The second to largest SB housings work with wire contacts up to 1/0 AWG [50 mm²] as well as busbar contacts. Genderless design mates with itself. Mechanical keys are color coded. Silver Plated Wire Contacts up to 1/0 (50 mm²) Allows UL rated currents up to 280 amps Chemical Resistant Housing Option Extends temperature range down to -40°C, while offering enhanced UV and chemical resistance UL Rated for Hot Plugging up to 100 Amps Great for battery or other applications where the ability to interrupt circuits is required Wire, PCB, and Busbar Contacts Brand: Pro-Series