MCB Type Surge Protective Devices

MCB Type Surge Protective Devices
Code - BY1

Rated Volt.: AC 50/60 Hz,380V
It protects the electric network caused by the thunder or over voltage .
Pole: 1Pole, 2Pole,3Pole, 4Pole
Maximum continuous operating voltage : Uc 75 150 275 320 385 440 660V~
Test grade:II
Voltage protect level: Up< 350 550 1000 1250 1500 1750 2500V
Maximum discharge current : (8/20uS) Imax 40kA
Nominal discharge currrent: (8/20uS) In 10 15 20kA