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0755-82798135Electrical, Specialty Fuses
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PSR070FS0350ZFUSES POWR-SPEED |
6,092 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Requires Holder | Square | 350A | 1.3 kVAC | 1 kVDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 100kA AC, 150kA DC | 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) | - | - |
|
PSR070FL0350ZFUSES POWR-SPEED |
8,471 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Requires Holder | Square | 350A | 1.3 kVAC | 1 kVDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 100kA AC, 150kA DC | 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) | - | - |
|
PSR070FS0400ZFUSES POWR-SPEED |
6,080 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Requires Holder | Square | 400A | 1.2 kVAC | 900 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 100kA AC, 150kA DC | 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) | - | - |
|
LPJ-175SPFUSE CRTRDGE 175A 600VAC/300VDC |
2,988 | - |
|
Datasheet |
LOW-PEAK™ LPJ | Cylindrical, Blade Terminal (Bolt) | Bulk | Active | Bolt Mount | Cartridge | 175A | 600 VAC | 300 VDC | Slow Blow | Electrical, Industrial | - | J | CE, CSA, UL | - | 300kA AC, 100kA DC | 1.500" Dia x 3.000" L (38.10mm x 76.20mm) | - | - |
|
|
PSR072FS0500ZFUSE SQUARE 500A 1.3KVAC/1KVDC |
2,701 | - |
|
Datasheet |
POWR-SPEED® PSR | - | Bulk | Active | Bolt Mount | Square | 500A | 1.3 kVAC | 1 kVDC | Fast Blow | Semiconductors | - | - | CCC, CE, cURus, UL | -55°C ~ 125°C | 100kA AC, 150kA DC | 2.953" L x 2.362" W x 2.598" H (75.00mm x 60.00mm x 66.00mm) | - | - |
|
PSR072UL0500XFUSE SQUARE 500A 1.3KVAC/1KVDC |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 500A | 1.3 kVAC | 1 kVDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 100kA AC, 150kA DC | 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) | - | - |
|
PSR032FL1100ZFUSE SQUARE 1.1KA 700VAC/600VDC |
2,541 | - |
|
Datasheet |
POWR-SPEED® PSR | - | Bulk | Active | Bolt Mount | Square | 1.1kA | 700 VAC | 600 VDC | Fast Blow | Semiconductors | - | - | CCC, 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) | - | - |
|
PSR032DS1250XFUSES POWR-SPEED |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 1.25kA | 600 VAC | 550 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) | - | - |
|
PSR032US1250XFUSES POWR-SPEED |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 1.25kA | 600 VAC | 550 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) | - | - |
|
PSR073UL0450XFUSE SQUARE 450A 1.3KVAC/1KVDC |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 450A | 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) | - | - |
|
PSR073UL0350XFUSE SQUARE 350A 1.3KVAC/1KVDC |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | - | Box | Active | Bolt Mount | Square | 350A | 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) | - | - |
|
PSR032DS1400XFUSES POWR-SPEED |
1 | - |
|
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) | - | - |
|
PSR032DS1500XFUSES POWR-SPEED |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 1.5kA | 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) | - | - |
|
PSR032US1500XFUSES POWR-SPEED |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 1.5kA | 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) | - | - |
|
L75QS500.X750VDC HIGHSPEED SEMICONDUCTOR F |
1 | - |
|
Datasheet |
POWR-SPEED® L75QS | Cylindrical, Blade Terminal (Bolt) | Box | Active | Bolt Mount | Cartridge | 500A | - | 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) | - | - |
|
FRS-R-300FUSE CRTRDGE 300A 600VAC/300VDC |
2,601 | - |
|
Datasheet |
Fusetron™ FRS-R | Cartridge, Non-Standard | Bulk | Active | Requires Holder | Cartridge | 300A | 600 VAC | 300 VDC | Slow Blow | Electrical, Industrial | - | RK5 | CE, CSA, UL | - | 200kA AC, 20kA DC | 2.340" Dia x 11.630" L (59.44mm x 295.40mm) | - | - |
|
FRS-R-400FUSE CRTRDGE 400A 600VAC/300VDC |
3,383 | - |
|
Datasheet |
Fusetron™ FRS-R | Cartridge, Non-Standard | Bulk | Active | Requires Holder | Cartridge | 400A | 600 VAC | 300 VDC | Slow Blow | Electrical, Industrial | - | RK5 | CE, CSA, UL | - | 200kA AC, 20kA DC | 2.340" Dia x 11.630" L (59.44mm x 295.40mm) | - | - |
|
PSR072DL0700XFUSES POWR-SPEED |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 700A | 1.2 kVAC | 900 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 100kA AC, 150kA DC | 2.882" L x 2.362" W x 2.598" H (73.20mm x 60.00mm x 66.00mm) | - | - |
|
PSR072UL0700XFUSES POWR-SPEED |
7,111 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 700A | 1.2 kVAC | 900 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 100kA AC, 150kA DC | 2.882" L x 2.362" W x 2.598" H (73.20mm x 60.00mm x 66.00mm) | - | - |
|
PSR073UL0900XFUSES POWR-SPEED |
1 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 900A | 1.05 kVAC | 800 VDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 100kA AC, 150kA DC | 2.921" L x 2.894" W x 3.130" H (74.20mm x 73.50mm x 79.50mm) | - | - |

