The N-TECH DC SPD-C40-PV 2-Pole Surge Protective Device is a safety device designed to protect solar panel systems from sudden voltage spikes caused by lightning or other electrical surges. The "2Pol" means it protects both the positive and negative wires of the system. The "C40" likely indicates its ability to handle a 40,000 amp surge. It's installed on the DC (direct current) side of the solar system to prevent damage to expensive equipment like solar panels and inverters, ensuring the system continues to operate safely and reliably.

Features of N-TECH DC SPD-C40-PV 2-Pole Surge Protective Device:

• Two-Pole Protection (2Pol): Protects both the positive and negative conductors of the DC circuit in a PV system.
• High Discharge Capacity: Designed to handle large surge currents caused by lightning strikes or other transient overvoltage events. The "C40" likely refers to a specific surge current rating (e.g., 40kA).
• Visual Indication: Typically includes a visual indicator (e.g., a flag or color change) to show the status of the SPD (operational or needs replacement).
• Remote Signaling Contact (Optional): Some models may offer a remote signaling contact that can be used to monitor the SPD's status remotely.  
• DIN Rail Mounting: Designed for easy installation on standard DIN rails in electrical enclosures.  
• Robust Construction: Built to withstand harsh environmental conditions.
• Thermal Disconnect: A safety feature that disconnects the SPD from the circuit in case of overheating.

Specifications of N-TECH DC SPD-C40-PV 2-Pole Surge Protective Device:

• Type: Likely a Type 2 or Class C SPD according to IEC standards, suitable for secondary protection.
• Maximum Continuous Operating Voltage (Uc): The maximum voltage the SPD can handle continuously. This is crucial for matching the system voltage.  
• Nominal Discharge Current (In): The surge current the SPD can handle repeatedly.
• Maximum Discharge Current (Imax): The highest surge current the SPD can withstand once. This is what the "C40" likely refers to (40kA).
• Voltage Protection Level (Up): The maximum voltage that will pass through the
• SPD during a surge event. A lower Up value means better protection.
• Response Time: The time it takes for the SPD to activate and clamp the voltage.
• Protection Mode: Common mode (between line and ground) and differential mode (between lines).
• Operating Temperature Range: The range of temperatures the device can operate within.

Uses:

• Protection of Photovoltaic (PV) Systems: Specifically designed to protect solar panels, inverters, and other components in PV systems from damage caused by lightning strikes and other transient overvoltages.
• DC Side Protection: Installed on the DC side of the PV system, typically in the combiner box or near the inverter.
• Residential, Commercial, and Industrial PV Installations: Suitable for a wide range of PV system sizes.

Benefits:

• Protection of Valuable Equipment: Prevents costly damage to solar panels, inverters, and other system components.
• Reduced Downtime: Minimizes system downtime due to surge events.  
• Improved System Reliability: Enhances the overall reliability and lifespan of the PV system.
• Increased Safety: Protects personnel and equipment from electrical hazards associated with surge events.
• Compliance with Standards: Helps ensure compliance with relevant safety and installation standards.
• Peace of Mind: Provides peace of mind knowing the PV system is protected from damaging surges.
  

Package includes:  

• 1x N-TECH SPD-C40-PV 2-Pole Surge Protective Device

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