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Knife Fuse Holder 160A NH00 YROPV-160

Specification: Type YROPV-160 YROPV-250 YROPV-400 YROPV-630 With fuse Rated operational Voltage Ue AC400/690/DC12-1000V Rated operational currentle 160A 250A 400A 630A Rated Insulation Voltage Ui AC690/DC12~1000V Agreed heating current lth 160A

Knife Fuse Holder 160A NH00 YROPV-160

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Specification:

Type

YROPV-160

YROPV-250

YROPV-400

YROPV-630

With
   fuse

Rated operational Voltage Ue

AC400/690/DC12-1000V

Rated operational currentle

160A

250A

400A

630A

Rated Insulation Voltage Ui

AC690/DC12~1000V

Agreed heating current lth

160A

250A

400A

630A

Rated impulse withstand
   Voltage Uimp

12kV

Rated limiting short-circuit
   current lg

AC 100kA

DC 50kA

Use Category

AC-23B(AC400)/AC-21B(AC690)

With
   isolating
   knife

Electrical operating life

200 times

Rated operational Voltage Ue

AC380/400/DC12-1000V

Rated operational current le

160A

250A

400A

630A

Rated Insulation Voltage Ui

690V/1000V

Agreed heating current lth

160A

250A

400A

630A

Rated impulse withstand
   Voltage Uimp

8KV

12KV

Rated limiting short-circuit
   current lcw

8kA/1s

10kA/1s

15kA/1s

Use Category

AC-21B

AC-23B

Electrical operating life

200 times

Common
   parameters

Rated frequency

50/60HZ

Number of poles

3Pole

FUSE

Fuse size

YROPV-160(NH00)

YROPV-250(NH1)

YROPV-400(NH2)

YROPV-630(NH3)

Rated operational current le

160A

250A

400A

630A

Power waste P

12W

18W/32W

28W/40W

40W/50W

Mechanism

Mechanicallife

1000 times

800 times

Degree of protection(positive)

On:IP20/Off:IP30

 

 

 “knife switch fuse” is an electrical switch that includes a fuse as part of its design. It is used for controlling and protecting electrical circuits. 

Composition: A knife switch consists of a flat metal blade, hinged at one end, which can be inserted into a receptacle to establish a connection. When the blade is lifted out of the receptacle, the circuit is broken and the flow of electricity is stopped. The inclusion of a fuse in this switch design adds a layer of protection.

Fuse Component: The fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. It typically consists of a metal wire or strip that melts when too much current flows through it, thereby interrupting the flow of electricity and preventing damage or fire.

Circuit Control: Knife switch fuses are used to control the flow of electricity in a circuit. By manually opening or closing the switch, an operator can start or stop the flow of electrical current.

Safety and Protection: The fuse element in the switch provides crucial protection against overcurrents. If the current exceeds a safe level, the fuse will blow, thus protecting the circuit from damage.

Maintenance and Repairs: They are often used in situations where it’s necessary to physically disconnect the electricity for safety during maintenance or repair work.

Applications: Knife switch fuses were more commonly used in the past, especially in simpler or low-voltage applications such as in residential electrical panels or in old industrial equipment. However, in modern settings, they have largely been replaced by more advanced and safer circuit breakers and switchgear.

Safety Considerations: While knife switches are simple and effective, they do have safety risks. The exposed conductive parts can be dangerous if touched, leading to a risk of electric shock. Therefore, their use in modern electrical systems is limited, and they are often enclosed in safety boxes or replaced with safer alternatives in commercial and residential installations.

 

In summary, a knife switch fuse is a basic form of electrical switch that includes a fuse for overcurrent protection. Its primary roles are controlling the flow of electricity and providing safety, but due to its potential safety risks, it’s less common in modern electrical systems.

 

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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?

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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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