Noark Ex9UEP T1/T2 1000V DC Surge Arrester

The 111759 model is a DC surge arrester designed to protect photovoltaic systems from electrical surges. It meets the strict requirements of the EN 61643-31 standard, making it suitable for use in this field. The product has been thoroughly tested according to the PV class T1+T2 test protocol, confirming its ability to withstand the electrical phenomena it is meant to protect against. It features an optical status indicator that provides a clear visual signal about the condition of the varistor insert. This feature is crucial for maintenance personnel to monitor both the wear and operational readiness of the component. Additionally, the surge arrester includes a built-in auxiliary contact, a critical design feature that allows for electrical signaling of the insert’s status, enabling proactive management and timely intervention. The design of this surge arrester allows for the safe replacement of the varistor insert without needing to disconnect the device, minimizing downtime and ensuring continuous protection. The product's unique identifier, 8592765117595, ensures its traceability and authenticity.