Ferraz Shawmut NRS NRS20 Standard Fuse, 20 A, 600 VAC, 10 kA Interrupt, Paper Body, Type P, Non-Time Delay Fuse

Mersen NRN (250 V) and NRS (600 V) fuses are standard non-time delay fuses, with a 10 kA short circuit rating. 250 V 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 50 kA short circuit rating (found in the OT/OTS fuse section).