Noark Ex9UEP T1/T2 1000V DC surge arrester

The 111759 model is a DC surge arrester specifically engineered to safeguard photovoltaic systems from electrical surges. It adheres to the stringent requirements of the EN 61643-31 standard, ensuring its suitability for applications within this domain. The product has undergone rigorous testing in line with the PV class T1+T2 test protocol, which confirms its capability to withstand the electrical phenomena it is designed to protect against.

Equipped with an optical status indicator, the device provides a clear visual cue regarding the health of the varistor insert. This feature is essential for maintenance personnel to monitor the wear and operational readiness of the component. Additionally, the inclusion of a built-in auxiliary contact is a critical design element that facilitates the electrical signaling of the insert's status, allowing for proactive management and timely intervention.

The design of this surge arrester allows for the safe replacement of the varistor insert without the need to disconnect the device, thereby minimizing downtime and ensuring continuous protection. The product's unique identifier, 8592765117595, ensures traceability and authenticity.