Fuse Holder Engineered NFPV-32B PV for reliability and safety
The NFPV-32B Fuse Holder is a specialized over-current protection device designed for photovoltaic (PV) systems, compliant with IEC 60269-6 standards. Engineered for reliability and safety, it supports 30A rated current and 1000V DC voltage, ensuring robust protection for PV DC combiner boxes, inverters, and other critical solar infrastructure.
Product Introduction
Engineered for reliability and safety, it supports 30A rated current and 1000V DC voltage, ensuring robust protection for PV DC combiner boxes, inverters, and other critical solar infrastructure.
Specifications
| NFPV-32B Fuse Holder | ||
| Pole | 1P | |
| According to | IEC 60269-6 | |
| Electrical Characteristics | ||
| Rated Working Voltage | Ue | 1000V DC |
| Breaking Capacity | 33KA | |
| Max Power Dissipation | 3W | |
| Contol and Indication | ||
| Operating State/Fault Indication | Indicator Light OFF/Indicator Light ON | |
| Connection and Installation | ||
| Wire | 2.5mm2~25 | |
| Terminal Screws | M5 | |
| Torque | Nm | 2.5 |
| Degree of Protection | IP20 | |
| Installation Environment | ||
| Fuse Size | 10×38 mm | |
| Operating Temperature Range | TU | -30℃~+70℃ |
| For Mounting On | TH35-7.5/DIN35 | |
| Pollution Degree | 3 | |
| Relative Humidity | +20 ℃≤ 95%,+40℃≤50% | |
| Weight | 0.07kg Per pole | |
| Installation Class | Ⅲ | |
Key Features
● High-Performance Protection
33kA Breaking Capacity: Safely interrupts fault currents, including reverse currents and multi-array failures in PV strings.
Over-Current & Disconnection: Effectively isolates faults with 10×38mm PV fuse links, minimizing downtime and equipment damage.
● Intelligent Monitoring
Dual-State Indication: LED indicator (ON/OFF) provides real-time visual feedback for fuse status and fault detection.
● Durable & Adaptable Design
Wide Operating Range: Functions flawlessly in -30℃ to +70℃ environments with up to 95% humidity (at 20℃).
Easy Installation: Compatible with TH35-7.5/DIN35 rails, supports wire sizes from 2.5mm² to 25mm² (M5 terminal screws, 2.5Nm torque).
● Standards Compliance
IP20 Protection: Guards against limited dust ingress in controlled environments.
Pollution Degree 3 Certified: Suitable for harsh industrial settings with conductive contaminants.
Application
● PV Combiner Boxes: Safeguard string arrays from reverse currents and overloads.
● Inverters & Energy Storage: Ensure stable DC power conversion and distribution.
● Industrial Solar Systems: Built to endure high humidity and temperature fluctuations.
Specification