Portable Type Fault Passage Indicator is an instrument for indicating the passage of fault current in overhead 11 KV and 33 KV power lines. The Indicator has auto battery test facility, bright red flag alarm and has sensitivity switch. The Indicator reduces need for line patrols, aid to identifying faulty cable sections in OHL networks and helps to indicate OHL transformer winding faults. The Indicator is used by operator at ground level and has integral and factory changeable lithium battery up to 10 years life. The Portable Type Fault Passage Indicator has light weight and is portable, reliable and robust and responds to phase/ earth and phase/ phase fault.
