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Photovoltaic Rapid Shutdown YRSD-2A

YRSD-A series firefighter safety switch is used to disconnect the direct current between solar panels and inverter, remove the DC high voltage in the PV string, and avoid the risk

Photovoltaic Rapid Shutdown YRSD-2A

● Firefighter Satety Switch for Solar System.

● Over temperature protection.

● Plug and play easy installation.

● IP66 aluminum durable enclosure.

● Emergency button for 100% disconnect.

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YRSD-A series firefighter safety switch is used to disconnect the direct current between solar panels and inverter, remove the DC high voltage in the PV string, and avoid the risk of electric fire.

 

● Rapid Shutdown YRSD-A series firefighter safety switch is designed to disconnect the DC current flow between solar panels and inverter. It is used as a safety measure to remove the high voltage DC power in the PV string and reduce the risk of electric fire. The switch is particularly useful for firefighters and emergency personnel who need to access a building or structure equipped with photovoltaic (PV) systems.

 

● Rapid Shutdown YRSD-A series firefighter safety switch is typically installed in a weatherproof enclosure, and it features a lockable handle that can be easily operated with gloves on. The switch is capable of interrupting up to 1000 volts DC and has a maximum current rating of 32 amperes. The switch is also equipped with arc suppression technology to prevent arcing during the switching process.

 

● Rapid Shutdown YRSD-A series firefighter safety switch is an essential safety device for PV system installations. It protects people and property from the hazards associated with DC power and allows for easy disconnection of the system in case of emergency.

 

Technical Data

Model

YRSD-A

Max DC voltage IEC/EN 60947-3

1500V/1000V

Max DC current IEC/EN 60947-3

26A/50A

Model No.

YRSD-10A

Number of Strings

10 strings

Operating Voltage

90Vac-260Vac

Nominal Voltage

230Vac

Nominal Current

30mA

Start up Current

average 100mA

Switch on Action Current

Max 300mA

Standard Compliance

IEC / EN 60947-3

Protection Degree

IP66

Storage Temperature Allowed Between

-40℃ to +85℃

Operating Temperature Range

-20℃ to +50℃

Maximum Operating Temperature Before
   Automatic Switch OFF

+85℃

Protection Level

Class ll

Mechanical Endurance

9700

Electrical Endurance

300

Warranty

5 Years

 

 

Intended use of Rapid Shutdown:
The Rapid Shutdown has been especially developed as a safety device for direct current (DC) photovoltaic installations. The DC disconnect switch is used to disconnect the connected strings of the installation in case of an emergency situation. 

 

Location of the Rapid Shutdown:
The Rapid Shutdown needs to be placed as close to the solar panels as possible. Due to its enclosure, the switch is protected against external inflfluences like dust and moisture. The whole set-up is conformed to IP66 which makes it suitable for outdoor usage.
The application of rapid shutdown in daily life extends beyond PV system installations. While the primary purpose of rapid shutdown is to enhance safety in the context of DC power systems, there are other scenarios where similar principles can be applied.

 

Electric Vehicles (EVs): 
Rapid shutdown principles can be applied to EV charging stations. In the event of an emergency or when maintenance work needs to be performed on the charging station, a rapid shutdown mechanism can quickly cut off the power supply to the charging cables, ensuring the safety of users and preventing potential electrical hazards.

 

Industrial Machinery: 
In industrial settings, there are often large machines and equipment that run on high-voltage DC power. Implementing rapid shutdown mechanisms in these systems can help protect workers and prevent accidents by quickly shutting down the power supply in emergency situations.

 

Battery Storage Systems: 
Battery storage systems, such as those used in residential or commercial settings, can also benefit from rapid shutdown functionality. In the event of a fire or other emergencies, a rapid shutdown mechanism can disconnect the battery from the rest of the electrical system, reducing the risk of electrical shock or fire.

 

Home Appliances: 
While not directly related to rapid shutdown, the concept of safety switches can be applied to home appliances. For example, many appliances have built-in safety mechanisms that automatically shut off the power supply if they detect a fault or abnormal operation. This helps prevent accidents and protects users from potential electrical hazards.

 

In summary, while rapid shutdown is primarily associated with PV system installations, the principles of quickly shutting down power can be applied to various other scenarios in daily life to enhance safety and prevent electrical hazards.

