PV Grid-Connection Cabinet

PV Grid-Connection Cabinet

Overview

The PV grid-connection cabinet is an outdoor integrated solution incorporating core components such as grid-connection circuit breakers, anti-islanding protection devices, reverse power flow protection devices, power quality monitoring meters, surge protective devices (SPD), and auxiliary power supplies. Featuring factory pre-assembly and modular design, it offers high reliability, intelligent protection, flexible deployment, and plug-and-play convenience. It is widely applicable in distributed PV power systems, commercial and industrial rooftop PV installations, residential PV systems, and other scenarios, ensuring safe, stable, and efficient grid integration of PV systems.

More details

Technical Specifications

Rated Voltage

 Up to 0.69 kV

Rated Current

 Up to 6300 A

Rated Frequency

 50 Hz / 60 Hz

Product Specifications Details

Technical Specifications

Rated Voltage

 Up to 0.69 kV

Rated Current

 Up to 6300 A

Rated Frequency

 50 Hz / 60 Hz

Normal Operating Environment

Altitude: ≤ 2000 m (derating required above 2000 m)

Ambient Temperature: -25°C ~ +55°C (operating); -40°C ~ +70°C (storage)

Relative Humidity: 5% ~ 95% (non-condensing)

Protection Level: IP54 / IP55

Installation Environment: No severe vibration, no explosion hazard, and no gases or dusts that may corrode metals or damage insulation

Functions & Features

Highly Integrated: Integrates grid-connection, protection, metering, and monitoring functions into a standard cabinet, enabling plug-and-play and significantly reducing on-site installation time.

Safe & Reliable: Equipped with multiple protection functions including anti-islanding protection, reverse power flow protection, over-current protection, short-circuit protection, and surge protection, ensuring the safe and stable operation of both the PV system and the grid.

Intelligent Monitoring: Built-in multifunction power meter and intelligent communication module support remote monitoring, data acquisition, and fault diagnosis, enabling real-time tracking of power generation and grid-connection status.

Flexible Configuration: Circuit breaker specifications, protection functions, and communication interfaces can be flexibly configured according to project requirements, meeting grid-connection needs of various scales.

Technical Parameters

Item

Unit

Grid-Connection Circuit Breaker

Protection & Monitoring Device

Auxiliary Components

Rated Voltage

V AC

400 / 690

230 / 400

230 / 400

Rated Current

A

630 / 1600 / 2500 / 3200

-

-

Breaking Capacity

kA

35 / 50 / 65

-

-

Protection Level

-

IP54 / IP55

IP20

-

Communication Interface

-

-

RS485 / Ethernet / 4G

-

Control Voltage

V AC/DC

230 / 400

230 / 110 / 24

230 / 24

 

Information Required for Inquiry or Order Placement

Please provide the following accurate information to facilitate our technical calculation and production scheduling:

Item

Details Required

Project Overview

Project name, installation location, operating environment (e.g., altitude, max/min temperature, relative humidity, presence of corrosive gases or severe vibration, etc.)

Product Model & Specs

Specify the required PV grid-connection cabinet model, rated voltage (V AC), rated current (A) ,and Rated frequency (Hz).

Circuit Breaker Config

1. Rated current (A) 2. Breaking capacity (kA) 3. Number of poles (3P / 4P) 4. Control voltage (V)

Protection & Monitoring

1. Anti-islanding protection device: required or not, and specific model requirements 2. Reverse power flow protection: required or not, and specific model requirements 3. Multifunction power meter: brand, specifications, and measurement parameter requirements

Appearance & Dimensions

Specify enclosure material (e.g., stainless steel, galvanized steel with powder coating), color (provide color card number or RAL code), and overall dimension constraints (if any site limitations apply)

Protection Level

Specify the overall IP protection level requirement for the cabinet

Key Technical Parameters & Configuration Requirements

Item

Requirements

Surge Protection Device (SPD)

