The Gould Shawmut Ferraz Shawmut Trionic ATS-DE400 Fuse, model ATS-DE400 (also listed as ATSDE400), is a protective electrical fuse designed to interrupt current during fault or overload conditions. It belongs to the Gould Shawmut, Ferraz Shawmut, Trionic family of fuses, providing circuit protection by acting as a replaceable link in the electrical path. The ATS-DE400 designation identifies this component within the Trionic lineup.
