Melbye PST600-0858 is an insulating rod (type T 600-0858) for use with POLAR WHITE-series phase testers on 12 and 24 kV networks, nominal 34.5 kV rating, 762 mm overall length and 36 mm diameter. The rotation-secured plug connector is rated for live-line work and is suitable for use in precipitation, indoor or outdoor. It is a service item for medium-voltage switching operations.