The SIBA 2071832.500 semiconductor protection fuse is a 690 V, 500 A device designed to shield power electronics and motor drives in industrial applications. As part of SIBA’s URS family, it carries an aR (arc-rated) class designation in the SQB1 industrial envelope, providing robust semiconductor protection in demanding fault conditions. This version is intended for 690 VAC circuits and aligns with other URS fuses in the 500 A, 690 V range, commonly deployed to safeguard inverter and rectifier equipment in control panels and industrial drives.
