20C Surge Protective Device is CLASS C protection applicable for interface LPZ1~LPZ2 (lightning protection zones).

The core parts are metal oxide varistor with high discharge capacity & reliable quality.

Nominal Discharge Current In (8/20µs) is 20kA;

Maximum Discharge current Imax (8/20µs) is 40kA

One pole for single-phase protection.

Uc=275V.

Up=1.2kV.

IEC61643 standard compliant.