ZM68 3R350LF 3 legs lightning arrester

our gas discharge tube has got the TUV certification of German and SGS certification, satisfy the ROHS standard.

ZM68 3R series, voltages range  from 75V to 500V.

Norminal D.C Spark-over voltage includes      75V,90V,150V,230V,350V,420V,470V,500V, 

ZM68 3R350LF

Specifications: 1) Code: ZM

                       2) Outline diameter x length: Φ6x 8mm

                       3) Representing 3-electrode: 3R

                       4) Nominal DC spark-over voltage: 350V

                       5) Linear distribution of lead wire: L 

                          Distribution of expiration protection / fail safe: F                  

                       6) Tolerance of VS (V) %: ±20

                       7)Impulse spark-over voltage: ≤900

                       8)Impulse discharge current 8/20 µs (KA) 10 times: (5-10)x2 KA                      

                       9) Impulse discharge current 10/1000µs(A/times):  100x2/300  

                       10) Alternating discharge current at 50Hz for 10 times: 10x2 A                       11)  Insulation resistance Ω:≥109

                       12)Capacitance (PF):  ≤1.5

                       13)Holdover voltage  135

ZM68 3R350LF 3 legs lightning arrester