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PV Surge Protective Device VSP1S-PVxxx/(S) Class II • Type 2
The KUANGYA VSP1S-PV Series Type 2 DC Surge Protective Device (SPD) is designed to protect photovoltaic (PV) systems from lightning-induced surges and transient overvoltages. Available in 600V, 800V, 1000V, 1200V, and 1500V DC, it features high-energy MOV technology, a pluggable modular design, and fast response time for reliable surge protection. Fully compliant with IEC 61643-31, the VSP1S-PV Series is ideal for solar combiner boxes, PV inverters, DC distribution cabinets, and battery energy storage systems (BESS).
Product Overview
The KUANGYA VSP1S-PV Series Type 2 DC Surge Protective Device (SPD) is designed to protect photovoltaic (PV) systems from lightning-induced surges and transient overvoltages. Featuring high-energy MOV technology, a pluggable modular design, and compliance with IEC 61643-31, the VSP1S-PV Series ensures reliable protection for solar combiner boxes, DC distribution systems, and PV inverters.
Key Features
- Type 2 DC Surge Protective Device (SPD)
- Designed for photovoltaic (PV) DC systems
- Voltage ratings available: 600V / 800V / 1000V / 1200V / 1500V DC
- Nominal discharge current (In): 20kA / 30kA / 40kA
- Maximum discharge current (Imax): 40kA / 60kA / 80kA
- High-energy MOV protection technology
- Fast response time (<25ns)
- Pluggable replaceable protection module
- Visual status indication (Green = OK / Red = Fault)
- Optional remote signaling contact
- Thermal disconnect protection
- DIN rail mounting (35mm)
- IEC 61643-31 compliant
- UL94 V-0 flame-retardant housing
- IP20 protection degree
Applications
- Solar PV combiner boxes
- String inverter protection
- PV DC distribution cabinets
- Rooftop photovoltaic systems
- Utility-scale solar power plants
- Battery energy storage systems (BESS)
- Commercial solar installations
- Industrial photovoltaic projects
- Renewable energy power systems
Benefits
- Protects photovoltaic equipment from lightning surges and switching overvoltages.
- Reduces inverter failures and maintenance costs.
- Extends the service life of PV electrical equipment.
- Pluggable design allows fast module replacement.
- Green/Red window enables quick status inspection.
- Supports remote alarm monitoring (optional).
- Suitable for indoor PV distribution cabinets.
- High reliability under harsh outdoor operating conditions.
- Multiple voltage options for different PV system designs.
- Designed according to IEC 61643-31 international standards.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Series | VSP1S-PV |
| SPD Type | Type 2 |
| System Voltage | 600V / 800V / 1000V / 1200V / 1500V DC |
| Nominal Discharge Current (In) | 20kA / 30kA / 40kA |
| Maximum Discharge Current (Imax) | 40kA / 60kA / 80kA |
| Protection Technology | High Energy MOV |
| Response Time | <25ns |
| Installation | 35mm DIN Rail |
| Housing | UL94 V-0 Thermoplastic |
| Protection Degree | IP20 |
| Operating Temperature | -40°C ~ +70°C |
| Compliance | IEC 61643-31 / EN 61643-31 |
Why Choose KUANGYA?
- Professional manufacturer of surge protection devices
- Stable quality with international certifications
- OEM & ODM customization available
- Fast delivery for global projects
- Suitable for residential, commercial, and utility-scale PV systems
- Technical support for EPC contractors and distributors
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