# www.chinasuntree.com > China Suntree company produces EV chargers, dc circuit breaker, DC fuses, solar fuse, dc Isolator, solar combiner box and dc switch with leading technical level in this field. ## Available Pages - [History](https://www.chinasuntree.com/history): SUNTREE's development in new energy began in 2007, when the company entered the photovoltaic electrical and EV charging markets with a focus on transmission, distribution and protection technologies. Building on its experience in the traditional electrical industry, SUNTREE expanded its capabilities across photovoltaic systems, battery-related applications and electric vehicle charging solutions. The company has also established dedicated R&D and laboratory facilities for product development, component testing and lifecycle verification, supporting reliable solutions for residential, commercial and utility-scale renewable energy projects. - [Social Responsibility](https://www.chinasuntree.com/social-responsibility): SUNTREE integrates sustainability and corporate social responsibility into its long-term business strategy, aligning its initiatives with the United Nations Sustainable Development Goals. The company focuses on environmental, social and economic sustainability through responsible decision-making, sustainable electrical solutions and continuous improvement across its operations. Its social responsibility framework covers key areas including climate action, resource management, social impact, trust, equity and innovation, supporting SUNTREE's goal of creating long-term value for customers, employees, communities and the environment. - [Partners](https://www.chinasuntree.com/partners): SUNTREE works with distributors and business partners to expand the availability of its electrical and new energy products in global markets. Its distributor support framework includes pricing and market protection, product and design assistance, marketing and branding resources, product training, technical support, logistics coordination, after-sales support and business planning. Partners can access product portfolios covering PV and energy storage, EV charging, electrical systems, and cable and wire solutions for residential, commercial and infrastructure applications. - [Careers](https://www.chinasuntree.com/careers): SUNTREE offers career opportunities in the renewable energy and electrical industries, with roles connected to solar power systems, energy storage solutions, EV charging infrastructure, international trade, marketing, project management and research and development. Employees work with customers and partners across more than 100 countries and gain exposure to international markets, real-world energy projects and cross-functional collaboration. The company emphasizes learning, innovation, career progression and individual responsibility within a fast-growing global team. - [Grid-connected DC Accessories](https://www.chinasuntree.com/dc-accessories): SUNTREE provides grid-connected DC accessories for photovoltaic and other DC power applications, covering protection, rapid shutdown, surge protection, overcurrent protection and electrical isolation. The product range includes rapid shutdown devices, DC circuit breakers, DC MCBs and MCCBs, DC surge protective devices, DC fuses, PV and battery fuses, DC isolating switches and load disconnect switches. Available product families cover multiple DC voltage levels, including solutions for systems up to 1500V DC. - [Energy Storage DC Accessories](https://www.chinasuntree.com/energy-storage-dc-accessories): SUNTREE provides DC protection and isolation products for energy storage applications, including DC isolating switches, waterproof DC protection devices and high-voltage DC molded case circuit breakers. The product range includes solutions designed for energy storage systems operating at high DC voltages, with selected DC MCCBs rated up to 1500V. The category also connects to hybrid on-grid and off-grid energy storage system solutions, supporting safe switching, isolation and circuit protection within battery-based power systems. - [Off-grid DC Accessories](https://www.chinasuntree.com/off-grid-dc-accessories): SUNTREE provides DC protection products for off-grid and battery-based power systems, covering circuit protection, surge protection and overcurrent protection. The product range includes DC circuit breakers, DC surge protective devices and DC fuses designed for different DC voltage levels and energy storage-related applications. Available products include DC breakers up to 1200V, surge protective devices up to 1500V and DC fuses up to 1500V for protecting off-grid and battery-connected electrical circuits. - [Combiner Box](https://www.chinasuntree.com/combiner-box): SUNTREE provides combiner box solutions for photovoltaic and electrical power systems, including DC combiner