This is a fuse from ETI Polam. It is a 32 Amp, 690 VAC (Volt Alternating Current) ceramic, industrial NH00C design with a "WT-NH" UL rating. It can be used with a wide range of electrical equipment and applications, such as motors, pumps, wiring, lighting, and other circuits. The fuse can be used in applications ranging from residential to industrial, and can help protect equipment from damage caused by overcurrents.