Low Voltage (LV) BIL Ratings •
BIL for LV systems is lower and typically refers to surge withstand capability of the transformer secondary.
BIL for 1kV and under is 30 kV.
•
Testing Method applies surge tests or dielectric withstand tests. Protects against switching transients and nearby lightning strikes.
•
•
Page 17
Made with FlippingBook - PDF hosting