Straight Panel Mount Connectors Industry standard 3 way panel mount connectors. Precision construction assures low noise and high reliability in low level circuits. Mated connectors are secured by a latch which prevents accidental disengagement. Will mate with other 3 way AXR/XLR compatible connectors. They have tin plated beryllium copper contacts. Suitable hole cutters are stock no. 543-579 and stock no. 543-591 Max. working voltage 120V a.c. and contact rating 15A.