GS Switch Fuse Disconnectors TeSys GS switch-disconnector-fuses provide on-load breaking or making, safe isolation and overcurrent protection of all low voltage electrical circuit Can be used with NFC, DIN and BS fuses Upstream and downstream breaking of fuses for all ratings Conditional short-circuit withstand voltage of 100 kA for all ratings Fuse covers are fitted as standard on all ratings for protection of accidental contact IP20 protection with terminal shrouds Compact Handles are included in this range, available in Black or Red, IP65 Standards IEC 60947-3