KEKOVARICONTUBE ZnO VARISTOR DESCRIPTION • Patented • Tubular varistor allows increasing the active surface area (approximately 600 cm2), even in the most severe operating conditions varistor is the specific load surface area within the limits provided by the technical base line. • Price competitive. • Technical characteristics were confirmed by informal tests. FEATURES Model size available • Diameter 10-200 mm • Operating voltage range Vrms 150V to 680V • Operating voltage range Vdc 200V to 900V • Operating temperature +85C • Broad range of current and energy handling capabilities • Lead free components On customer request also available other dimension size and operating voltage. APPLICATION FIELDS • wireless networks • wind and solar power plants • defense facilities, airports, and • other critical industrial networks TEST EXAMPLE: Tube varistor Protection class Class 1 Nominal operating AC voltage (U) 277V Max continuous operating AC voltage (U) 520V Impulse discharge current 10/350 27-30kA (10x) Impulse discharge current 8/20 More than _200kA Dimensions outer Diameter (for tested model) 60mm Dimensions inner Diameter (for tested model) 51 mm Dimensions Height (for tested model) 100mm Weight (for tested model) 0,6kg • Tube varistor with size: diameter 60mm, height 100mm (cca180cm2) has passed 10x 27,5kA (surge current wave 10/350) and the test according to EN 50539-11. This product protect applications from electrical damage caused by lightning surges and electrical over voltage events.

KEKO VARICON D.O.O. - GRAJSKI TRG15, SI-8360 - ZUZEMBERK, SLOVENIA - T: +386 7 3885-178 - F: +386-7-3885-158