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| Brand Name : | 1stess |
| Model Number : | SP4K6H |
| Certification : | CE, IEC |
| Price : | To be negotiated |
| Payment Terms : | L/C,T/T |
| Supply Ability : | 2000 pieces per month |
| Delivery Time : | 30 days |
1.Maximum efficiency of 97.8% and battery efficiency of 97.0%
2.Maximum 12kW PVinput power
3.Key components from international renowned brands
4.IP66 protection rating,ensuring adaptability to complex
5.Multiple built-in protections, with optional AFCl
6.Large MPPT current, compatible with high-power solar panels
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FAQs for Different Countries
Introduction: Meeting French norms and efficiency expectations, this inverter is a sophisticated choice for homeowners seeking to optimize self-consumption and integrate with the French grid.
FAQ:
Q: Is the inverter compliant with French grid connection requirements?
A: Its certifications cover the essential European standards required for grid connection in France. Your installer will ensure it meets the specific requirements of your local DSO (Enedis).
Q: How does the Euro Efficiency of 97.5% benefit a typical French household?
A: This rating reflects excellent performance under realistic European weather patterns, ensuring you get the most out of your solar investment throughout the seasons in France.
Q: Can it be used with a batterie virtuelle (virtual battery) program?
A: Its communication capabilities (RS485, Wi-Fi) allow it to be integrated with energy management systems that could participate in such demand-response programs.
Q: What is the THDi, and is it low enough for French grid standards?
A: At <3%, the THDi is very low, contributing to high power quality and complying with the strict harmonic distortion limits set by French regulations.
Q: How does the backup feature work with a French tableau électrique?
A: The backup output powers a dedicated sub-panel (tableau divisionnaire). A certified installer will wire essential circuits to this panel to be powered during an outage.
Q: Is the natural cooling system noisy?
A: Not at all. It is completely silent, which is ideal for residential installations where noise pollution is a concern.
Q: What is the maximum charge power for the battery?
A: The maximum charge power is 9,000W, allowing for very fast recharging of your battery bank from solar, which is great for cloudy days with limited sun.
Q: Are the dimensions suitable for installation in a garage or cellier?
A: Yes, its compact design allows for flexible mounting on a wall in a garage, utility room, or basement.
Q: Is the 10-year warranty applicable in France?
A: Oui, the optional 10-year warranty is available for purchase, offering une tranquillité d'esprit (peace of mind) for the long term.
Q: Does it have the required disconnection means for France?
A: Yes, it includes a DC switch for DC isolation, and the AC side can be isolated via an external circuit breaker, as per standard practice.
Introduction: Perfect for the Dutch focus on sustainability and smart technology, our inverter offers high efficiency, seamless integration, and reliable performance for energy-conscious homes.
FAQ:
Q: Is this inverter suitable for the Dutch netmetering (salderen) system?
A: Yes, its high efficiency ensures you feed the maximum amount of energy back into the grid, maximizing the credit you receive under the salderingsregeling.
Q: How does the Wi-Fi/LAN option help with monitoring?
A: The optional Wi-Fi/LAN module allows for easy integration with popular Dutch online energy monitoring platforms, letting you track your production and consumption in real-time.
Q: What is the power factor adjustment range?
A: It is adjustable from 0.8 leading to 0.8 lagging. This allows your installer to set it to a specific value if required by your grid operator (e.g., Liander, Stedin).
Q: Can it operate efficiently in the typical Dutch cloudy weather?
A: Yes, the high MPPT efficiency at low irradiation levels and the low start-up voltage ensure it captures energy even on overcast days, which is crucial for the Dutch climate.
Q: Is the backup power feature useful in the Netherlands, where outages are rare?
A: While outages are infrequent, the backup function provides invaluable peace of mind for security systems, internet routers, and freezers, ensuring no disruption.
Q: How does the lightweight design benefit installation?
A: The weight of ~14kg makes it easy for installers to mount on various wall types, including brick and stud walls, common in Dutch homes.
Q: Is the RS485 communication used for Dutch smart meters?
A: The RS485 port can be used to connect to external devices, including certain energy meters, for advanced energy management.
Q: What is the ingress protection for outdoor cabinets?
A: The IP66 rating makes it suitable for installation in outdoor cabinets, protecting it from rain and dust.
Q: What is the standard warranty period?
A: We provide a solid 5-year warranty as standard, with a clear path to extend it to 10 years for long-term reliability.
Q: How does the product ensure safety for my family?
A: It includes leakage current protection and insulation resistance detection, which are critical safety features for protecting against electrical faults.
Introduction: Tailored for South Korea's advanced tech landscape and dense urban living, this inverter delivers compact, high-efficiency power conversion and smart connectivity.
FAQ:
Q: Is this inverter compatible with the Korean grid (220V, 60Hz)?
A: Yes, the nominal output of 220V/230V/240V and 60Hz frequency is a direct match for the standard South Korean grid specifications.
Q: How does the high efficiency align with Korea's Renewable Energy Certificate (REC) weights?
A: While REC weights depend on various factors, a high-efficiency inverter is always beneficial as it maximizes the total energy output of your system, which is a key metric.
Q: Can it be integrated with Korean home energy management systems (HEMS)?
A: Through its open communication protocols (CAN, RS485, Wi-Fi), it can be interfaced with locally developed HEMS for optimized energy control.
Q: What is the benefit of the compact size for apartments?
A: Its compact dimensions are ideal for space-constrained installations, such as utility balconies or dedicated machine rooms in Korean apartments.
Q: How does the low THDi (<3%) benefit the grid?
A: It injects very clean power, minimizing harmonic pollution and supporting the stability and quality of the local electrical grid, which is a priority in Korea.
Q: Is the Bluetooth APP available in Korean?
A: The associated mobile application supports multiple languages, including Korean, for a user-friendly experience.
Q: What is the maximum PV voltage, and is it safe?
A: At 550V, it is within safe limits for residential use and allows for longer string designs. It includes full DC overvoltage protection for safety.
Q: Can it handle the humidity during the Korean rainy season (jangma)?
A: Yes, the IP66 rating and ability to operate at 0-100% humidity make it well-suited to endure the humid conditions of the jangma season.
Q: What is the warranty and service support like in South Korea?
A: We offer a standard 5-year warranty with an optional 10-year extension, supported by our local partner for prompt service.
Q: How does the quick transfer time protect sensitive electronics?
A: The <10ms transfer time is faster than the blink of an eye, ensuring that sensitive Korean electronics like PCs and smart home devices remain operational during a grid outage.
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| Shenzhen First Tech Co., Ltd. |
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