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Their Switches are top notch. Very friendly and professional employees every step of the way. Sales consultant and post support have been on point, so thank you ProJoy Team!
-- Lutee Davis, Dahn Group
All of their workers were very professional and kept me well informed of what they were doing and when. I would highly recommend ProJoy. From production to shipment — The sales people were very knowledgeable, workmanship was excellent.
Fantastic communication and quality of products. Service in all steps was excellent.
-- Ida, BYD Company Limited
PROJOY has an experienced international professional marketing team, adhering to the marketing service concept of localization, has subsidiaries or authorized distributors in Italy, Britain, Australia, India, South Korea, Brazil, Taiwan and other places to accurately locate customer needs and meet international marketing needs.. Photovoltaic external DC switches have been sold to the UK, Australia, France and Italy, and photovoltaic rapid shutdown have been sold to Poland, Ireland and other places. In China, PROJOY’s solar built-in switch has supplied to the leading inverter manufacturers like Huawei and Sungrow.
PROJOY will continue to adhere to professional, intelligent and modular product line direction, constantly improve the company’s product line and improve the international competitiveness of PROJOY products. With capable management, globally competitive core technology, advanced production equipment and sophisticated testing equipment, global market channels, PROJOY will win the market.
1. PROJOY PEFS-PL Series Rapid Shutdown / RSD— PEFS-PL Series
We all know that as long as there is radiation on the panel, a voltage of 600~1500Vdc will be generated on the DC side. Even the DC isolator is integrated into the solar inverters, but even when the DC isolator is turned off, there will still be up to 600~1500Vdc between the inverter and the PV panels.
If fire happens in installation without firefighter safety switch, the high voltage DC current inside the panel array or between the panel array and the inverter will threaten the personal safety of firefighters.
PEFS-PL series rapid shutdown, each fast shutdown can serve 1 or 2 panels. Relying on built-in temperature sensor, it can automatically disconnect the equipment when the temperature exceeds 85℃. With Projoy's PEFS-PL rapid shutdown installed in PV system, each panel will be in open circuit state, and the voltage between panels will be lower than 80V or customized voltage level. The new generation PEFS-PL series which is now in development can monitor and optimize the power generation data of each panel in real time. In the event of an emergency, the panels can be quickly disconnected through the AC switch or fast shutdown button.
/ Power Line|
2. PROJOY PEFS-EL Series Rapid Shutdown / RSD— PEFS-EL Series
Projoy's PEFS-EL series rapid shutdown is applied to residential PV system or industrial and commercial PV system, its maximum loop voltage can be up to 1500V which meets the requirements of high-power panel. Relying on advanced temperature sensor to real-time monitoring the temperature inside the enclosure, Projoy’s rapid shutdown can automatically disconnect the switch if the inside temperature exceeds 70℃.
Voltage loss / Over temperature 70 degrades /emergency OFF|
3. PROJOY PEDS Series DC Isolator
4. PROJOY PEDS-H Series DC Isolator
5. PROJOY PEDH Series DC Isolator
6. PROJOY PEBS Series DC MCB
DC Miniature Circuit Breakers PEBS-H, with capacities of load isolation and overload/short circuit protection, are designed for PV, energy storage and other DC applications, mainly placed between batteries and hybrid inverters. Max voltage up to 1000VDC, current up to 125A. The main designing criteria of this circuit breakers is to provide scientific arc extinguishing and flash barrier technology to fulfill quick and safe current interruption. Tested according to EN 60947-2, AS/NZS IEC 60947.2: 2015.
/ 250V Per Pole|
7. PROJOY PEMC Series DC MCCB
PEMC DC Molded Case Circuit Breaker is suitable for large-scale PV systems, energy storage system, DC rated voltage can achieve 500 -1000V. Used in the rated current under 250A and distribution circuit, PEMC can be used as overload and short circuit protection, or as infrequent operation conversion of lines under normal conditions, which can quickly disconnect the fault current of DC system and ensure the stable operation of inverter, junction box and battery pack.
350 ~ 630 A|
8. DC/AC distribution box- PEJB/ PEDB Series