OVERVIEW: The SET-65M Enot-2 is a heavyweight, submarine-launched, electric-powered torpedo developed by the Soviet Union for anti-submarine warfare. It features active/passive acoustic homing and was intended to replace earlier SET-series torpedoes in submarine arsenals.

DETAILS: "SET" stands for "Samonavodyashchayasya Elektrotorpeda" (self-guided electric torpedo), "65M" designates the modernized version of the 1965 baseline, and "Enot-2" is the development name; NATO designated it ET-80A[76]. The SET-65M was introduced to provide improved detection and engagement of submerged targets, using upgraded sonar electronics, more efficient propulsion, and increased operating depth. It is launched from 533 mm torpedo tubes and powered by a silver-zinc battery, with enhanced seeker logic for better tracking and resistance to jamming. The design allowed for integration into Soviet and allied diesel-electric submarines from the 1970s onward.

TYPE: Heavyweight Anti-Submarine Guided Torpedo

FUNCTION: Once launched from a submarine’s 533 mm torpedo tube, the SET-65M activates its onboard acoustic seeker to detect, track, and engage enemy submarines using active or passive sonar. It is suited for ASW operations in both deep ocean and littoral zones, particularly in environments with sonar countermeasures or thermal gradients.

NOTE:
IOC: 1965 (SET-65), 1973 (SET-65M / Enot-2)
Manufacturer: Soviet Union (Gidropribor, Russia)
Operators: Soviet Union, India
Platforms: Foxtrot-class submarine, Kilo-class submarine

SOURCE:
Jane’s Naval Weapon Systems ; Federation of American Scientists (FAS): https://man.fas.org/dod-101/sys/ship/weaps/index.html ; GlobalSecurity.org: https://www.globalsecurity.org/military/world/russia/set-65.htm ; Military-Today: https://www.military-today.com/navy/set_65.htm ; Wikipedia: https://en.wikipedia.org/wiki/SET-65_torpedo