc.

PSR032FS1500Z

FUSES POWR-SPEED

Littelfuse Inc.

2,479 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 1.5kA 500 VAC 450 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 2.008" L x 2.362" W x 2.598" H (51.00mm x 60.00mm x 66.00mm) - -
PSR032FS1400Z Littelfuse Inc.

PSR032FS1400Z

FUSES POWR-SPEED

Littelfuse Inc.

3,749 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 1.4kA 500 VAC 450 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 2.008" L x 2.362" W x 2.598" H (51.00mm x 60.00mm x 66.00mm) - -
PSR073FS0900Z Littelfuse Inc.

PSR073FS0900Z

FUSES POWR-SPEED

Littelfuse Inc.

1,857 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 900A 1.05 kVAC 800 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.953" L x 2.894" W x 3.130" H (75.00mm x 73.50mm x 79.50mm) - -
PSR073FL0900Z Littelfuse Inc.

PSR073FL0900Z

FUSES POWR-SPEED

Littelfuse Inc.

1,782 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 900A 1.05 kVAC 800 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.953" L x 2.894" W x 3.130" H (75.00mm x 73.50mm x 79.50mm) - -
PSR073FS0700Z Littelfuse Inc.

PSR073FS0700Z

FUSE SQUARE 700A 1.3KVAC/1KVDC

Littelfuse Inc.

4,851 -
Datasheet POWR-SPEED® PSR - Bulk Active Bolt Mount Square 700A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.953" L x 2.894" W x 3.130" H (75.00mm x 73.50mm x 79.50mm) - -
PSR072FL0700Z Littelfuse Inc.

PSR072FL0700Z

FUSES POWR-SPEED

Littelfuse Inc.

2,340 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 700A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.953" L x 2.362" W x 2.598" H (75.00mm x 60.00mm x 66.00mm) - -
PSR072FS0700Z Littelfuse Inc.

PSR072FS0700Z

FUSES POWR-SPEED

Littelfuse Inc.

1,355 -
Datasheet POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 700A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.953" L x 2.362" W x 2.598" H (75.00mm x 60.00mm x 66.00mm) - -
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FREQUENTLY ASKED QUESTIONS

Electrical, Specialty Fuses FAQ

Common questions about selecting, comparing and sourcing Electrical, Specialty Fuses components through Winsun (HK) Electronics.

What should I check when selecting Electrical, Specialty Fuses components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Electrical, Specialty Fuses part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Electrical, Specialty Fuses parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Electrical, Specialty Fuses components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.