German MC4 Military Spec connectors, Female connector pin:
Specs & Features:
Diameter Ø 4 mm
Rated current max. 30 A
System voltage max. 1000 V
Degree of protection, connected IP67
Easy installation
Locking system "Snap in"
Protection class II
Temperature range -40°C to +90°C
TÜV Rheinland – type approved