boxes, AC combiner boxes, hybrid DC+AC combiners and related electrical enclosures. Its DC combiner box range is designed to aggregate multiple PV string inputs and can integrate functions such as isolation, surge protection, overcurrent protection and short-circuit protection. Available products cover multiple system configurations and DC voltage levels from 500V to 1500V, while AC solutions include single-phase and three-phase combiner boxes for different power distribution requirements. - [Solar Cable](https://www.chinasuntree.com/solar-cable): SUNTREE provides solar cables, also referred to as PV cables, for electrical connections within photovoltaic power systems. The Solar Cable range includes multiple conductor sizes, including 2.5mm², 4mm², 6mm², 10mm² and 16mm² options, together with additional solar cable configurations such as Solar Cable 2X. SUNTREE solar cables can be customized according to different standards, material requirements and flexibility needs for photovoltaic system applications. - [Energy Storage Cable](https://www.chinasuntree.com/energy-storage-cable): SUNTREE provides cable and connection products for energy storage system applications, including energy storage connectors and single-core cable solutions. The Energy Storage Cable category is designed to support electrical connection requirements within battery and energy storage systems, with products that can be adapted to different standards, material requirements and flexibility needs. Current products include multiple energy storage connector configurations together with single-core cable products for related power connection applications. - [AC EV Charger](https://www.chinasuntree.com/ac-ev-charger): SUNTREE provides AC EV chargers for residential and commercial electric vehicle charging applications, including wallbox, portable and pedestal-mounted charging products. The AC EV Charger range includes single-phase and three-phase models with charging power options such as 3.5kW, 7kW, 11kW and 22kW. Available products support functions including plug-and-charge operation, RFID access, Wi-Fi and Bluetooth APP control, Ethernet or 4G connectivity, OCPP communication, dynamic load balancing and adjustable charging current across different charger configurations. - [Charger Accessories](https://www.chinasuntree.com/charger-accessories): SUNTREE provides accessories for EV charging installations, including charging cables, distribution and protective boxes, adapters, holders, stands and other optional charging-system attachments. The current Charger Accessories range includes products such as the Meter Box EV Distribution Board and the STGAE-11 EV charging cable, supporting electrical distribution, protection and vehicle-to-charger connection requirements within EV charging installations. - [Accessories](https://www.chinasuntree.com/accessories): SUNTREE provides accessories and installation products for photovoltaic, AC electrical and energy storage applications. The portfolio includes solar connectors rated up to 1500V DC, T-type and Y-type branch connectors, wire stripping and crimping tools, wire cutters, toolkits, photovoltaic mounting systems, stainless steel and nylon waterproof cable glands, air circuit breakers and ESS fuses. These products support electrical connection, cable entry, installation, mounting and auxiliary protection requirements across PV and energy storage systems. - [Systems](https://www.chinasuntree.com/systems): SUNTREE provides integrated system solutions for photovoltaic power generation, energy storage and electric vehicle charging applications. The Systems portfolio includes grid-connected PV systems, off-grid and battery-based energy storage systems, lithium battery and hybrid inverter solutions, and EV charging systems with wallbox, smart and portable charger options. Available configurations cover residential, commercial and other distributed energy applications, with PV system examples ranging from single-phase 3–8kW systems to three-phase 15–30kW systems. - [Fuse Series](https://www.chinasuntree.com/fuse-series): SUNTREE provides fuse products for DC and AC electrical applications, including high-voltage solar PV fuse links, fuse holders and AC fuse switching products. The DC fuse range includes 1000VDC and 1500VDC photovoltaic fuse links across multiple current classes from 40A up to 1250A, together with matching fuse holder and base products. The AC fuse range includes bar-type fuse disconnect switches for circuit protection and switching applications. - [Low Voltage](https://www.chinasuntree.com/low-voltage): SUNTREE provides low-voltage electrical products for circuit protection, isolation, residual-current protection, voltage protection, power switching and electrical control applications. The Low Voltage portfolio includes miniature circuit breakers, molded case circuit