Specify SPD class (e.g., T1 / T2), maximum discharge current (Imax), and number of poles (e.g., 4P)

Current / Voltage Transformers

Specify CT transformation ratio, accuracy class (e.g., 0.5 / 0.5S), and quantity; specify PT specifications

Monitoring & Communication

Specify communication interface (e.g., RS485, Ethernet) and protocol (e.g., Modbus RTU/TCP, IEC 61850)

Special Function Requirements

If anti-condensation device, video surveillance, access control system, emergency lighting, etc. are needed, please specify in writing in advance

Ordering Process & Precautions

Step

Description

Technical Agreement

For non-standard products or complex projects, both parties must sign a detailed Technical Agreement before production scheduling, which shall serve as an annex to the contract with equal legal effect

Drawing Confirmation

We will provide cabinet outline drawings, foundation drawings, and single-line diagrams based on your requirements. Please sign and confirm promptly. Any schedule delays resulting from this shall be borne by the client

Change Management

After order confirmation and drawing sign-off, any technical or commercial changes must be submitted in writing and re-confirmed by both parties before execution. Cost increases or schedule delays caused by changes shall be borne by the requesting party

Site Coordination

Please ensure on-site foundation construction is carried out strictly according to our foundation drawings, with adequate space reserved for hoisting and transportation. If on-site installation guidance or commissioning services are required, please schedule in advance

If you are looking for reliable power support for your project, please contact the Kima Electric team. We are ready to provide you with the best solutions.

Convenient Inquiry Process

You may contact us through various channels, including our website and email. You can also download and fill out the "Inquiry Application Form" from our official website, or provide your existing technical documents and drawings directly as the basis for requirement assessment. We will provide you with a quotation as soon as possible.

Production & Quality Control

Before formal production begins, we will provide detailed technical proposals including specification parameters and structural drawings for your review and confirmation.

We strictly implement the ISO quality management system, with comprehensive monitoring of raw materials, production processes, and finished product inspection to ensure stable and reliable quality for every customized product.

Delivery & After-Sales Service

Specialized packaging compliant with international standards, lined with high-performance moisture-proof and shock-absorbing materials, ensuring absolute safety during long-distance transportation.

Each shipment includes detailed user manuals, maintenance manuals, and related technical documentation.

Remote or on-site installation guidance and commissioning services are available upon request.

Comprehensive after-sales support including technical consultation, troubleshooting, and spare parts supply to ensure long-term stable operation of the equipment.

Product Certification

Who Are We

Kima Electric--Pioneers in intelligent power manufacturing.

Kima Electric is a global brand under Anhui Jinma Electric Technology Co., Ltd.. and is a professional manufacturer of transformers &power transmission and distribution equipment in China. Established in 2001 and located in Wuwei, Wuhu City, Anhui Province, China ,the company occupies a facility spanning 93 mu (approximately 62,000 square meters) with a building area of 51,000 square meters and a professional team of over 180 personnel. With over 20 years of industry expertise, we have developed a comprehensive production system, rigorous quality control, and a culture of continuous innovation. We are committed to providing global customers with exceptional quality assurance and professional services.

View Our Story
  • 0 +

    Factory Area (㎡)

  • 0 +

    Employees

  • 0 +

    Industry Experience

  • 0 +

    Countries Sale

Anhui Kima Electric Technology Co., Ltd.
Certificate Of Honour
  • Certification of Excellent Scenario Management System for Intelligent Manufacturing
  • Excellent Smart Factory Certification
  • Environmental Management System Certification Certificate
  • Occupational Health and Safety Management System Certification Certificate
  • Social Responsibility Management System Certification
  • Energy Management System Certification Certificate
  • Quality Management System Certification Certificate
  • Laboratory accreditation certificate
  • S11-M-1250-10  Certificate of Quality
  • S13-M-2500-10 Certificate of Quality
  • SCB13-2500-10 Certificate of Quality
  • SCB10-2000-10(Class H)Certificate of Quality
Latest News
Message Feedback