Ferraz Shawmut Class L A4BQ Fuses Are Used For Service Entrance Equipment.
Ferraz Shawmut Class L A4BQ Fuses provide maximum protection against short circuit let-thru current. The 4-second time delay characteristic accommodates harmless inrush currents with no-nuisance opening. Fuses are non-indicating and are made for indoor use. 10.7562" in length. 600V. Amperage ranges from 800 up to 2000.