TLS Telecommunications Fuses

Littelfuse TLS Telecommunications Fuses are engineered to operate up to 170VDC, delivering current-limiting short-circuit protection for cables and components used in the DC power distribution circuits of telecommunications systems. The TLS series has a 100kA interrupting rating and provides a quick response to short-circuit events. Littelfuse TLS Telecommunications Fuses are available in a wide range of mounting configurations, including cartridge, vertical, leaded, bolt-in, or solder type. These multiple mounting options, combined with a compact design, enable use in a variety of applications.

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Qty. RoHS ECAD Model Series
Product
Body Style
Current Rating
Voltage Rating DC
Interrupt Rating
Mounting Style
Termination Style
Fuse Type
Fuse Size/Group
Indicator Style
Packaging
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
3In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 60 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Vertical Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 15A 170VDC
Datasheet
22In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 15 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
60In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 20 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Vertical Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 40A 170VDC
Datasheet
8In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 40 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
10In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 40 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Vertical Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170V VCD TELE-GARD 125A
Datasheet
20In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 125 A 170 VDC 100 kA at 170 VDC Through Hole Radial Blade Bend Fast Blow 14.3 mm x 22.28 mm Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC F/A TELECOM 60A PCB MOUNT
Datasheet
400In Stock
Min.: 10
Mult.: 10

TLS Specialty Fuses Cartridge Blade Fuses 60 A 170 VDC 100 kA at 170 VDC Through Hole Radial Blade Bend Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170VDC F/A TELEGARD 80A VERT-MOUNT
Datasheet
25In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 80 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Vertical Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 100A 170VDC
Datasheet
51In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 100 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
6In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 40 A 170 VDC 100 kA at 170 VDC Through Hole Radial Blade Bend Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
20In Stock
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 60 A 170 VDC 100 kA at 170 VDC Through Hole Radial Blade Bend Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC F/A TELE-GRD 80A PCB MOUNT
Datasheet
10In Stock
Min.: 1
Mult.: 1
TLS Specialty Fuses Cartridge Blade Fuses 80 A 170 VDC 100 kA at 170 VDC Through Hole Radial Blade Bend Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
7On Order
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 40 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
40Expected 2/19/2026
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 60 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170VDC F/A TELEGARD 100A VERT-MOUNT
Datasheet
1 830Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 100 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Vertical Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
500Factory Stock Available
More Info Available
Min.: 500
Mult.: 500

TLS Specialty Fuses Cartridge Blade Fuses 20 A 170 VDC 100 kA at 170 VDC Through Hole Radial Blade Bend Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 25A 170VDC
Datasheet
638Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 25 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 50A 170VDC
Datasheet
137Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 50 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
4Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Blade Fuses 50 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Vertical Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 80A 170VDC
Datasheet
360Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 80 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170VDC 80A Telegard F/A Bolt On
Datasheet
1 180Factory Stock Available
More Info Available
Min.: 500
Mult.: 500

TLS Specialty Fuses Cartridge Blade Fuses 80 A 170 VDC 100 kA at 170 VDC Stud Bolt Down Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 90A 170VDC
Datasheet
230Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 90 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 125A 170VDC
Datasheet
9Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 125 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 170 VDC TELECOM FUSE
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 500
Mult.: 500

TLS Specialty Fuses Cartridge Blade Fuses 70 A 170 VDC 100 kA at 170 VDC Through Hole Radial Blade Bend Fast Blow Without Indicator Bulk
Littelfuse Specialty Fuses 1A 170VDC
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

TLS Specialty Fuses Cartridge Fuses 1 A 170 VDC 100 kA at 170 VDC Holder Clip Fast Blow Without Indicator Bulk