| Facility/Home Exposure | (TVSS / SPD Application Level) | Surge Capacity/phase | IEEE C62.41 | Low Exposure
Index <35 | Medium Exposure
Index 35 to 65 | High Exposure
Index >65 | Category C
(Service Entrance) | 120kA to 160kA | 160kA to 240kA | 240kA to 400kA | Category B
(Distribution Panel) | 50kA to 80 kA | 80kA to 160kA | 120kA to 240kA | Category A
(Individual Circuits) | 50kA to 80 kA | 50kA to 80 kA | 50kA to 80 kA |
|
|
|
Unless otherwise indicated, all content, photos and art work published on this website are copyright property 2005-2021 of PhaseFree.com and may not be republished without verifiable authorization fromPhaseFree.com. Click for our: Terms and Conditions |
|
|
|