| PartNumber | 01550120ZXA | 01550120HXU | 01550120ZXU |
| Description | Fuse Holder Inline 20A assembled | Fuse Holder 20A ACS Inline Unassembled | Fuse Holder Inline 20A unass- embled |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | Fuse Holder | Fuse Holder | Fuseholders |
| RoHS | Y | Y | - |
| Series | 155 | 155 | 155 |
| Product | Fuse Holders | - | Fuse Holders |
| Mounting Style | In-Line | - | In-Line |
| Number of Poles | 1 Pole | - | 1 Pole |
| Current Rating | 20 A | - | 20A |
| Voltage Rating | 32 V | - | 32 V |
| Shaft Type | Twist Lock | - | Twist Lock |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 75 C | - | - |
| Packaging | Bulk | Bulk | Bulk |
| Color | Black | - | Black |
| Illumination | Not Illuminated | - | Not Illuminated |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Fuse Holders | Fuse Holders | - |
| Factory Pack Quantity | 100 | 100 | - |
| Subcategory | Fuses | Fuses | - |
| For Use With Related Products | - | - | SFE-20 |
| Termination Style | - | - | Crimp |
| Operating Temperature Range | - | - | - 40 C to + 75 C |
| Mounting Type | - | - | Free Hanging In Line |
| Number of Circuits | - | - | 1 |
| Voltage | - | - | 32V |
| Fuse Type | - | - | Cartridge |
| Fuseholder Type | - | - | Holder |
| Fuse Size | - | - | 1/4" Dia x 1-1/4" L (6.35mm x 31.8mm) |
| Orientation | - | - | - |
| Contact Material | - | - | Brass |
| Contact Finish | - | - | Nickel |