Littelfuse SPNH Solar Photovoltaic Fuses
Littelfuse SPNH Solar Photovoltaic (PV) Fuses are designed to meet the emerging circuit protection needs for 1500V PV systems. Littelfuse SPNH Solar Fuses provide full-range protection for all potential overcurrent conditions that exist in PV applications. SPNH is suitable for PV inverter protection and array combiner applications.
Features
- Meets UL and IEC photovoltaic standards
- Compact NH XL sizes
- Low watt-loss design
- 1500VDC rating for high-efficiency designs
- Designed to protect against a full range of overcurrents
Applications
- Inverters
- Re-combiner boxes
- Array / re-combiner applications
- PV inverter DC input protection
Specifications
- 1500VDC voltage rating
- 50A to 400A current rating
- 30kA interrupt rating
- ≤2ms time constant
- Approvals
- UL 248-19 listed (File: E339112, Vol. 4)
- IEC 60269-6
- RoHS compliant
Published: 2020-06-25
| Updated: 2024-06-25