2343403-1 is a LUMAWISE Endurance S keyed receptacle designed for Zhaga Book 18 compliant street light dimming and control applications. This receptacle features Key A keying configuration and comes in black color, including a sealing ring, washer, and nut for secure installation. The connector system supports low voltage DALI-controlled sensor-ready street lighting applications with 4-pin functionality including +24V power supply, DALI protocol connections, and general digital I/O. Rated to IEC61984 and UL773 standards with CB certification, this receptacle provides reliable protection and interconnection between luminaire and control modules in outdoor lighting environments.