Universal air heat resistant fuze AVU-ETMA with electrical and mechanical starting devices is intended for high-explosive, fragmentation high-explosive, high-explosive incendiary, incendiary air-bombs and incendiary containers. The fuse is fitted into nose or base fuse threaded filling holes.
The fuze provides point detonating and inertia action, ignition SQ and two delay modes. Fuze AVU-ETMA completes the following types of air bombs: OFAB-100-120 OFAB-250-270 FAB-500M-62
The fuze is safe in storage, handling and operation and ensures the safe and reliable function of the ammunition in all weather conditions.