125KW OnGrid Inverter Manufacturer | Wholesale Factory Price
Wholesale 125KW OnGrid Inverter from China factory. 98.7% Max efficiency, 10 MPPTs, IP66 protection. 5-year warranty, MOQ 1. Request project quote now.
Product Overview & System Integration
The Hemao 125KW OnGrid Inverter is engineered for large-scale commercial rooftops and distributed ground-mount systems. This unit operates on a three-phase 380V/400V/415V grid connection, supporting a maximum DC input voltage of 1100V. Our factory provides deep system-level integration, including custom firmware for regional grid codes and RS485/WiFi/PLC communication protocols for SCADA synchronization. The hardware is built for high-performance thermal stability, maintaining rated output in ambient temperatures up to 45°C.
Material & Technical Specifications
|
Parameter |
Specification / Value |
|
Max. DC Input Power |
187.5 KW |
|
Max. DC Input Voltage |
1100 V |
|
MPPT Operating Voltage Range |
180 V - 1000 V |
|
Number of MPPTs |
10 / 12 (Optional) |
|
Max. Efficiency |
98.70% |
|
Rated Output Voltage |
3/N/PE, 230/400V |
|
Power Factor |
0.8 leading to 0.8 lagging |
|
Safety Protections |
OVP, OCP, SCP, Islanding Protection, AFCI |
|
Environmental Limits |
-25°C to +60°C (Derating >45°C) |
|
Max. Operating Altitude |
4000m (Derating >3000m) |
|
Design Life |
20+ Years |
Quality Control & Global Standards
Xiamen Hemao Industry enforces a 100% full-load aging test for 24 hours on every 125KW unit before dispatch. Our quality assurance protocol includes EL testing of internal PCBA and insulation resistance verification under high-humidity conditions. The manufacturing process adheres to ISO 9001, with full certification support for CE, TUV, VDE, and RoHS compliance, ensuring bankability for utility-scale EPC procurement.
Packaging & Logistics Safety
For bulk export, 125KW inverters are secured in reinforced, IPPC-certified wooden crates. Each unit is encased in anti-static PE foam and vacuum-sealed to prevent salt mist corrosion during sea freight. Pallets are double-strapped with PET bands and equipped with impact indicators to monitor handling integrity during multi-modal transport to project sites.
Typical Application Scenarios
Commercial Industrial Rooftops: Large-scale factory self-consumption systems.
Distributed Power Plants: Utility-scale ground-mount arrays requiring multiple MPPTs.
Floating PV Systems: High-humidity environments requiring IP66 salt mist resistance.
Solar Parking Lots: Integration with EV charging infrastructure for smart energy hubs.
PAA (People Also Asked)
Q: How does the 125KW inverter manage heat dissipation in desert climates?
A: The unit utilizes an intelligent redundant fan cooling system combined with high-grade aluminum heat sinks. The cooling logic adjusts fan speed based on internal temperature and DC load, maintaining the core power module temperature below critical thresholds and preventing thermal derating up to 45°C ambient temperature.
Q: Is this 125 kW on-grid inverter compatible with high-current 210mm solar cells?
A: Yes. The MPPT input current is rated up to 30A-40A per MPPT, specifically designed to handle high-power modules using 182mm and 210mm cells. This compatibility prevents current clipping, ensuring the system captures the maximum available energy from the latest Tier 1 module technologies.
Q: What is the lead time for OEM branding and custom grid-code firmware?
A: Standard units are stocked for immediate dispatch. For wholesale OEM orders involving laser-printed logos and specialized firmware for regional grid codes (e.g., G99, AS4777.2), the factory production cycle is 15-21 days. We provide batch-specific test reports for all custom-configured units before shipping.
Call to Action
Request a precise system wiring diagram and wholesale project quote within 24 hours. Batch OEM samples available for quality testing and grid compliance verification. Contact our EPC procurement desk for bulk factory pricing.
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