ETC 72BL

z72B, 72BL Series
Nominal
Nominal
impulse
impulse
discharge discharge
current
current
8/20μ
μ s 10/1000μ
μs
idi
idi
(KA)
(A)
Nominal
Alternating
discharge
current at
50Hz, 1s
ida
(A)
Nominal dc
spark-over
voltage
Gas Discharge
Tube dc
spark-over
voltage
Impulse
spark-over
voltage
at 1kV/μ
μs
Vsdc
(V)
Vsdc
(V)
Vsi
(V)
72B75/L
75
60~90
≦700
50
72B90/L
90
72~108
≦700
50
72B150/L
150
120~180
≦700
50
72B230/L
230
184~276
≦800
100
72B250/L
250
200~300
≦800
100
72B300/L
300
240~360
≦900
72B350/L
350
280~420
≦900
100
72B400/L
400
320~480
≦1000
100
72B420/L
420
336~504
≦1100
100
72B470/L
470
376~564
≦1100
100
72B600/L
600
480~720
≦1500
150
Part No.
10
100
10
Insulation resistance
Ris
(Ω
Ω)
V
(V)
100
Capacitance
at 1kHz
C
(pF)
9
≧10
≦3
72BXXX Series
72BXXXL Series
Series
W3
W4
72B
ψ8.0±0.2
ψ8.0
+0.2
L3
L4
L5
1.5±0.1
10.0±0.3
4.25±0.15
-0.1
Series
W3
72BL
ψ8.0±0.2
W4
W5
L3
L4
L5
L6
L7
L8
15.0±0.5
1.5±0.1
10.0±0.3
4.25±0.15
13.4 -2
4.4±0.3
ψ1.0±0.1
+0.2
ψ8.0
-0.1