EECTECH Discharge Tubes/Surge Arresters 【Two-electrode】
MODEL
DC striking
voltageV
Surge striking
voltageV (1kv/μS)
Insulation resistance
ΩAlternating discharge current
A (T= times)
Impulse discharge current
KA (8/20μS)(T= times)
Inter-electrode capacitance
PF
Two-electrode ceramic discharge tubes/surge arresters
ER-70T
70±20
≤800
>1010
20A 1S 10T
20KA 10T
≤3
ER-90K
90±20
≤900
≥1010
20A 1S 10T
20KA 10T
≤3
ER-120K
120±30
≤900
≥1010
20A 1S 10T
20KA 10T
≤3
ER-230K
230±40
≤900
≥1010
20A 1S 10T
20KA 10T
≤3
ER-250K
250±50
≤900
≥1010
20A 1S 10T
20KA 10T
≤3
ER-300K
300±50
≤1000
≥1010
20A 1S 10T
20KA 10T
≤3
ER-350K
350±70
50≤1000
≥1010
20A 1S 10T
20KA 10T
≤3
ER-400K
400±70
50≤1100
≥1010
20A 1S 10T
20KA 10T
≤3
ER-500K
500±80
≤1200
≥1010
20A 1S 10T
20KA 10T
≤3
ER-600K
600±120
90≤1200
≥1010
20A 1S 10T
20KA 10T
≤3
ER-700K
700±100
≤1400
≥1010
20A 1S 10T
20KA 10T
≤3
ER-800K
800±120
≤1500
≥1010
20A 1S 10T
20KA 10T
≤3
ER-900K
900±140
≤1500
≥1010
20A 1S 10T
20KA 10T
≤3
ER-1000K
1000±120
≤1800
≥1010
20A 1S 10T
20KA 10T
≤3
ER-1600K
1600±300
240≤2800
≥1010
20A 1S 10T
20KA 10T
≤3
Small two-electrode ceramic discharge tubes/surge arresters
ER-70TA
70±20
≤650
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-90TA
90±20
≤800
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-120TA
120±30
≤900
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-175TA
175±30
≤900
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-230TA
230±40
≤900
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-250TA
250±50
≤900
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-300TA
300±50
≤900
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-350TA
350±70
≤1000
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-440TA
440±100
≤1100
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-600TA
600±150
90≤1200
≥5 X 109
5A 1S 5T
5KA 5T
≤3
ER-800TA
800±160
120≤1500
≥5 X 109
5A 1S 5T
5KA 5T
≤3
Ultra-small two-electrode ceramic discharge tubes/surge arresters
ER-90TB
90±20
≤900
≥109
2.5A 1S 5T
2.5KA 5T
≤3
ER-120TB
120±30
≤900
≥109
2.5 A 1S 5T
2.5KA 5T
≤3
ER-175TB
175±30
≤900
≥109
2.5 A 1S 5T
2.5KA 5T
≤3
ER-230TB
230±40
≤900
≥109
2.5 A 1S 5T
2.5KA 5T
≤3
ER-300TB
300±50
≤900
≥109
2.5 A 1S 5T
2.5KA 5T
≤3
ER-400TB
400±80
≤1000
≥109
2.5 A 1S 5T
52.5KA5T
≤3
ER-500TB
500±100
≤1100
≥109
2.5 A 1S 5T
2.5KA 5T
≤3
ER-600TB
600±150
90≤1200
≥109
2.5 A 1S 5T
2.5KA 5T
≤3
Two-electrode high-voltage discharge tube/surge arresters 【Two-electrode】
MODEL
AC breakdown
peak voltage
VDischarge current
Max. A
Discharge time
msDischarge times
T=timesRecovery time
S
ER-2500T
2500±300
20
<100
10 T
<1
ER-3000T
3000±400
20
<100
10 T
<1
ER-3400T
3400±400
20
<100
10 T
<1
ER-4000T
4000±600
20
<100
10 T
<1