Description
The Suntree 45A 1500V Solar Connector is a heavy-duty, high-voltage photovoltaic (PV) terminal engineered for seamless, reliable power transmission in modern commercial and utility-scale solar arrays. Built to handle standard MC4-style locking interfaces, it bridges the gap between high-current module strings and string inverters or combiner boxes.
This premium-grade connector is purpose-built for solar installation contractors, commercial PV system integrators, and industrial utility developers who need to eliminate thermal bottlenecks and ensure long-term, weather-resistant continuity in demanding 1500V DC installations.
Key Features
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High-Voltage Architecture: Fully rated up to 1500V DC to support modern, high-efficiency commercial string designs that reduce overall balance-of-system (BOS) wiring costs.
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45A Current Capacity: Heavy-duty internal copper contacts handle sustained currents up to 45 Amps, minimizing resistive power loss and thermal buildup.
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IP67 Waterproof Rating: Exceptional environmental sealing protects critical internal connection points against water immersion, dust entry, and heavy moisture.
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UV & Flame Resistant: Constructed from advanced PPO (Polyphenylene Oxide) material, engineered to withstand intense solar radiation and harsh ambient temperatures without degradation.
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Stable Self-Locking Mechanism: Features an integrated snap-in locking system that prevents accidental disconnections under mechanical strain, complying fully with modern safety standards.
Technical Specifications
| Technical Parameter | Specification Data |
| Product Brand | Suntree |
| Rated Voltage | 1500V DC |
| Rated Current | 45A |
| Insulation Material | PPO (Polyphenylene Oxide) |
| Contact Material | Copper, Tin-Plated |
| Protection Degree | IP67 (Mated State) |
| Flame Class | UL94-V0 |
| Ambient Temperature Range | -40°C to +85°C |
| Suitable Cable Cross Sections | 4.0 mm² to 6.0 mm² (12 AWG – 10 AWG) |
| Locking System | Snap-in (MC4 Compatible) |
Choosing the Suntree 45A 1500V Solar Connector means prioritizing system uptime and electrical safety. Standard or lower-spec connectors frequently develop micro-gaps over time, leading to electrical arcing, localized hotspots, and severe power loss. Suntree’s tin-plated copper core ensures ultra-low contact resistance over decades of deployment. Its rigorous UL94-V0 flame-retardant casing adds an indispensable layer of fire protection to your infrastructure investment, guaranteeing optimal yield under peak thermal stress.
Applications
This high-performance connector is ideal for:
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Utility-Scale Solar Farms: High-voltage 1500V DC grid-tied commercial arrays.
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Commercial Roof Installations: Industrial warehousing and manufacturing facility PV arrays.
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Floating Solar Power Plants: Water-adjacent setups where the IP68 moisture barrier is critical.
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High-Current Combiner Boxes: Main connection lines running from string combinations to central inverters.

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