Mersen PT fuses are current-limiting fuses with high interrupting rating, used for the primary winding protection of potential transformer. They are small dimension ferrule type fuses and mount in standard clips. Current ratings are from 0.25A to 5A
Specifications
| Brand Name | Ferraz Shawmut | Item Name | Potential Transformer Fuse |
| Type | Current Limiting | Voltage Rating | 5500 V |
| Amperage Rating | 1 A | Interrupt Rating | 63 kA |
| Mounting Type | Clip | Terminal Connection | Ferrule |
| Indication | Visual | Contact Material | Copper |
| Construction | Epoxy | Temperature Rating | 80 °C |
| Application | Primary protection for potential transformers or control power transformers | UPC | 782001397951 |
