Micro-Fit 3.0 Power Connectors and Crimp Contacts - TruConnect 22-3601, This free receptacle with 4 ways is from the Micro-Fit 3.0 interconnection system which incorporates many of the features previously found on larger power connectors. These 3mm pitch connectors carry up to 5A of current. Micro-Fit products are appropriate for both power and signal uses and have been designed for high-density applications which require press-fit headers.Crimp contacts can be used to terminate to cables in sensitive areas where the use of solder joints are not permitted, for example in certain restricted aerospace applications. The crimp male power contacts can accommodate cable sizes of between 18AWG to 24AWG with current ratings up to 5A, depending on wire size. The contacts are fully interchangeable with solder contacts. TruConnect 4 Way Microfit Free Receptacle