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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PSR072UL0450XFUSE 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 | 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) | - | - |
|
PSX1XLDB0125XFUSE SEMI 1500VDC 1XL SIZE 125A |
1 | - |
|
Datasheet |
POWR-SPEED® PSX | Rectangular, Blade | Box | Active | Bolt Mount | Square | 125A | - | 1.5 kVDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | - | - |
|
PSX1XLUB0200XFUSE SEMI 1500VDC 1XL SIZE 200A |
5,063 | - |
|
Datasheet |
POWR-SPEED® PSX | Rectangular, Blade | Box | Active | Bolt Mount | Square | 200A | - | 1.5 kVDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | - | - |
|
L50QS800.XFUSE CRTRDGE 800A 500VAC/VDC |
1 | - |
|
Datasheet |
POWR-SPEED™ L50QS | Cylindrical, Blade Terminal (Bolt) | Box | Active | Bolt Mount | Cartridge | 800A | 500 VAC | 500 VDC | Fast Blow | Semiconductors | - | - | CE, cURus, UR | -55°C ~ 125°C | 200kA AC, 50kA DC | 2.500" Dia x 6.187" L (63.50mm x 157.15mm) | - | - |
|
PSX1XLFL0250XFUSE SEMI 1500VDC 1XL SIZE 250A |
1 | - |
|
Datasheet |
POWR-SPEED® PSX | Rectangular | Box | Active | Bolt Mount | Square | 250A | - | 1.5 kVDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | - | - |
|
PSR073UL0500XFUSE 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 | 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) | - | - |
|
|
SPFJ250.XFUSE CARTRIDGE 250A 600VAC/1KVDC |
1 | - |
|
Datasheet |
POWR-GARD® SPFJ | Cylindrical, Blade Terminals | Box | Active | Requires Holder | Cartridge | 250A | 600 VAC | 1 kVDC | Fast Blow | Solar (Photovoltaic) | - | J | CE, cULus, UL, VDE | - | 200kA AC, 10kA DC | 2.000" Dia x 7.126" L (50.80mm x 181.00mm) | - | - |
|
|
SPFJ300.XFUSE CARTRIDGE 300A 600VAC/1KVDC |
1 | - |
|
Datasheet |
POWR-GARD® SPFJ | Cylindrical, Blade Terminals | Bulk | Active | Requires Holder | Cartridge | 300A | 600 VAC | 1 kVDC | Fast Blow | Solar (Photovoltaic) | - | J | CE, cULus, UL, VDE | - | 200kA AC, 10kA DC | 2.000" Dia x 7.126" L (50.80mm x 181.00mm) | - | - |
|
PSR073FS0400ZFUSE SQUARE 400A 1.3KVAC/1KVDC |
2,770 | - |
|
Datasheet |
POWR-SPEED® PSR | - | Bulk | Active | Bolt Mount | Square | 400A | 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) | - | - |
|
L70QS450.XFUSE CRTRDGE 450A 700VAC/700VDC |
1 | - |
|
Datasheet |
POWR-SPEED™ L70QS | Cylindrical, Blade Terminal (Bolt) | Box | Active | Bolt Mount | Cartridge | 450A | 700 VAC | 700 VDC | Fast Blow | Semiconductors | - | - | CE, cURus, UR | -55°C ~ 125°C | 200kA AC, 50kA DC | 2.000" Dia x 7.090" L (50.80mm x 180.08mm) | - | - |
|
L70QS500.XFUSE CRTRDGE 500A 700VAC/700VDC |
4,660 | - |
|
Datasheet |
