NOARK: U4 Surge Protective Devices
Noark Electric NA announces the release of Type 4 Surge Protective devices (SPD) with modular plug-in design, nominal discharge current of 20kA and maximum continuous operating voltage from 170V to 660V. The U4 series SPD comes in variety of configurations including 1P, 1P+N, 2P, 2P+N, 3P, 3P+N to safely clamp and attenuate transient voltage surge in electrical systems. The devices are UL1449 recognized components for installation on load side of service entry equipment in commercial and residential applications or OEM distribution equipment in industrial applications.