Aircraft, helicopter battery receptacle MS3509.

high current, high voltage DC connectors made by Aircraftplugs in Belgium

 

Sleeves are solid copper, silver plated. With solenoid pin.

 

Corrosion proof.  Mates with  MS25182-2 connector.

 

Cable assemblies manufactured to customer requirements.

 

Hardness 13800psi.

 

Glass transition temperature of about 150 °C.

 

Average change in Resistance after 100 dry cycles: < 2µΩ.

 

Maximum 1600A based on the resistance this would give less than a .1V drop per contact.