breakers, switch disconnectors, earth leakage protection devices, RCCBs, RCBOs, overvoltage and undervoltage protectors, automatic and manual transfer switches, contactors, fuse products, integrated electrical cabinets and universal circuit breakers. These product families support a range of low-voltage power distribution and electrical protection requirements. - [High Voltage](https://www.chinasuntree.com/high-voltage): SUNTREE provides high-voltage circuit protection products within its Electrical System portfolio, with a current focus on high-voltage vacuum circuit breakers. The High Voltage category includes indoor and outdoor vacuum circuit breaker products for high-voltage electrical switching and protection applications. Current product examples include the SV8 Indoor High Voltage Vacuum Circuit Breaker and the ZW32 Outdoor High Voltage Vacuum Circuit Breaker. - [Smart IoT Series](https://www.chinasuntree.com/smart-iot-series): SUNTREE provides smart IoT electrical products for connected circuit protection, monitoring and data communication within electrical distribution systems. The Smart IoT Series includes IoT circuit breakers, data transmission gateways and IoT molded case circuit breakers. Current products include an IoT residual circuit breaker, a data transmission gateway and an IoT molded case circuit breaker, supporting intelligent protection and connected electrical system applications. - [Company News](https://www.chinasuntree.com/company-news): SUNTREE's Company News page publishes official updates about the company's business activities, technical events, partner programs, certifications, organizational development and corporate milestones. The news archive includes reports on international technical workshops, distributor and agent events, product certification achievements, strategic conferences, team activities, industrial park development and other company-related announcements. - [Industrial news](https://www.chinasuntree.com/industrial-news): SUNTREE's Industrial News section provides technical articles and application guidance for photovoltaic systems and DC electrical protection. The content covers rapid shutdown devices, DC circuit breakers and MCCBs, DC fuses, surge protective devices, isolating switches, combiner boxes and related system protection topics. Articles address product selection, installation, maintenance, troubleshooting, component failure, system compatibility and electrical code requirements for solar and other DC power applications. - [Asia](https://www.chinasuntree.com/asia): SUNTREE's Asia Exhibitions page presents the company's participation in renewable energy, photovoltaic, electrical and EV charging exhibitions across Asian markets. The exhibition archive includes events in China, Thailand, Indonesia, India and other locations, such as SNEC PV+, ASIA Sustainable Energy Week, the Canton Fair, Solartech Indonesia and Renewable Energy India Expo. Through these events, SUNTREE showcases products and solutions including photovoltaic and energy storage equipment, electrical components, EV chargers, combiner boxes, DC circuit breakers, surge protective devices and isolating switches. - [Europe](https://www.chinasuntree.com/europe): SUNTREE's Europe Exhibitions page presents the company's participation in renewable energy, photovoltaic, electrical and EV charging exhibitions across European markets. The exhibition archive includes events in Germany, Spain, Italy, Poland, the United Kingdom and other European locations, such as Hannover Messe, Intersolar Europe, GENERA, The Smarter E Europe, Solar Energy Expo and the London EV Show. Through these events, SUNTREE showcases photovoltaic DC protection solutions, smart AC electrical products, DC circuit breakers, new energy systems and EV charging products for European customers and industry partners. - [Americas](https://www.chinasuntree.com/americas): SUNTREE's Americas Exhibitions page presents the company's participation in renewable energy, photovoltaic and electrical industry events across North and South American markets. The exhibition archive includes events such as RE+ Mexico, RE+ in the United States and renewable energy exhibitions in South America, highlighting SUNTREE's presence in regional solar and new energy markets and its engagement with customers, distributors and industry partners. - [Africa](https://www.chinasuntree.com/africa): SUNTREE's Africa Exhibitions page records the company's participation in renewable energy and solar industry events in African markets. The current exhibition archive includes Solaire Expo Maroc in Morocco, reflecting SUNTREE's engagement with the regional photovoltaic and renewable energy industry and its efforts to connect with customers and partners in the African market. - [Oceania](https://www.chinasuntree.com/oceania): SUNTREE's Oceania Exhibitions page