The Devices are being used with Electronic Fuze to provide mechanical safeties in addition to electronic safety. Safe & Arming Mechanism is in use with Electronic Fuzes for 155 mm 52 Calibre Artillery Shell. The Device has double detent safety and delay is accomplished through Clock-work Gear Mechanism.

Safe & Arming Mechanism is used in Electronic Fuze for medium calibre 40 mm Anti-aircraft ammunition and it provides mechanical safety to ammunition, in addition to electronic safety. Miniature in size, the gear pinion and sector gear assembly is housed in between a number of brass plates having suitable recesses. Set back forces allows gear train to function which provides required delay in arming of the Fuze for muzzle and troop safety.

Safe & Arming Mechanism