HPPV-BWG Photovoltaic Grid Cabinet

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HPPV-BWG Photovoltaic Grid Cabinet

HPPV-BWG Photovoltaic Grid Cabinet

The HPPV-BWG Photovoltaic Grid Cabinet is a reliable power integration unit designed for solar energy systems, enabling seamless connection between photovoltaic power sources and the grid. It provides protection, isolation, switching, and monitoring functions necessary for the safe and efficient operation of solar PV systems. Suitable for both low and medium voltage scenarios, this cabinet ensures stable energy transmission, effective fault isolation, and operational visibility.


Product Features
Integrated Protection System
Includes main circuit breakers, surge protection devices (SPDs), and isolation switches.Real-time protection against voltage surges and line disturbances.Optional residual current devices (RCDs) enhance fault detection and isolation.

Monitoring and Communication Capabilities
Built-in data acquisition and control modules allow real-time monitoring of voltage, current, power, and frequency.Supports communication protocols like Modbus, RS485, and Ethernet for remote control and diagnostics.Compatible with supervisory control and data acquisition (SCADA) systems.

High-Quality Construction Materials
The enclosure is made of coated steel or stainless steel with anti-corrosion treatment for durability.IP54/IP65 protection class allows for outdoor or indoor deployment.Internal components sourced from recognized manufacturers to ensure stable performance.

Product Applications
Commercial and Industrial PV Systems
Connects medium-to-large-scale solar installations to the utility grid.Enables safe distribution of power across buildings, warehouses, and manufacturing sites.Ideal for facilities with high daytime energy usage.

Utility-Scale Solar Power Stations
Integrates with large inverter systems to distribute and regulate power from solar farms.Supports centralized monitoring and rapid fault response to improve operational efficiency.Can be deployed at substations or field junctions.

Public Infrastructure and Smart Grid Projects
Helps integrate renewable power into municipal grids, campuses, and transportation hubs.Provides grid compliance features such as voltage control, load balancing, and energy metering.Enhances energy transparency and facilitates load forecasting.

Product advantages
●It can be fixed installation design or plug-in design;
●We use well-known domestic and foreign brand circuit breakers and component combinations to successfully assemble functional units, which have excellent technical performance and are safe and reliable; 
●It can be assembled into various standard unit modules for customers to choose and assemble at will; 
●With isolation between zones and mutual isolation between incoming and outgoing lines of functional units, it effectively enhances safety protection performance; 
●With combination assembly structure, all structural components of the frame are firmly connected with screws, and the frame, doors and panels are treated with phosphating and electrostatic spray coating. Non spray coating components are all galvanized and passivated. It can meet the requirements of various components and meet different working environments requirement, achieving corresponding protection levels; 
●The frame is made of high-quality steel plate, which can have holes with a module of 25mm on the frame, which can be expanded for various purposes.There are two ways for line incoming: upper and lower incoming; 
●With high breaking capacity, good dynamic and thermal stability, flexible and convenient electrical solution combination and strong practicality, the main parameters reach international advanced level; 
●Light weight, high mechanical strength and assembly accuracy, beautiful appearance.

HPPV-BWX 100 200 300 400 500 600 800
Basic parameter
Max.input voltage 400V
Measured data Three phase current,three phase voltage,active power,apparent power,power factor,frequency,electric meter 
Communication method/protocol RS485 bus/standard MODBUS-RTU protocol
Number of inputs Customized according to user requirements
Number of outputs 1
Rated AC voltage 400V
Max rated input current 250A 400A 630A 800A 1000A 1250A 1600A
Rated frequency 50Hz
Electric meter access Secondary access
Housing box
Box body material Hot dip galvanized steel plate/stainless steel/cold-rolled steel plate
Protection level IP30/IP65
Shell size Customization
Isolation switch Air circuit breaker
Rated voltage(AC) 400V
Rated current(AC) 250A 400A 630A 1000A 1000A 1250A 1600A
Type Single throw switch Draw-out type,fixed type,closing after voltage detected
Execution standards GB/T14048.3 GB/T14048.2
Residual current operated circuit breaker With air circuit breaker
Circuit breaker type 4P
Rated voltage(AC) 400V
Maximum current(AC) 250A 400A 630A 800A
Overvoltage protection value(phase voltage) 250-320V adjustable
Undervoltage protector(phase voltage) 145~200V adjustable
Phase loss protection value <50V
Executive standard GB/T14048.2-2008
AC surge protective device
Max working voltage(AC 400V
Max discharge current(AC 40kA 
Executive standard GB/T8170-2008
Molded case circuit breaker
Rated voltage(AC) 400V
Rated current(AC) Optional according to user requirements
Communication protocol Communication protocol:DTL645,topology recognition,electrical parameter measurement,carrier wave communication 
Executive standard GB/T14048.2
Environmental parameter
Working temperature  -20°℃ ~+60°℃
Working humidity 90%
Altitude 2000m(load shedding above 2000m)
Installation method Floor type
Optional features
AC fuse Optional
AC leakage protector Optional
Anti islanding device Optional
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