| PartNumber | 01550304ZXA | 01550303ZXA | 01550300Z |
| Description | Fuse Holder Inline | Fuse Holder Inline | Fuse Holder Inline |
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | Fuseholders | Fuseholders | Fuseholders |
| For Use With Related Products | ATC, ATO | ATC, ATO | ATC, ATO |
| Color | Black | Black | Black |
| Series | 155 | 155 | 155 |
| Product | Fuse Holders | Fuse Holders | Fuse Holders |
| Packaging | Bulk | Bulk | Bulk |
| Mounting Style | In-Line | In-Line | In-Line |
| Number of Poles | 1 Pole | 1 Pole | 1 Pole |
| Current Rating | 4A | 3A | 20A |
| Termination Style | Wire Leads | Wire Leads | Wire Leads |
| Voltage Rating | 32 V | 32 V | 32 V |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Mounting Type | Panel Mount | Panel Mount | Panel Mount |
| Number of Circuits | 1 | 1 | 1 |
| Voltage | 32V | 32V | 32V |
| Illumination | Not Illuminated | Not Illuminated | Not Illuminated |
| Fuse Type | Blade | Blade | Blade |
| Fuseholder Type | Holder | Holder | Holder |
| Fuse Size | 0.75" L x 0.2" W x 0.74" H (19.1mm x 5.1mm x 18.8mm) | 0.75" L x 0.2" W x 0.74" H (19.1mm x 5.1mm x 18.8mm) | 0.75" L x 0.2" W x 0.74" H (19.1mm x 5.1mm x 18.8mm) |
| Orientation | - | - | - |
| Contact Material | Brass | Brass | Brass |
| Contact Finish | Tin | Tin | Tin |