HIGH VOLTAGE INC VLF THUMPER, Built in VLF Hipot for Cable Testing per IEEE 400.2, VDE 0276, CENELEC, etc THUMPER Input: 120 V, 60 Hz, 10 A (F): 230 V, 50/60 Hz, 5 A Hipot Output: 0 33 kV AC peak @ 0.1 Hz Load Capability: 1 µFcan test more than 1 mile (1.6 km) of 15 kV and 25 kV cable Discharge Output: 0 13 kV DC @ 760 J Discharge Rate: Every 8 seconds VLF Burner: Arcs cable every few seconds to reduce fault voltage TDR Interface: Internal arc reflection and current impulse Size and Weight: (W x D x H) 28 x 26 x 44 in., 245 lb. 711 x 660 x 1118 mm, 111 kg Output Termination: 50/15 m shielded HV cable and ground