Garton-Daniels and Keystone lightning protective apparatus. (1921)
Electric Service Supplies Co. · Electric Service Supplies Co. · leaf 14
uliar and unique feature of the Expulsion Ar-rester ; by means of its construction it is possible to secure a highlyefficient arrester, both from the standpoint of low arc-over value onaccount of the small air gap distance used, and high discharge capacitybecause of the low series resistance… … Oscillogram A Arrester—Type EX, Form 3, rated for 2500 Volt 3 phase grounded Y circuit.Test Voltage—3000.Dynamic current flow—7.3 amperes.Duration of current flow—^26 cycle or .00U3 second. Oscillographic records show very beautifully the phenomena occurringduring the operation of the Expulsion…
Lightning arresters · Ligtning protection for buildings · Lightning protection for structures · Lightning protection surge arresters and suppressors · Medium-voltage lightning arresters
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