RES-9, RES-22, and RES-47 Relays: Vintage sealed electromagnetic relays commonly found in legacy USSR electronics, test equipment, and military surplus.

RP-3 (RPZP) Starting Relays: Vintage 1.4-amp starting components historically used in Soviet household appliances like Minsk refrigerators. [1]

REK-60 and REK-80 Series: Sealed, non-polarized high-reliability relays used in precision instrumentation and specialized communication boards.

Control & Protection Relays: Discontinued industrial control modules from legacy series (such as REV, RE, and REM) requiring specialized cross-referencing or specialized refitting