The SMA Positive Grounding Kit ESHV-P-NR is a high-voltage positive earthing set designed for SMA transformer-based inverters, providing safe grounding for PV modules with rear-contact or thin-film cells that require positive pole earthing. Product Description This grounding kit connects the positive PV array pole to earth through a thermal fuse, neutralising potential differences and preventing corrosion in certain module technologies. It integrates with the inverter's insulation monitoring and offers fire protection through thermal fuse disconnection. Key Features Positive earthing: Grounds the positive PV array pole for module protection. Thermal fuse protection: Automatic disconnection in case of fault or overcurrent. Insulation monitoring compatible: Works with SMA inverter safety systems. Simple installation: Retrofit kit for compatible SMA inverters. Fire safety: Thermal fuse prevents arcing in fault conditions. Technical Details Application: PV modules requiring positive grounding (rear-contact cells, thin-film). Compatible inverters: SMA transformer inverters: Sunny Boy 1100–3800, Sunny Mini Central 4600A–7000HV. Voltage rating: High-voltage DC PV array compatible. Protection: Thermal fuse with monitoring integration. Connection: Internal grounding plug with two positions (positive/negative). Physical Specifications Form factor: Retrofit grounding set for inverter internal installation. Materials: High-temperature rated components. Mounting: Internal to compatible SMA inverters. System & Application Notes Use cases: Thin-film modules, back-contact cells, or systems requiring positive earthing for corrosion protection. Installation: Professional installation within inverter; requires compatible model. Alternative: ESHV-N-NR available for negative grounding. Standards: Complies with SMA safety and grounding requirements.
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