NPS01-FB150 -1500 AC 3+MP Surge Protective Device
Product Overview
As utility-scale solar farms scale up to higher AC collection voltages, our production facility manufactures the NPS01-FB150 -1500 AC 3+MP Surge Protective Device to provide heavy-duty 150kA transient overvoltage mitigation. Combining reinforced varistor blocks with an arc-suppression chamber in a 3+MP layout, this NPS01-FB150 -1500 AC 3+MP Surge Protective Device suppresses massive lightning discharges while clamping residual voltages below insulation withstand limits. Our factory builds this protective unit specifically for 1500V AC solar collector lines, high-altitude renewable substations, and utility-scale energy storage interconnections where downtime translates directly to substantial financial loss.

Application Scenarios
- High-Voltage PV Collector Systems: 1500V AC solar collection panels, transformer kiosks, and centralized inverter skids.
- Utility-Scale Storage Interconnections: Centralized BESS high-voltage AC coupling panels and transformer inputs.
- Exposed Renewable Substations: Desert and mountain solar collector stations exposed to frequent cloud-to-ground strikes.
Technical Specifications
|
Parameter |
Specification |
|
Model |
NPS01-FB150 -1500 AC 3+MP |
|
Operating Voltage (Uc) |
AC 1500V |
|
Nominal Discharge Current (In, 8/20μs) |
60kA |
|
Maximum Discharge Current (Imax, 8/20μs) |
150kA |
|
Circuit Topology |
3+MP (Three Phases + High-Capacity Spark Gap to Ground) |
|
Mounting Installation |
35mm Standard DIN Rail (EN 60715) |
|
Flame Resistance |
UL94-V0 Rated High-temperature Insulation |
Customization & Cooperation
- Private Label Customization: Complete OEM support including laser marking, custom enclosure coloring, and multilingual manuals from 100 sets.
- Tooling & Prototype Services: Custom mechanical enclosures and terminal designs are prototyped and tested within 4 to 6 weeks.
- Volume Purchasing Programs: We provide structured, tiered pricing discounts for regional authorized distributors and framework contractors.
Quality Assurance
- Full In-House Verification: High-energy impulse validation is performed in our accredited laboratory up to maximum rated surge levels.
- Zero-Defect Commitment: 100% automated optical inspection of wave-soldered junctions followed by static leakage current testing.
- Climatic Endurance: Tested across extreme temperature variations (-40°C to +85°C) and cyclic damp heat to guarantee field durability.
Product Advantages


FAQ
Q1: Why is an AC 1500V Uc rating required for these high-voltage AC applications?
A1: High-voltage collector grids experience dynamic line voltage spikes and harmonics; AC 1500V Uc provides the essential operating margin against thermal degradation.
Q2: What is your standard warranty and replacement timeline?
A2: We offer a 1-year product warranty with free 1-to-1 replacements dispatched within 3 business days for verified manufacturing defects.
Packaging Dimensions
Inner box dimensions (L*W*H): 11.3*10.1*7.7, 15.11*10.1*7.7
Outer box dimensions (L*W*H): 32.5*27.5*27.5




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