The PCE 9434152 is a 16A 5-pin 6h 400V diagnostic plug featuring multiple built-in LED indicators for comprehensive testing of three-phase industrial power connections. Designed for professionals it provides real-time diagnostics of rotating field direction phase presence neutral and earth continuity. Lightweight and easy to use this tool is essential for electricians working on CEE installations in workshops construction sites or industrial settings. Rotary field direction indication Phase conductor presence check Neutral conductor continuity check Protective earth conductor continuity check Bright LED status display IP20 ingress protection Durable and lightweight design