presents the company's participation in renewable energy and electrical exhibitions in Australia and the wider Oceania market. The exhibition archive includes All-Energy Australia and Energy Show of Australia events, where SUNTREE showcased electrical protection products such as DC circuit breakers, DC surge protective devices and DC isolating switches for photovoltaic and renewable energy applications. - [Solution](https://www.chinasuntree.com/solution): SUNTREE provides electrical and new energy solutions for photovoltaic power generation, battery energy storage and electric vehicle charging applications. Its solution portfolio covers photovoltaic power stations, residential and commercial rooftop solar systems, battery energy storage systems and EV charging applications. Depending on the application, SUNTREE combines products such as combiner boxes, DC isolating switches, rapid shutdown devices, DC circuit breakers and molded case circuit breakers, energy storage products, and AC and DC EV chargers to support protection, isolation, power management and charging requirements across renewable energy systems. - [Product Manuals](https://www.chinasuntree.com/product-manuals): SUNTREE provides downloadable product manuals and instruction documents for selected electrical, photovoltaic protection and EV charging products. The Product Manuals page includes technical documentation for products such as 1500V DC fuses, 1000V and 1500V DC molded case circuit breakers, EV chargers and rapid shutdown devices, giving users direct access to product-specific PDF manuals and operating information. - [Customer Service](https://www.chinasuntree.com/customer-service): SUNTREE provides customer service throughout the business and project lifecycle, covering initial communication, technical support, product and schematic design, quotation and scheduling, documentation support, production and delivery management, and after-sales service. Its service process includes customer engagement, ongoing technical assistance, certificate and test report support, quality and material inspection, production and delivery tracking, issue response, customer satisfaction follow-up and long-term distributor and partner support. - [FAQ](https://www.chinasuntree.com/faq): SUNTREE's FAQ center provides answers to common questions about the company, electrical and new energy products, photovoltaic systems, EV charging products, purchasing, customization, payment, shipping, warranty and technical support. The page covers company and manufacturing information, product and certification questions, EV charger specifications and customization, order procedures, payment methods, lead times, shipping options, after-sales support, troubleshooting, distributor cooperation and customer contact information. - [Photovoltaic project](https://www.chinasuntree.com/photovoltaic-project): SUNTREE showcases photovoltaic project references from multiple international markets, demonstrating the use of its electrical protection and connection products in real solar installations. The project portfolio includes PV systems ranging from 25kW to 1MW in countries such as the Philippines, Thailand, South Africa, Armenia, Romania, Australia and Singapore. Referenced products include combiner boxes, photovoltaic cables, DC isolating switches, DC circuit breakers, DC surge protective devices and selected AC-side protection products used across different photovoltaic project configurations. - [Contacts](https://www.chinasuntree.com/contacts): SUNTREE's Contacts page provides official communication channels for product inquiries, project cooperation, technical support and quality feedback. Customers can submit an inquiry form or contact SUNTREE Electric Group Co., Ltd. and Wenzhou Xinchi International Trade Co., Ltd. directly. Dedicated contact channels are provided for the PV Energy Storage Department and EV Charger Department, together with separate email contacts for technical support and complaints or quality feedback. ## Frequently Asked Questions - [What does SUNTREE manufacture?]:A:SUNTREE manufactures electrical products and system solutions for photovoltaic, energy storage, power distribution and EV charging applications. Its product portfolio includes DC and AC circuit breakers, fuses, surge protection devices, isolating switches, combiner boxes, electrical distribution products, solar and energy storage cables, AC and DC EV chargers, and related system components.. - [What industries and applications does SUNTREE serve?]:A:SUNTREE supplies products and solutions for grid-connected and off-grid photovoltaic systems, energy storage systems, residential and commercial electrical distribution, industrial electrical applications and EV charging infrastructure. Its products and solutions are supplied to customers and projects in more than 100 countries worldwide..