Electrical, Specialty Fuses

Manufacturer 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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Electrical, Specialty Fuses

Electrical and Specialty Fuses are circuit protection components designed to interrupt current during overload, short-circuit or fault conditions in electrical and electronic systems. They are widely used in industrial equipment, power distribution, motor drives, renewable energy systems, communication equipment, automation systems, transportation electronics, power supplies and control panels.

This category includes industrial fuses, specialty fuses, power fuses, cartridge fuses, high-voltage fuses, fast-acting fuses, time-delay fuses, semiconductor protection fuses and related overcurrent protection devices. These components are commonly selected based on current rating, voltage rating, breaking capacity, response speed, fuse size, mounting method, safety approvals and application requirements.

TomatoElec supplies original Electrical and Specialty Fuses from recognized manufacturers such as Littelfuse, Eaton, Bel Fuse, Schurter, Mersen, SIBA, Bourns, TE Connectivity and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

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
170M4066

170M4066

FUSE SQUARE 630A 700VAC RECT

Eaton - Bussmann Electrical Division

7,540 -
RFQ
170M4066

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Square 630A 700 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 1.969" L x 2.087" W x 2.598" H (50.00mm x 53.00mm x 66.00mm) - -
PSR073FL0800Z

PSR073FL0800Z

FUSE POWR-SPEED METRIC SZ73 800A

Littelfuse Inc.

7,206 -
RFQ
PSR073FL0800Z

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) - -
FLSR450.X

FLSR450.X

FUSE CRTRDGE 450A 600VAC/300VDC

Littelfuse Inc.

3,411 -
RFQ
FLSR450.X

Datasheet

POWR-GARD® FLSR Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 450A 600 VAC 300 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 3.094" Dia x 13.374" L (78.60mm x 339.70mm) - -
FLSR500.X

FLSR500.X

FUSE CRTRDGE 500A 600VAC/300VDC

Littelfuse Inc.

9,436 -
RFQ
FLSR500.X

Datasheet

POWR-GARD® FLSR Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 500A 600 VAC 300 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 3.094" Dia x 13.374" L (78.60mm x 339.70mm) - -
170M5403

170M5403

FUSE SQUARE 315A 1.25KVAC RECT

Eaton - Bussmann Electrical Division

2,948 -
RFQ

-

- - Bulk Active - Square 315A 1.25 kVAC - - - - - CSA, UL - - - - -
KAC-300

KAC-300

FUSE CRTRDGE 300A 600VAC CYLINDR

Eaton - Bussmann Electrical Division

8,432 -
RFQ
KAC-300

Datasheet

KAC Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 300A 600 VAC - - Electrical, Industrial - - UR - 200kA 2.000" Dia x 3.000" L (50.80mm x 76.20mm) - -
170M3740

170M3740

FUSE SQUARE 80A 1.3KVAC RECT

Eaton - Bussmann Electrical Division

7,316 -
RFQ
170M3740

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Square 80A 1.3 kVAC - - Electrical, Industrial Indicating - CSA, UR - 100kA 2.913" L x 1.772" W x 2.323" H (74.00mm x 45.00mm x 59.00mm) - -
FWJ-175A

FWJ-175A

FUSE CARTRIDGE 175A 1KVAC/800VDC

Eaton - Bussmann Electrical Division

9,286 -
RFQ
FWJ-175A

Datasheet

FWJ Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 175A 1 kVAC 800 VDC - Electrical, Industrial - - CE, UR - 25kA AC, 50kA DC 1.526" Dia x 5.685" L (38.76mm x 144.40mm) - -
PSR073UL0400X

PSR073UL0400X

FUSE SQUARE 400A 1.3KVAC/1KVDC

Littelfuse Inc.

6,481 -
RFQ
PSR073UL0400X

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 400A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
PSR073DL0450X

PSR073DL0450X

FUSE SQUARE 450A 1.3KVAC/1KVDC

Littelfuse Inc.

2,549 -
RFQ
PSR073DL0450X

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 450A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
PSR073DL0500X

PSR073DL0500X

FUSE SQUARE 500A 1.3KVAC/1KVDC

Littelfuse Inc.

7,302 -
RFQ
PSR073DL0500X

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 500A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
PSR073DL0400X

PSR073DL0400X

FUSE SQUARE 400A 1.3KVAC/1KVDC

Littelfuse Inc.

2,865 -
RFQ
PSR073DL0400X

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 400A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
PSR073DL0315X

PSR073DL0315X

FUSE SQUARE 315A 1.3KVAC/1KVDC

Littelfuse Inc.

6,419 -
RFQ
PSR073DL0315X

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 315A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
PSR073UL0315X

PSR073UL0315X

FUSE SQUARE 315A 1.3KVAC/1KVDC

Littelfuse Inc.

5,501 -
RFQ
PSR073UL0315X

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 315A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
PSR073DL0350X

PSR073DL0350X

FUSE SQUARE 350A 1.3KVAC/1KVDC

Littelfuse Inc.

6,248 -
RFQ
PSR073DL0350X

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 350A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
ECNR450

ECNR450

FUSE CARTRIDGE 450A 250VAC/VDC

Eaton - Bussmann Electrical Division

4,739 -
RFQ
ECNR450

Datasheet

ECNR Cylindrical, Blade Terminals Bulk Active Requires Holder Cartridge 450A 250 VAC 250 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, UL - 200kA 2.880" Dia x 10.380" L (73.15mm x 263.65mm) - -
ECNR500

ECNR500

FUSE CRTRDGE 500A 250VAC/VDC

Eaton - Bussmann Electrical Division

2,949 -
RFQ
ECNR500

Datasheet

ECNR Cylindrical, Blade Terminals Bulk Active Requires Holder Cartridge 500A 250 VAC 250 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, UL - 200kA 2.880" Dia x 10.380" L (73.15mm x 263.65mm) - -
ECNR600

ECNR600

FUSE CARTRIDGE 600A 250VAC/VDC

Eaton - Bussmann Electrical Division

6,528 -
RFQ
ECNR600

Datasheet

ECNR Cylindrical, Blade Terminals Bulk Active Requires Holder Cartridge 600A 250 VAC 250 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, UL - 200kA 2.880" Dia x 10.380" L (73.15mm x 263.65mm) - -
170M4163

170M4163

FUSE SQUARE 450A 700VAC RECT

Eaton - Bussmann Electrical Division

5,794 -
RFQ
170M4163

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Square 450A 700 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 1.969" L x 2.087" W x 2.598" H (50.00mm x 53.00mm x 66.00mm) - -
170M4164

170M4164

FUSE SQUARE 500A 700VAC RECT

Eaton - Bussmann Electrical Division

7,389 -
RFQ
170M4164

Datasheet

- Rectangular, Blade Bulk Active Bolt Mount Square 500A 700 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 1.969" L x 2.087" W x 2.598" H (50.00mm x 53.00mm x 66.00mm) - -
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