.png){kind=logo}
MERSEN HP15M20
MERSEN HP15M20 Photovoltaic Fuse – gPV, 20A, 1500 VDC, 10 × 85 mm
The Mersen HP15M20 is a HelioProtection® gPV photovoltaic fuse engineered for high-voltage solar applications requiring dependable protection under continuous temperature and current cycling. Rated at 1500 VDC and 20 A, this fuse is optimized for low fault current interruption, making it ideal for modern PV arrays operating at elevated voltages for improved system efficiency. With a 50 kA short-circuit current rating, the HP15M20 delivers robust protection for string, array, and combiner-level circuits in both grid-tied and off-grid solar installations.
| Specification | Value |
|---|---|
| Manufacturer | Mersen |
| Series | HelioProtection HP15M |
| Part Number | HP15M20 |
| Product Type | Photovoltaic Fuse |
| Utilisation Category | gPV |
| Rated Current | 20 A |
| Rated Voltage | 1500 VDC |
| Short-Circuit Rating | 50 kA |
| Fuse Size | 10 × 85 mm |
| Fuse Type | Cylindrical, Cartridge |
| Primary Type | Single-use fuse |
| Termination Type | Ferrule |
| Application Level | PV string and array protection |
| Standards | UL Listed UL 2579, IEC 60269-6, CSA Component Pending |
| Feature | Benefit |
|---|---|
| gPV Rated Design | Specifically engineered for photovoltaic DC circuit protection |
| 1500 VDC Rating | Supports high-voltage PV architectures for increased system efficiency |
| 50 kA SCCR | High interrupt capacity for enhanced fault protection |
| Low Fault Current Interruption | Safely clears typical PV array fault conditions |
| Temperature Cycling Withstand | Maintains performance under fluctuating solar conditions |
| Durable Fuse Construction | Extends system longevity and reduces maintenance |
| Globally Accepted Certifications | Suitable for international PV installations |
Applications: Photovoltaic string protection, PV array protection, combiner boxes, in-line PV module protection, inverters, battery charge controllers, off-grid solar systems, grid-tied solar installations