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Electrical, Specialty Fuses

Category Introduction

Products in this family are used for over-current fault protection, and function on the basis of current flow in excess of a desired maximum causing the destruction of a conductive element within the device. They are distinguished from common fuses by one of several factors; bearing a non-supplementary classification under the UL248 standard, certification for use in hazardous or explosive environments, or a form factor other than those commonly encountered in products used for supplementary equipment protection such as those with an indication function or fusible cable links, and fuses designated for specific applications such as protection of telecommunications circuits or multimeters.

Product List

16687 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusMounting TypeFuse TypeCurrent Rating (Amps)Voltage Rating - ACVoltage Rating - DCResponse TimeApplicationsFeaturesClassApproval AgencyOperating TemperatureBreaking Capacity @ Rated VoltagePackage / CaseSize / Dimension
L15S090.T
L15S090.T
FUSE CARTRIDGE 90A 150VAC/100VDC
Littelfuse Inc.
 5 $67.11
POWR-GARD® L15S Bulk ActiveBolt MountCartridge90A150 V100 VFast BlowSemiconductors--CE, CSA, UR-100kA AC, 20kA DCCylindrical, Blade Terminal (Bolt)1.000" Dia x 1.157" L (25.40mm x 29.40mm)
L15S350.T
L15S350.T
FUSE CRTRDGE 350A 150VAC/100VDC
Littelfuse Inc.
 16 $65.38
POWR-GARD® L15S Bulk ActiveBolt MountCartridge350A150 V100 VFast BlowSemiconductors--CE, CSA, UR-100kA AC, 20kA DCCylindrical, Blade Terminal (Bolt)1.000" Dia x 1.157" L (25.40mm x 29.40mm)
JLLS110.X
JLLS110.X
FUSE CRTRDGE 110A 600VAC/300VDC
Littelfuse Inc.
 8 $68.18
POWR-GARD® JLLS Bulk ActiveBolt MountCartridge110A600 V300 VFast BlowElectrical, Industrial-TCE, CSA, UL-200kACylindrical, Blade Terminal (Bolt)1.063" Dia x 1.657" L (27.00mm x 42.10mm)
JLLS175.X
JLLS175.X
FUSE CRTRDGE 175A 600VAC/300VDC
Littelfuse Inc.
 7 $66.40
POWR-GARD® JLLS Bulk ActiveBolt MountCartridge175A600 V300 VFast BlowElectrical, Industrial-TCE, CSA, UL-200kACylindrical, Blade Terminal (Bolt)1.063" Dia x 1.657" L (27.00mm x 42.10mm)
FLNR200.XXID
FLNR200.XXID
FUSE CRTRDGE 300A 250VAC/125VDC
Littelfuse Inc.
 14 $67.92
POWR-GARD® FLNR_ID Bulk ActiveHolderCartridge300A250 V125 VSlow BlowElectrical, IndustrialIndicatingRK5CE, CSA, QPL, UL-200kA AC, 20kA DCCylindrical, Blade Terminals1.594" Dia x 7.126" L (40.50mm x 181.00mm)
L17T125.T
L17T125.T
FUSE CRTRDGE 125A 170VDC CYLINDR
Littelfuse Inc.
 6 $68.00
POWR-GARD® L17T Bulk ActiveBolt MountCartridge125A-170 VFast BlowTelecom--CE, CSA, UR-100kACylindrical, Blade Terminal (Bolt)1.000" Dia x 1.157" L (25.40mm x 29.40mm)
L17T150.T
L17T150.T
FUSE CRTRDGE 150A 170VDC CYLINDR
Littelfuse Inc.
 3 $67.52
POWR-GARD® L17T Bulk ActiveBolt MountCartridge150A-170 VFast BlowTelecom--CE, CSA, UR-100kACylindrical, Blade Terminal (Bolt)1.000" Dia x 1.157" L (25.40mm x 29.40mm)
L17T250.T
L17T250.T
FUSE CRTRDGE 250A 170VDC CYLINDR
Littelfuse Inc.
 15 $69.08
POWR-GARD® L17T Bulk ActiveBolt MountCartridge250A-170 VFast BlowTelecom--CE, CSA, UR-100kACylindrical, Blade Terminal (Bolt)1.000" Dia x 1.157" L (25.40mm x 29.40mm)
PF-MB1-180
PF-MB1-180
FUSE BOLT MNT 240VAC 150VDC 180A
Bourns Inc.
