High-Voltage Fuse Holders and Blocks
Littelfuse's high-voltage 254, 354, 356, 359, 520, 150 HV, and 345 HV series of fuse blocks and holders in miniature form factors
These higher-voltage fuse blocks and holders from Littelfuse offer the same miniature form factors as the lower-voltage versions, which eliminates the need to compromise on size to get higher voltage performance.
View Important Application Association
Fuse Blocks, Fuse Holders, and Fuse Clips (HBC)
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150 HV Series - Free Hanging In-Line (600 VAC)
| Image | Manufacturer Part Number | Description | Fuse Type | Voltage | Contact Material | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | 01500603Z | FUSE HOLDER CART 600V 20A INLINE | Cartridge | 600V | Brass | 6323 - Immediate 400 - Factory Stock | $20.75 | View Details |
254 Series - OMNI-BLOCK® Fuse Blocks (400 VAC)
| Image | Manufacturer Part Number | Description | Fuse Type | Voltage | Contact Material | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | 02540101Z | FUSE BLOK CARTRIDGE 300V 10A PCB | Cartridge | 400V | Spring Brass | 9537 - Immediate | $2.98 | View Details |
![]() | ![]() | 02540001Z | FUSE BLOCK CART 300V 10A CHASSIS | Cartridge | 400V | Spring Brass | 84 - Immediate | $3.33 | View Details |
![]() | ![]() | 02540201Z | FUSE BLOCK CART 300V 10A CHASSIS | Cartridge | 400V | Spring Brass | 541 - Immediate | $3.33 | View Details |
![]() | ![]() | 02540002Z | FUSE BLOCK CART 300V 10A CHASSIS | Cartridge | 400V | Spring Brass | 0 - Immediate | See Page for Pricing | View Details |
![]() | ![]() | 02540121Z | FUSE BLOK CARTRIDGE 400V 10A PCB | Cartridge | 400V | Beryllium Copper | 324 - Immediate | $6.42 | View Details |
354 Series - OMNI-BLOCK® Fuse Blocks (600 VAC)
| Image | Manufacturer Part Number | Description | Fuse Type | Voltage | Contact Material | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | 03540101ZXGY | FUSE BLOCK CART 600V 15A PCB | Cartridge | 600V | Phosphorus Bronze | 8389 - Immediate | $2.98 | View Details |
![]() | ![]() | 03540801ZXGY | FUSE BLOCK CART 600V 20A CHASSIS | Cartridge | 600V | Phosphorus Bronze | 6821 - Immediate | $2.85 | View Details |
![]() | ![]() | 03540001ZXGY | FUSE BLOCK CART 600V 30A CHASSIS | Cartridge | 600V | Phosphorus Bronze | 14071 - Immediate | $2.85 | View Details |
![]() | ![]() | 03540821ZXBL | FUSE BLOCK CART 600V 20A CHASSIS | Cartridge | 600V | Phosphorus Bronze | 1809 - Immediate | $2.96 | View Details |
![]() | ![]() | 03540803ZXGY | FUSE BLOCK CART 600V 20A CHASSIS | Cartridge | 600V | Phosphorus Bronze | 828 - Immediate | $8.15 | View Details |
356 Series - Fuse Blocks (600 VAC)
| Image | Manufacturer Part Number | Description | Fuse Type | Voltage | Contact Material | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | 03560001Z | FUSE BLOCK CART 250V 15A CHASSIS | Cartridge | 600V | Spring Brass | 82 - Immediate | $13.71 | View Details |
![]() | ![]() | 03560010Z | FUSE BLOCK CART 250V 15A CHASSIS | Cartridge | 600V | Spring Brass | 0 - Immediate | $106.36 | View Details |
![]() | ![]() | 03560002Z | FUSE BLOCK CART 250V 15A CHASSIS | Cartridge | 600V | Spring Brass | 0 - Immediate | $25.36 | View Details |
![]() | ![]() | 03560008Z | FUSE BLOCK CART 250V 15A CHASSIS | Cartridge | 600V | Spring Brass | 0 - Immediate | $86.36 | View Details |
![]() | ![]() | 03560012Z | FUSE BLOCK CART 250V 15A CHASSIS | Cartridge | 600V | Spring Brass | 0 - Immediate | $125.19 | View Details |
359 Series Fuse Blocks 600 VAC
| Image | Manufacturer Part Number | Description | Fuse Type | Voltage | Contact Material | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | 03590001Z | FUSE BLOCK CART 250V 30A CHASSIS | Cartridge | 600V | Beryllium Copper | 3 - Immediate | $18.27 | View Details |
![]() | ![]() | 03590002Z | FUSE BLOCK CART 250V 30A CHASSIS | Cartridge | 600V | Beryllium Copper | 0 - Immediate | $32.36 | View Details |
![]() | ![]() | 03590004Z | FUSE BLOCK CART 250V 30A CHASSIS | Cartridge | 600V | Beryllium Copper | 0 - Immediate | $56.27 | View Details |
520 Series - OMNI-BLOCK® Fuse Blocks (600 VAC)
| Image | Manufacturer Part Number | Description | Fuse Type | Voltage | Contact Material | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | 05200101Z | FUSE BLOK CARTRIDGE 600V 10A PCB | Cartridge | 600V | Brass | 11474 - Immediate | $3.33 | View Details |
![]() | ![]() | 05200004Z | FUSE BLOCK CART 600V 10A CHASSIS | Cartridge | 600V | Brass | 6669 - Immediate | $3.55 | View Details |
![]() | ![]() | 05200003Z | FUSE BLOCK CART 600V 10A CHASSIS | Cartridge | 600V | Brass | 1743 - Immediate | $3.50 | View Details |
![]() | ![]() | 05200005ZXGY | FUSE BLOCK CART 600V 10A CHASSIS | Cartridge | 600V | Brass | 807 - Immediate | $3.55 | View Details |
345 HV Series - PCB and Panel Mount (600 VAC)
| Image | Manufacturer Part Number | Description | Fuse Type | Voltage | Contact Material | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | 03450101H | FUSE HLDR CARTRIDGE 600V 15A PCB | Cartridge | 600V | Brass | 3997 - Immediate | $11.80 | View Details |
![]() | ![]() | 03450121H | FUSE HLDR CARTRIDGE 600V 16A PCB | Cartridge | 600V | Brass | 1869 - Immediate | $13.56 | View Details |
![]() | ![]() | 03450613H | FUSE HLDR CART 600V 20A PNL MNT | Cartridge | 600V | Brass | 0 - Immediate | $10.25 | View Details |
![]() | ![]() | 03450621H | FUSE HLDR CART 600V 20A PNL MNT | Cartridge | 600V | Brass | 212 - Immediate | $12.37 | View Details |
![]() | ![]() | 03450623H | FUSE HLDR CART 600V 20A PNL MNT | Cartridge | 600V | Brass | 609 - Immediate | $12.37 | View Details |





