 

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What is the main business of YRO Company?
What is the main business of YRO Company?

YRO is mainly engaged in the research and development, production and sales of low voltage components and photovoltaic related products.

Do YRO's products comply with international quality standards such as CE and UL certifications?
Do YRO's products comply with international quality standards such as CE and UL certifications?

YRO’s products strictly adhere to international quality standards. Low voltage components like automatic transfer switches for dual power supplies and circuit breakers have passed CE, UL and other certifications. These certifications indicate that our products have reached the internationally recognized level in terms of electrical safety and performance stability. In the production process, we adopt an advanced quality management system, and every link from raw material procurement to finished product delivery is strictly inspected to ensure reliable product quality.

How about the product prices and cost performance ratio?
How about the product prices and cost performance ratio?

We offer competitive prices. In terms of cost performance ratio, YRO’s products are based on high quality materials and advanced technologies. While ensuring long term stable operation, they can save customers a lot of later maintenance costs and potential losses caused by equipment failures. Compared with similar products of other brands, our products have price advantages under the same quality, or provide more functions and better performance within the same price range.

What is the after sales service system like and what is the response time?
What is the after sales service system like and what is the response time?

YRO has a complete after sales service system. In case of product failures, we will respond within 24 hours after receiving the notice.

Can products be customized according to requirements?
Can products be customized according to requirements?

YRO has a powerful product customization ability. We can customize the production of low voltage components and photovoltaic products according to customers’ special requirements, such as specific voltage and current specifications, as well as personalized functional requirements.

What technical support and services does YRO provide?
What technical support and services does YRO provide?

YRO provides customers with comprehensive technical support, including product selection guidance, recommending the most suitable low voltage components or photovoltaic products according to customers’ electrical equipment and usage scenarios; providing installation and commissioning technical support to ensure the correct installation and operation of products; and also providing technical consultation during the use process to answer customers’ questions about product performance, maintenance and other aspects.

How about the inventory situation and can timely delivery be guaranteed?
How about the inventory situation and can timely delivery be guaranteed?

YRO maintains a reasonable inventory level. For commonly used specifications of low voltage components and photovoltaic products, a certain quantity of inventory is kept to ensure that customer orders can be met in a timely manner. Meanwhile, we have established close cooperative relationships with suppliers and can quickly obtain raw materials for production to replenish inventory, so as to ensure the stability of supply even when the market demand fluctuates greatly.

How is the company's reputation and qualifications?
How is the company's reputation and qualifications?

YRO is an enterprise with a good reputation. It has been operating in the industry for many years without any bad records. We have complete production qualifications, including relevant production licenses and quality system certifications. Meanwhile, we actively participate in the formulation of industry standards and activities of industry associations.

What are the main types of YRO's low voltage components?
What are the main types of YRO's low voltage components?

YRO’s low voltage components include but are not limited to circuit breakers, isolation switches, dual power transfer switches, surge protection devices, voltage protectors and fuses.

What are the functions of YRO's photovoltaic combiner boxes?
What are the functions of YRO's photovoltaic combiner boxes?

YRO’s combiner boxes gather the outputs of multiple photovoltaic modules together, provide over current protection through fuses or circuit breakers, and have built in lightning protection modules to effectively resist the impact of lightning strikes or surge voltages. In addition, the combiner boxes optimize the wiring structure of the system, reduce the number of cables, and lower construction and maintenance costs.

In which scenarios are YRO's circuit breakers applicable?
In which scenarios are YRO's circuit breakers applicable?

They are applicable to the protection and control of low voltage distribution systems, industrial control systems and photovoltaic grid connected systems.

Are YRO's products waterproof and dustproof?
Are YRO's products waterproof and dustproof?

The protection level of YRO’s combiner boxes and some products reaches IP65 and above, which can be used in outdoor environments.

How to download YRO's product technical manuals?
How to download YRO's product technical manuals?

You can visit the download page on YRO’s official website or directly send an email to obtain the files.

Which countries and regions does YRO's market cover?
Which countries and regions does YRO's market cover?

The products are sold to Europe, North America, Asia, the Middle East and Africa and other regions.

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