 7 $75.25
POWrFuse™ PF-M Box ActiveBolt MountCartridge180A240 V150 V-Semiconductors--cURus, UL-55°C ~ 125°C160kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)0.685" Dia x 1.053" L (17.40mm x 26.75mm)
PF-MB1-125
PF-MB1-125
FUSE BOLT MNT 240VAC 150VDC 125A
Bourns Inc.
 4 $76.55
POWrFuse™ PF-M Box ActiveBolt MountCartridge125A240 V150 V-Semiconductors--cURus, UL-55°C ~ 125°C160kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)0.685" Dia x 1.053" L (17.40mm x 26.75mm)
PF-MB1-100
PF-MB1-100
FUSE BOLT MNT 240VAC 150VDC 100A
Bourns Inc.
 7 $74.87
POWrFuse™ PF-M Box ActiveBolt MountCartridge100A240 V150 V-Semiconductors--cURus, UL-55°C ~ 125°C160kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)0.685" Dia x 1.053" L (17.40mm x 26.75mm)
PF-MB1-150
PF-MB1-150
FUSE BOLT MNT 240VAC 150VDC 150A
Bourns Inc.
 7 $75.03
POWrFuse™ PF-M Box ActiveBolt MountCartridge150A240 V150 V-Semiconductors--cURus, UL-55°C ~ 125°C160kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)0.685" Dia x 1.053" L (17.40mm x 26.75mm)
PF-MB1-80
PF-MB1-80
FUSE BOLT MNT 240VAC 150VDC 80A
Bourns Inc.
 3 $74.72
POWrFuse™ PF-M Box ActiveBolt MountCartridge80A240 V150 V-Semiconductors--cURus, UL-55°C ~ 125°C160kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)0.685" Dia x 1.053" L (17.40mm x 26.75mm)
L60S040.T
L60S040.T
FUSE CRTRDGE 40A 600VAC CYLINDR
Littelfuse Inc.
 11 $77.85
POWR-GARD® L60S Bulk ActiveBolt MountCartridge40A600 V-Fast BlowSemiconductors--CE, CSA, UR-200kA AC, 20kA DCCylindrical, Blade Terminal (Bolt)0.811" Dia x 2.780" L (20.60mm x 70.60mm)
PF-FB2-50
PF-FB2-50
FUSE BOLT MNT 800VAC 800VDC 50A
Bourns Inc.
 6 $77.04
POWrFuse™ PF-F Box ActiveBolt MountCartridge50A800 V800 V-Semiconductors-aRcURus-55°C ~ 125°C100kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)0.949" Dia x 2.598" L (24.10mm x 66.00mm)
PF-FB1-50
PF-FB1-50
FUSE BOLT MNT 800VAC 800VDC 50A
Bourns Inc.
 4 $77.20
POWrFuse™ PF-F Box ActiveBolt MountCartridge50A800 V800 V-Semiconductors-aRcURus-55°C ~ 125°C100kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)0.949" Dia x 2.717" L (24.10mm x 69.00mm)
L50QS150.V
L50QS150.V
FUSE CRTRDGE 150A 500VAC/VDC
Littelfuse Inc.
 8 $79.18
POWR-SPEED™ L50QS Box ActiveBolt MountCartridge150A500 V500 VFast BlowSemiconductors--CE, cURus, UR-55°C ~ 125°C200kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)1.218" Dia x 3.625" L (30.94mm x 92.08mm)
L50QS125.V
L50QS125.V
FUSE CRTRDGE 125A 500VAC/VDC
Littelfuse Inc.
 10 $77.69
POWR-SPEED™ L50QS Box ActiveBolt MountCartridge125A500 V500 VFast BlowSemiconductors--CE, cURus, UR-55°C ~ 125°C200kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)1.218" Dia x 3.625" L (30.94mm x 92.08mm)
L50QS175.V
L50QS175.V
FUSE CRTRDGE 175A 500VAC/VDC
Littelfuse Inc.
 6 $78.62
POWR-SPEED™ L50QS Box ActiveBolt MountCartridge175A500 V500 VFast BlowSemiconductors--CE, cURus, UR-55°C ~ 125°C200kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)1.218" Dia x 3.625" L (30.94mm x 92.08mm)
L70QS035.V
L70QS035.V
FUSE CARTRIDGE 35A 700VAC/700VDC
Littelfuse Inc.
 8 $79.12
POWR-SPEED™ L70QS Box ActiveBolt MountCartridge35A700 V700 VFast BlowSemiconductors--CE, cURus, UR-55°C ~ 125°C200kA AC, 50kA DCCylindrical, Blade Terminal (Bolt)1.000" Dia x 4.375" L (25.40mm x 111.13mm)