The BM04B-PASS-1-TFT(LF)(SN) is a 4-contact 1-row 2mm pitch Wire-to-board Crimp Connector, 3A, 250VADC rated. This PA series disconnectable Connector is made of tin plated copper contact, top and top entry PC board mounting directions here the housing has a secured locking device to prevent accidental disconnection because of routing wires or of vibration and also reverse and different circuit numbers mating and applicable to 22AWG wire gauge.