3 pole female XLR receptacle, grounding: mating connector shell to pin 1 and front panel, horizontal PCB mount. Most cost-effective round plastic body XLR PCB mount panel connector. Front panel cutout and PCB layout 100% compatible to A series. "Tulip" type contact design with high contact pressure for highest durability. With the asymmetric push an additional space saving of appr. 20 % can be achieved. Flammability rating UL94HB. UL recognized component.