EECTECH Discharge Tubes/Surge Arresters 【Three-electrode】
MODEL	DC striking voltage V	Surge striking voltage V(1kv/μS)	Insulation resistance   Ω	Alternating discharge current A (T= times)	Impulse discharge current KA (8/20μS) (T= times)	Transverse voltage V	Inter-electrode capacitance PF	Impulse Transverse voltage μS (1kv/μS)
Three-electrode ceramic discharge tubes/surge arresters
E3R-90T	90±20	≤800	≥109	20A 1S 10T	10KA 10T	≤45	≤5	≤0.2
E3R-250T	250±50	≤900	≥109	20A 1S 10T	10KA 10T	≤45	≤5	≤0.2
E3R-350T	350±70     50	≤1000	≥1090	20A 1S 10T	10KA 10T	≤45	≤5	≤0.2
E3R-470T	470±90     70	≤1100	≥109	20A 1S 10T	10KA 10T	≤45	≤5	≤0.2
E3R-600T	600±120     90	≤1200	≥109	20A 1S 10T	10KA 10T	≤45	≤5	≤0.2
E3R-800T	800±160     120	≤1500	≥109	20A 1S 10T	10KA 10T	≤45	≤5	≤0.2
E3R-1400T	1400±300	≤2500	≥109	20A 1S 10T	10KA 10T	≤45	≤5	≤0.2
E3R-90TA	90±20	≤900	≥1090	5A 1S 5T	5KA 5T	≤45	≤3	≤0.2
E3R-120TA	120±25	≤900	≥109	5A 1S 5T	5KA 5T	≤45	≤3	≤0.2
E3R-230TA	230±30	≤900	≥109	5A 1S 5T	5KA 5T	≤45	≤3	≤0.2
E3R-250TA	250±50	≤900	≥109	5A 1S 5T	5KA 5T	≤45	≤3	≤0.2
E3R-300TA	300±60	≤900	≥1090	5A 1S 5T	5KA 5T	≤45	≤3	≤0.2
E3R-350TA	350±70	≤1000	≥109	5A 1S 5T	5KA 5T	≤45	≤3	≤0.2
E3R-600TA	600±150     90	≤1200	≥109	5A 1S 5T	5KA 5T	≤45	≤3	≤0.2