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
2025-06-11
PROJOY Debuting Multiple New Products at SNEC 2025
PROJOY made a stunning appearance at SNEC2025 in Shanghai, China. By showcasing multiple innovative products and outstanding technical strength, PROJOY demonstrated its robust technological capabilities and core competitiveness in the photovoltaic field to global customers and partners.
2025-05-21
Relive the Excitement – PROJOY Roadshow Was a Game-Changer in the Philippines!
On May 21, 2025, Projoy Electric has hosted the electrifying launch event in the Philippines. As China’s first rapid shutdown device manufacturer, we have proudly served the Philippine market for years with our string-level and module-level rapid shutdown solutions.