OVR T1 3N 25-255

OVR Type 1 surge protective devices TNS - TT - 230 V - 3Ph+N networks

Standard  IEC 61643-1 / EN 61643-11

Type / test class T1 / I

Nominal voltage Un  230 / 400 V

Maximum continuous operating voltage Uc  255 V

Maximum impulse current Iimp (10/350)  25 kA

Nominal discharge current In (8/20)  25 kA

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