GENERAL

All rear doors are to be hinged, bolted type for 63 kA and 25-50 kA, type 2/2B with 0.5s duration ratings. Split, bolted, lift removable panels to be supplied for all 25-50 kA,10-cycle, type 2/2C ratings. Rear door designs shall be as required by the manufacturer to meet the type tested ratings specified for the arc-resistant switchgear. ................
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