Plug for flameproof plug sockets type TZWO-4, TZWO-41

Plug for flameproof plug sockets type TZWO-4, TZWO-41 
The plug is intended for flameproof plug sockets type TZWO-4, TZWO-41, which are built on battery boxes type SBS-5, SBS-5A and intended for connecting battery batteries with locomotives powered by them Ldag-05 and with rectifiers. The plugs for the flameproof plug sockets type TZWO-4, TZWO-41 are made in four versions.
For one socket type TZWO-4 or TZWO-41 you need a set of four plugs in versions 1 to 4.