Brand name(s) : Anderson Power Products (APP)
Manufacturer part# for housing : SB50A

Current/Voltage rating : 50A @ 600V (CSA)
Wire guage for pins : 6awg

Multipole Connector, self mating (same connector for both sides of connection)

Features

Genderless Housings
Provide simplified assembly and minimize the number of components

Low Resistance
Silver plated copper contacts inside housings that strongly force the contacts together

Hot Plugging AC or DC Contacts feature a sacrificial tip that allows high current circuit interrupt

Keyed & Color Coded Housings Prevents accidental cross mating of circuits

Self Securing Design
Steel springs create a robust force between the contacts that holds the connector in the mated position
For signal transmission or the added safety of a premate ground position