With a press-through membrane, the D opening is pre-embossed but closed initially.
Choke seal for screwing into metric threads according to IEC 423.
With self-sealing taper at the end of the thread, which means that a connecting thread sealing ring is not required.
Achievable degree of protection with careful installation: IP54.
With a press-through membrane, the D opening is pre-embossed but closed initially.