Phoenix Contact Test Connector Adapter, ST Series - 3030925 This test adapter works harmoniously with DIP sockets, a great solution for small and compact designs. Phoenix's test adapter as also a good pair with PS test jacks and safety test jacks. Features & Benefits • Reliable contacting of test plugs with a 4 mm diameter within the function shaft
• The test adapter facilitates and accommodates safety test plugs with a diameter of 4 mm
• Outside diameter is small on the test socket, this means that touch-proof safety plugs can also be used
• Grey in colour with copper material
• Touch proof against unintentional direct contact Please note: Do not plug in while the power is connected