Surge Protection Device 3P 20kA

Noark Ex9UEP 20 3P 1500 – 3-Pole PV DC Surge Protection Device

The Ex9UEP 20 3P 1500 is a high-performance DC surge protection device designed for photovoltaic systems operating at up to 1500 V DC. With its compact 3-pole configuration, it provides reliable protection for multi-string arrays and high-voltage inverter inputs, helping safeguard critical solar components against lightning-induced surges and transient overvoltages.

Key Features

• Engineered specifically for high-voltage PV systems up to 1500 V DC.
• 3-pole protection ideal for large arrays, multi-string configurations and inverter DC inputs.
• Replaceable protection modules with clear visual status indicators.
• Compact DIN-rail design for easy integration into combiner boxes and inverter enclosures.
• High surge discharge capability for robust system protection.
• Low residual voltage for enhanced equipment safety.

Typical Applications

• PV arrays and string-combiner boxes in commercial and industrial installations.
• High-voltage inverter DC input protection.
• Solar farms and large-scale rooftop systems.
• Battery-charging PV systems requiring 1500 V DC surge protection.

Installation Notes

• Install upstream of the inverter or sensitive DC equipment for optimal protection.
• Ensure proper earthing to maintain surge suppression performance.
• Mount on standard DIN rail inside a rated PV enclosure.
• Check module status indicators periodically for maintenance.

The Ex9UEP 20 3P 1500 provides dependable high-voltage surge protection for modern PV systems, making it an excellent choice for installers prioritizing system safety and long-term reliability.