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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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) | - | - |
|
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) | - | - |
|
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) | - | - |
|
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) | - | - |
|
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) | - | - |
|
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) | - | - |
|
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) | - | - |
|
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) | - | - |
|
KWN-R-100FUSE LIMITRON FAST ACTING |
4,172 | - |
|
- |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
KWN-R-70FUSE LIMITRON FAST ACTING |
5,973 | - |
|
- |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
KWN-R-80FUSE LIMITRON FAST ACTING |
7,347 | - |
|
- |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
KWN-R-90FUSE LIMITRON FAST ACTING |
8,820 | - |
|
- |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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) | - | - |
|
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) | - | - |
