Gas discharge tube: Diameter: 7.5mm
Height: 11.5/10.5mm
Type(with lead wire): ZM75115 3R230L
(without lead wire) ZM75115 3R 230
(with lead wire and fail safe) ZM75115 3R230LF
Nominal. D. C. Spark-over voltage: 230V
(90V 150V, 230V, 250V 350V, 420V 470V)
Tolerance of Vs (v)%: Positiveand or negative20
Impulse spark-over voltage 1kv/ microsecond (v): ≤ 750
Impulse discharge current 8/20 microsecond (KA): 10X2
Impulse discharge current 10/1000 microsecond (A/times): 100x2/300
Alternating discharge current 50Hz-10times(A): 10X2
Insulation resistance(Ω ): >1GΩ
Capacitance (pf): ≤ 1.5
Holdover voltage: 135
