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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
2026-03-19
Understanding Load Ratings in DC Circuit Breakers: A Comprehensive Guide
Understanding Load Ratings in DC Circuit Breakers Introduction to Circuit Breakers In the realm of electrical engineering, **circuit breakers** play a pivotal role in safeguarding circuits from overloads and short circuits. They act as automatic switches that disconnect the electrical supply when abnormalities are detected. This functionality is crucial for both AC and DC systems, but the nuances
2026-03-18
Understanding Rapid Shutdown: Enhancing Safety in Electrical Systems
--- In the realm of construction and decorative materials, particularly in systems that involve electrical components such as switches, the concept of Rapid Shutdown is gaining significant attention. Rapid Shutdown refers to a safety mechanism designed to quickly disconnect electrical systems from their power source in emergencies. This technology is essential for protecting both personnel and pro
2026-03-17
How to Properly Test Your DC Isolation Switch for Reliability
How to Properly Test Your DC Isolation Switch for Reliability Table of Contents 1. Introduction to DC Isolation Switches 2. Importance of Testing DC Isolation Switches 3. Procedures for Testing DC Isolation Switches 4. Safety Measures Before Testing 5. Common Problems with DC Isolation Switches 6. Troubleshooting DC Isolation Switches 7. Maintenance Tips for Longevity 8. Frequentl
A professional electrical equipment manufacturer & Solar Safety Solution provider.
Copyright © 2025 Projoy Electric Co., Ltd.
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