Norminal Discharge Cuurent – Prosurge https://prosurge.com Maximum Safety in Surge Protection Fri, 05 Jan 2018 06:12:24 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 What is the UL Nominal Discharge Current (In) rating? https://prosurge.com/ul-nominal-discharge-current-rating/ Fri, 05 Jan 2018 06:09:18 +0000 http://prosurge.com/?p=13311

The UL Nominal Discharge Current is defined as the peak value of 8/20 microsecond surge current conducted through the SPD. The SPD must still function after 15 applied surges. The highest nominal discharge current rating by UL is 20kA. A SPD for use at the service entrance in UL 96A Lightning Protection Systems must be UL Listed and have a Nominal Discharge Current rating of 20kA.

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