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Module Level Firefighter Safety Switches

YRO Rapid Shutdown is a DC-breaking device used in photovoltaic system, it can limit the electric range and even DC voltage. To guarantee the safe of firefighters in the process

Module Level Firefighter Safety Switches

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YRO Rapid Shutdown is a DC-breaking device used in photovoltaic system, it can limit the electric range and even DC voltage. To guarantee the safe of firefighters in the process of fire fighting and rescue of facilities installed with photovoltaic power generation system, and has no risk of electric shock.

High Craftsmanship and Standards

 

Technical Data

Type

YRSD-1P

YRSD-2P

Number of PV Inputs

1

2

Number of Modules Recommend

1-2

2-4

Maximum Allowed Input Voltage

120V

Maximum Allowed Input Current

18A / 25A

Maximum Output Volt age

120V

240V

System Volt age

1000V / 1500V

Control Compliance

24VDC + 2 x 0.8mm2 Cable

Control Requirements

21.6V~26.4V at nomi. 27~36mA/unit

Ambient Operating Temperature

-30°C to +60°C

Protection Temperature

85°C

IP Level

>IP68, NEMA 4X

Fire-proof Level

Flame retardant, UL94-V0

Humidity

0%~90%

PV Connectors

Connector (Customized)

Design Life Span

25 years

Size

155.8*73.7*30.2

155.8*73.7*30.2

Weight

< 200g (Excluding Cables)

Cable Length, PV1+ Input

300mm

300mm

Cable Length, PV1- Input

300mm

300mm

Cable Length, PV2+ Input

/

300mm

Cable Length, PV2- Input

/

300mm

Cable Length, Power Out put

1800mm

1800mm

Cable Length, 24Vdc Control Cable

1800mm

1800mm

andard Comliance

NEC2017/2020 (690.12); UL1741; UL3741; IEC/EN62109; IEC/EN61000

 

Summary

The YRO Modular level RSD DC 24V Series Overview is designed to be installed at solar panel level and providessafety shutdown of the DC supply to ZERO VOLTS in case of emergency.Shutdown is initiated in 3 ways -ManualOperation,AC Supply Cut-Off or Temperature Rise Trigger as follows:

 

YRSD-1P 1-to-1 wiring

Not: For NEC 2017 /2010 compliance PV panels should be <40v for 2-to-1 wiringand > =40v for 1-to-1 wiring (For YRSD -1P)
 

YRSD-2P 2-to-1 wiring

YRSD-1P/2P Series

 

Dimension

Technical Specification

Model

YRSD-CB

Operating AC Voltage Range

100V-240V

Nominal Frequency

50/60 Hz

Output Voltage

24V DC

Output Current/Power

2.2A/50W

24Vdc Control Cable Size

0.823 mm2/18 AWG

24Vdc Control Cable Length
   With Standard Connectors

20 m / 30 m /100 m

Spare Terminal Connectors

Yes

Maximum YRSD-1P

60 Units

Maximum YRSD-2P

30 Units

Dimensions (mm)

250*210*210

Lockable

Optional (IP54)

Operating Temperature Range

-30°C~+70°C(50°C No degradation)

Protection Class

IP65

Mounting

Wall Mounted

Maximum Distance
   (Last RSD to Controller Box)

200m

 

Parallel connection of multiple control boxes

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Frequently Asked Question

Welcome to our Frequently Asked Questions (FAQ) section.

Here, you’ll find answers to common inquiries about our products, services, and policies. We’ve compiled this resource to save you time and provide clarity on the topics most frequently asked by our customers.

If you don’t find the information you’re looking for, feel free to reach out to us directly. We’re always here to help!

What are the benefits of this product?

Our product is designed with a focus on quality and performance, using advanced technology and high-standard manufacturing processes to ensure the best user experience. Whether it’s durability, functionality, or aesthetics, we strive for perfection in every aspect.

How do I choose the right product for me?

To select the right product, consider your specific needs and usage scenarios. If you’re unsure which product is best for you, feel free to reach out to our customer service team. They will be happy to provide personalized advice and recommendations.

How do I maintain and clean my product?

To keep your product in optimal condition, please follow our cleaning and maintenance guidelines. Each product may have different care instructions, so refer to the product manual or contact our customer support for detailed care instructions.

What should I do if there is an issue with the product?

If you experience any issues with the product, please contact our customer support team via our hotline or online support. Our dedicated team will assist you promptly and ensure your concerns are addressed effectively.

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FAQ

B2B Inquiries
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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