The device shown is an SMA ESHV-P-NR Positive Earth Kit High Voltage, a technical accessory designed for photovoltaic systems requiring positive grounding of PV modules.

This kit is used together with compatible SMA inverters and specific photovoltaic modules that require the positive pole to be connected to earth in order to ensure:

• Electrical compatibility
• PID degradation reduction
• Proper system operation
• Protection of sensitive photovoltaic modules

The kit includes:

• Electronic grounding module
• Preassembled wiring harnesses
• Mounting accessories
• Cable ties
• Installation tool
• Original SMA documentation

⚙️ Main Features

✔ Original SMA accessory
✔ Positive grounding solution for photovoltaic systems
✔ Designed for high-voltage PV applications
✔ Helps reduce PID (Potential Induced Degradation)
✔ Compatible with thin-film photovoltaic modules
✔ Professional installation kit
✔ Reliable industrial-grade construction

🔧 Technical Specifications

• Brand: SMA
• Model: ESHV-P-NR
• Type: Positive Earth Kit High Voltage
• Application: Photovoltaic systems
• Function: Positive grounding of PV modules
• Compatibility: Compatible SMA inverters
• Installation: Professional installation required

⚡ Function of the Product

This kit is designed to provide:

• Positive grounding of photovoltaic panels
• Protection of thin-film PV modules
• Reduction of PID effects (Potential Induced Degradation)
• Improved long-term electrical stability of the photovoltaic system

Many thin-film photovoltaic modules require the positive pole to be referenced to earth in order to prevent long-term performance degradation.

🌐 Applications

Ideal for:

• SMA Sunny Boy inverters
• SMA Sunny Mini Central systems
• Industrial photovoltaic installations
• Thin-film photovoltaic systems
• Retrofit photovoltaic systems
• Maintenance and upgrades of SMA installations

📦 Kit Contents

• ESHV-P-NR module
• Dedicated wiring harness
• Mounting accessories
• Cable ties
• Plastic installation tool
• Original SMA manual/documentation

💡 Advantages

✔ Original SMA component
✔ Fast and professional installation
✔ Compatible with high-voltage photovoltaic systems
✔ Helps mitigate PID-related issues
✔ Supports positive-ground thin-film modules
✔ Improves long-term photovoltaic system reliability

🟢 Summary

The SMA ESHV-P-NR Positive Earth Kit High Voltage is a professional SMA accessory designed for photovoltaic systems requiring positive grounding of PV modules.

It is particularly suitable for thin-film solar installations, helping reduce PID degradation, improve electrical stability, and ensure reliable long-term operation of SMA inverter-based photovoltaic systems.

SMA Sunny Boy (SB) Series
(Designed for residential PV systems)