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PEBS-S-80 (UL)
PEBS-L (80V/160V,63A/125A)
PEBS-H (250-1000V,63A/125A)
PEBS-L-125 (UL1077)
PEBS-H-50
Weatherproof Enclosure (PEMC Series )
DC MCCB (PEMC Series)
PEDS (1500V,16~55A) Series
PEDS-H-R/F (1500V,16~55A) Series
PEDS-H (1500V;40A,50A) Series
PEDS-EL (16~55A) / PEDSC-EL (32A)
PEDSC (1000V&1200V;32A) Series
DC Combiner Box (PEJB Series)
AC Combiner Box (PEDB Series)
DC&AC Combiner Box (PEJDB Series)
EPS Box
DC SPD PESP Series (Standard)
DC SPD PESP Series (Advanced)
DC FUSE (PEDF Series)
DC Contactor (PEDC Series)
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MAIN PRODUCTS
We provide DC Isolation Switch, Miniature Circuit Breaker, DC Surge Protector, Rapid Shutdown, Micro Inverter, Smart Electricity Meter and other components for Solar and Energy Storage System use.
INDUSTRY SOLUTIONS
We offer all needed DC and AC power distribution components for PV and energy storage systems use, which can be applied to various scenarios, such as residential rooftops, commercial buildings and industrial rooftops.
Residential Solar and Energy Storage System
Residential photovoltaic + energy storage power stations can be divided into various working modes such as backup power supply, self-use, peak shaving and valley filling, etc. By combining hybrid inverter and EPS switching box, the system can miximize the usage of mains power, photovoltaic power, and EPS energy storage power, greatly improving the utilization rate of electric energy.
View MorePROJECTS
PPOJOY Circuit Breaker
Location: Brazil
PPOJOY Circuit Breaker
Location: USA
PPOJOY Isolating Switch
Location: Saudi Arabia
PPOJOY Array-Level Rapid Shutdown
Location: Germany
PPOJOY Array-Level Rapid Shutdown
Location: Ireland
ABOUT PROJOY
Projoy Electric Co., Ltd (PROJOY ELECTRIC) was founded in 2011 and headquartered in Suzhou, China. It is a pioneer manufacturer in China that focusing on providing protection, safety and metering products, such as DC Isolation Switch, Miniature Circuit Breaker, DC Surge Protector, Rapid Shutdown, Micro Inverter, Smart Electricity Meter and other accessory products for PV and Energy Storage System use.
Our Vision
Focusing on the concept of “Switch to Safety”, we will never stop innovating for a safer and smarter new energy world.
Our Mission
To continue our dedication to providing a wide range of well-designed safety products, exceptional customer service, and great experiences.
Years experience in PV & energy storage industry
R&D talents globally
Production Lines
Exported to more than 60 countries
Of China's mainstream energy storage inverter / PAck manufacturer are using Projoy's DC MCB.
Of China's mainstream inverter manufacturers are using Projoy's PV isolators.
GLOBAL PARTNERS
Empower innovation in industries and continuously contribute towards a better future.
NEWS & EVENTS
2025-09-15
Understanding the Importance of DC Isolation Switches in Electrical Systems
In the realm of electrical systems, particularly in the building and decorative materials sector, DC isolation switches are indispensable components. These switches, designed specifically for direct current (DC) applications, serve as essential safety devices that allow for the safe disconnection of electrical circuits. Their primary function is to isolate the electrical supply for maintenance or
2025-09-14
The Evolution of Energy Storage System Components Over the Years: A Comprehensive Analysis
The Evolution of Energy Storage System Components Over the Years Energy storage systems play a crucial role in modern electrical infrastructure by ensuring a reliable power supply and facilitating the integration of renewable energy sources. Over the years, significant advancements have been made in the components of these systems, transforming how we store and utilize energy. In this comprehensiv
2025-09-12
Top Features to Look for in a High-Quality DC Circuit Breaker
Top Features to Look for in a High-Quality DC Circuit Breaker Table of Contents 1. Introduction to DC Circuit Breakers 2. The Importance of Choosing a Quality Circuit Breaker 3. Key Features to Consider 3.1 Current Rating 3.2 Voltage Rating 3.3 Tripping Mechanism 3.4 Response Time 3.5 Temperature Performance 3.6 Size and Design 3.7 Durability a
A professional electrical equipment manufacturer & Solar Safety Solution provider.
Copyright © 2025 Projoy Electric Co., Ltd.
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