SPK-GT3R-AT-B

Ceramic Gas Tube Surge Arrester

Description

ITEM	GT3R 75AT-B	GT3R 90AT-B	GT3R 150AT-B	GT3R 230AT-B	GT3R 350AT-B	Unit
Nominal DC spark-over Voltage (100V/s)	75 ±20%	90 ±20%	150 ±20%	230 ±20%	350 ±20%	V
Maximum impulse spark-over voltage(1kV/μ s)	700	700	700	800	800	V
Impulse discharge current (8/20μs,10 times)(a+b)-e	10	10	10	10	10	kA
Impulse discharge current (10/1000μs,300 times)(a+b)-e	100	100	100	100	100	A
AC discharge current (50Hz,1s,5 times)	10	10	10	10	10	A
Minimum insulation resistance	1000	1000	1000	1000	1000	MΩ
Maximum capacitance (1MHz)	1.5	1.5	1.5	1.5	1.5	pF
Maximum transverse Voltage duration	200	200	200	200	200	ns

ITEM

GT3R
75AT-B

GT3R
90AT-B

GT3R
150AT-B

GT3R
230AT-B

GT3R
350AT-B

Unit

Nominal DC spark-over Voltage (100V/s)

75 ±20%

90 ±20%

150 ±20%

230 ±20%

350 ±20%

Maximum impulse spark-over voltage(1kV/μ s)

700

800

Impulse discharge current (8/20μs,10 times)(a+b)-e

Impulse discharge current (10/1000μs,300 times)(a+b)-e

100

AC discharge current (50Hz,1s,5 times)

Minimum insulation resistance

1000

MΩ

Maximum capacitance (1MHz)

1.5

Maximum transverse Voltage duration

200