Time controller STP-541, programmable, "right-left", 4-time, 2 × 1P, I = (2 × 16A), 24 ÷ 264V AC/DC, 2 modules

The STP-541 timer, "RIGHT-LEFT" operation, mounted on a TH-35 rail.
Application:
it is used to control technological processes in industrial automation systems where there is a need for temporary, cyclic, alternating switching of receivers with forced, temporary breaks between consecutive connections.