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

ZM55 2R series, voltages range  from 75V to 500V.

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

ZM55 2R350LFSpecifications: 1) Code: ZM2) Outline diameter x length: Φ5.5 x 6mm3) Representing 3-electrode: 2R4) Nominal DC spark-over voltage: 350V5)  distribution of lead wire: L

      distribution of expiration protection / fail safe: F

6) Tolerance of VS (V) %: ±20

 7)Impulse spark-over voltage: ≤650

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

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

 10) Alternating discharge current at 50Hz for 10 times:5- 10A  

 11)  Insulation resistance Ω:≥109

 12)Capacitance (PF):  ≤1.5

 13)Holdover voltage  :135

ZM55 2R350LF gas discharge tube