EECTECH Discharge Tubes/Surge Arresters 【Three-electrode】
MODEL
DC striking
voltageV
Surge striking
voltageV(1kv/μS)
Insulation resistance
ΩAlternating discharge
currentA (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