DRL plug-in SPD block ( 10 pairs) with lightning current carrying capacity, for nearly all types of applications. Extendible with DRL protective plug to a combined lightning current and surge arrester. The integrated disconnection block contacts allow for testing, measuring and patching in case of plugged-in protection. The gas discharge tubes have a fail-safe function with visual indicator for potential faults

Lightning current arrester for use as plug-in SPD block with integrated LSA disconnection block function
Visual fault indicator of the gas discharge tubes
Extendible with DRL protective plugs to a combined lightning current and surge arrester
For installation in conformity with the lightning protection zones concept at the boundaries from OA – 1 and higher