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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
2026-03-09
DC Circuit Breakers: An In-Depth Exploration of Their Diverse Applications
DC Circuit Breakers: An Overview of Their Applications Introduction to DC Circuit Breakers DC circuit breakers are essential components in electrical systems, designed to protect circuits from overcurrent and short circuits. Unlike traditional AC circuit breakers, DC circuit breakers operate on direct current, making them crucial in numerous applications, including renewable energy systems, electr
2026-03-08
Understanding Rapid Shutdown in Electrical Systems: A Guide for Safety and Efficiency
Rapid Shutdown is a critical safety feature in electrical systems, particularly for solar energy setups and other applications where quick disconnection from the grid is necessary. This mechanism is designed to rapidly de-energize electrical circuits, reducing the risk of electrical shock or fire during emergencies or maintenance activities. The primary function of Rapid Shutdown is to enhance the
2026-03-07
Safety First: The Essential Role of DC Isolation Switches in Hazard Prevention
Introduction to DC Isolation Switches In the dynamic world of electrical systems, safety and efficiency remain paramount. Among the essential components that facilitate both is the **DC isolation switch**. These devices play a crucial role in hazard prevention by disconnecting electrical circuits in case of maintenance or emergencies. Understanding their function and significance is vital for an
A professional electrical equipment manufacturer & Solar Safety Solution provider.
Copyright © 2025 Projoy Electric Co., Ltd.
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