Mersen NRN (250V) and NRS (600V) fuses are standard non-time delay fuses, with a 10kA short circuit rating. 250 Volt NRN15 through NRN60 fuses are certified as Type “P” fuses, satisfying the Canadian Electrical Code for low melting-point non-time delay fuses. Also qualifying for Type “P” are OTN15 through OTN60, which are Class K-5 fuses with a 50kA short circuit rating (found in the OT/OTS fuse section).
Specifications
| Brand Name | Ferraz Shawmut | Item Name | Canadian Fuse |
| Type | Non Time-Delay | Voltage Rating | 600 VAC |
| Amperage Rating | 20 A | Interrupt Rating | 10 kA |
| Fuse Class | Class H | Mounting Type | Clip |
| Standards | CSA File Number 1421-01 | UPC | 068938830588 |
