| PartNumber | 03450621HX020 | 03450621X | 03450621H |
| Description | Fuse Holder Shock Safe Knob Assembly | Fuse Holder Shock Safe ACS | Fuse Holder Shock Safe |
| Manufacturer | Littelfuse | - | Littelfuse Inc. |
| Product Category | Fuse Holder | - | IC Chips |
| RoHS | Y | - | - |
| Series | 345 | - | 345 |
| Product | Fuse Holders | - | Fuse Holders |
| Type | Shock Safe | - | Shock Safe |
| Mounting Style | Panel | - | Panel |
| Number of Poles | 1 Pole | - | 1 Pole |
| Current Rating | 10 A | - | 20A |
| Voltage Rating | 250 V | - | 250 V |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Bulk | - | Bulk |
| Brand | Littelfuse | - | - |
| Product Type | Fuse Holders | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Fuses | - | - |
| For Use With Related Products | - | - | 5mm x 20mm |
| Color | - | - | Black |
| Termination Style | - | - | Quick Connect - 0.187" (4.7mm) |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Mounting Type | - | - | Panel Mount |
| Number of Circuits | - | - | 1 |
| Voltage | - | - | 300V |
| Illumination | - | - | Not Illuminated |
| Fuse Type | - | - | Cartridge |
| Fuseholder Type | - | - | Holder |
| Fuse Size | - | - | 5mm x 20mm |
| Orientation | - | - | - |
| Contact Material | - | - | Brass |
| Contact Finish | - | - | Tin |
| Shaft Type | - | - | Screwdriver Release |