POWR-SPEED™ L70QS | Cylindrical, Blade Terminal (Bolt) | Box | Active | Bolt Mount | Cartridge | 500A | 700 VAC | 700 VDC | Fast Blow | Semiconductors | - | - | CE, cURus, UR | -55°C ~ 125°C | 200kA AC, 50kA DC | 2.000" Dia x 7.090" L (50.80mm x 180.08mm) | - | - |
|
L70QS600.XFUSE CRTRDGE 600A 700VAC/700VDC |
4,991 | - |
|
Datasheet |
POWR-SPEED™ L70QS | Cylindrical, Blade Terminal (Bolt) | Box | Active | Bolt Mount | Cartridge | 600A | 700 VAC | 700 VDC | Fast Blow | Semiconductors | - | - | CE, cURus, UR | -55°C ~ 125°C | 200kA AC, 50kA DC | 2.000" Dia x 7.090" L (50.80mm x 180.08mm) | - | - |
|
PSR073UL0800XFUSES POWR-SPEED |
8,975 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Bolt Mount | Square | 800A | 1.3 kVAC | 1 kVDC | 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) | - | - |
|
L75QS600.X750VDC HIGHSPEED SEMICONDUCTOR F |
3,904 | - |
|
Datasheet |
POWR-SPEED® L75QS | Cylindrical, Blade Terminal (Bolt) | Box | Active | Bolt Mount | Cartridge | 600A | - | 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) | - | - |
|
PSX1XLFL0400XFUSE SEMI 1500VDC 1XL SIZE 400A |
6,595 | - |
|
Datasheet |
POWR-SPEED® PSX | Rectangular | Box | Active | Bolt Mount | Square | 400A | - | 1.5 kVDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | - | - |
|
PSR073FS1250ZFUSES POWR-SPEED |
3,263 | - |
|
Datasheet |
POWR-SPEED® PSR | Rectangular, Blade | Bulk | Active | Requires Holder | Square | 1.25kA | 1 kVAC | - | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 100kA | 2.953" L x 2.894" W x 3.130" H (75.00mm x 73.50mm x 79.50mm) | - | - |
|
LPJ-400SPFUSE CRTRDGE 400A 600VAC/300VDC |
1 | - |
|
Datasheet |
LOW-PEAK™ LPJ | Cylindrical, Blade Terminal (Bolt) | Bulk | Active | Bolt Mount | Cartridge | 400A | 600 VAC | 300 VDC | Slow Blow | Electrical, Industrial | - | J | CE, CSA, UL | - | 300kA AC, 100kA DC | 2.000" Dia x 3.380" L (50.80mm x 85.85mm) | - | - |
|
LPJ-225SPFUSE CRTRDGE 225A 600VAC/300VDC |
2,532 | - |
|
Datasheet |
LOW-PEAK™ LPJ | Cylindrical, Blade Terminal (Bolt) | Bulk | Active | Bolt Mount | Cartridge | 225A | 600 VAC | 300 VDC | Slow Blow | Electrical, Industrial | - | J | CE, CSA, UL | - | 300kA AC, 100kA DC | 2.000" Dia x 3.380" L (50.80mm x 85.85mm) | - | - |
|
KLPC800.XFUSE CRTRDGE 800A 600VAC/480VDC |
1 | - |
|
Datasheet |
POWR-GARD®, POWR-PRO® KLPC | Cylindrical, Blade Terminal (Bolt) | Box | Active | Bolt Mount | Cartridge | 800A | 600 VAC | 480 VDC | Slow Blow | Electrical, Industrial | - | L | CE, CSA, UL | - | 200kA AC, 300kA DC | 2.500" Dia x 3.752" L (63.50mm x 95.30mm) | - | - |
|
PSX3XLFL1000XFUSE SEMI 1500VDC 3XL SIZE 1000A |
1 | - |
|
Datasheet |
POWR-SPEED® PSX | Rectangular | Box | Active | Bolt Mount | Square | 1kA | - | 1.5 kVDC | Fast Blow | Semiconductors | Indicating | - | CE, cURus, UL | -55°C ~ 125°C | 200kA | 5.043" L x 2.894" W x 3.130" H (128.10mm x 73.50mm x 79.50mm) | - | - |

