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(H)RW10-40.5 Series Outdoor High Voltage Current Limiting Drop Out Fuse Cutout

 
(H)RW10-40.5 outdoor high-voltage curent limiting fuse (hereinafter referred to as "current limiting fuse")is an outdoor high-voltage protection device,suitable for AC 50Hz and rated voltage 35kV power systems,used for overload and short circuit fault protection of power transformers and power lines.
The fuse complies with technical standards such as GB/T 15166.2-2008"High voltage AC fuses-Part 2:Current limiting fuses".
 
Availability:
Quantity:
  • (H)RW10-40.5

  • DGG


Product Overview


The H-RW10-40.5 Series Outdoor High Voltage Current Limiting Drop Out Fuse Cutout is a robust and reliable protection device designed to enhance the safety of power distribution networks. This Fuse Cutout offers superior fault protection and current limiting capabilities, making it ideal for high-voltage applications in overhead lines and substations. Engineered for outdoor use, it effectively protects electrical equipment from overloads and short circuits while ensuring minimal maintenance and long-term operational reliability.



Product Features



High Voltage Rating: Designed for high-voltage applications up to 40.5kV, making it suitable for use in a variety of power distribution systems and electrical networks.


Current Limiting: The Fuse Cutout is equipped with current-limiting capabilities, which provide enhanced protection by reducing the magnitude of fault currents and minimizing equipment damage.


Drop-out Design: Featuring a drop-out mechanism, this Fuse Cutout automatically disconnects the faulty section of the circuit during a fault, ensuring quick isolation and preventing system-wide disruptions.


Outdoor Use: Built to withstand outdoor environmental conditions, this Fuse Cutout is durable and resistant to harsh weather conditions, making it suitable for use in open-air installations.


Porcelain Insulation: The Fuse Cutout uses high-quality porcelain insulation, providing excellent electrical properties and mechanical strength, ensuring long-lasting reliability.


Compact and Space-Saving: Its compact design ensures it requires minimal installation space, which is ideal for installations in confined spaces or areas with limited room for equipment.


High Fault Breaking Capacity: With a high fault-breaking capacity, this Fuse Cutout can effectively handle short circuits, ensuring that the system is safely isolated during fault conditions.



Product Advantages



Enhanced Safety: The Fuse Cutout offers excellent protection against electrical faults, ensuring that the power distribution system remains safe even in the event of short circuits or overloads.


Long-Term Durability: The porcelain insulation and rugged construction of the Fuse Cutout ensure that it can withstand harsh outdoor conditions, reducing the need for frequent replacements and maintenance.


Easy Maintenance: The design of the Fuse Cutout allows for simple and fast maintenance, reducing downtime and operational costs for power distribution systems.


Improved System Reliability: By quickly isolating faulty sections, the Fuse Cutout ensures that only the affected part of the system is disconnected, maintaining the reliability and continuity of the overall power supply.


Cost-Effective: The Fuse Cutout offers a cost-effective solution for protecting high-voltage circuits. Its long lifespan and low maintenance requirements make it a cost-efficient choice for both new and existing power distribution systems.


Versatile Application: Suitable for various applications, including residential, commercial, and industrial power distribution systems, as well as renewable energy projects like solar and wind power installations.



Product Applications



Power Distribution systems: The Fuse Cutout is primarily used in overhead power lines and substations to protect electrical circuits from fault conditions, ensuring the safe operation of the power distribution system.


Substations: Ideal for use in substations, where it provides critical protection for high-voltage electrical equipment, ensuring safety and system integrity.


Overhead Power Lines: The Fuse Cutout is widely used in overhead power lines, where it effectively isolates faults and prevents damage to the power distribution infrastructure.


Renewable Energy Installations: This Fuse Cutout can be used in renewable energy systems such as solar and wind power installations, offering protection for high-voltage electrical circuits in these growing energy sectors.


Industrial and Commercial Facilities: Applied in industrial and commercial power distribution systems to protect critical electrical components and prevent costly downtime caused by electrical faults.


Rural Electrification Projects: The Fuse Cutout is a reliable solution for rural electrification projects where high-voltage protection is required for power lines and distribution networks.



Frequently Asked Questions (FAQ)



1.What is a Fuse Cutout?

A Fuse Cutout is a safety device used in power distribution systems to protect electrical circuits from overloads and faults. It automatically disconnects the affected section of the circuit to prevent damage and ensure the overall system remains operational.


2.What is the voltage rating of the H-RW10-40.5 Fuse Cutout?

The H-RW10-40.5 Fuse Cutout is designed for high-voltage applications, with a voltage rating of up to 40.5kV, making it suitable for various high-voltage power distribution systems.


3.How does the Fuse Cutout provide fault protection?

The Fuse Cutout is equipped with a current-limiting mechanism and a drop-out design, which allows it to automatically disconnect the faulty section during a short circuit or overload, preventing further damage to the system.


4.Is this Fuse Cutout suitable for outdoor use?

Yes, the H-RW10-40.5 Fuse Cutout is specifically designed for outdoor applications. It is built to withstand harsh environmental conditions such as extreme temperatures, rain, and wind, ensuring reliable performance in open-air installations.


5.How do I maintain the Fuse Cutout?

The Fuse Cutout is designed for easy maintenance, with a user-friendly mechanism that allows for quick and simple fuse element replacement, reducing downtime and operational costs.


6.What are fuses made of?

The Fuse Cutout features high-quality porcelain insulation, which provides excellent electrical insulation and mechanical strength, ensuring reliable operation in demanding outdoor conditions.

No.

Item

Unit

Technical parameter

(H)RW10-40.5/0.5-20

(H)RW10-40.5/2-20

(H)RW10-40.5/(3~10)-20

1

Rated frequency

Hz

50

2

Rated voltage

kV

40.5

3

Rated current of the same family of fuse components

A

0.5

2

3~10

4

Breaking capacity (three-phase)

MVA

1000

200

5

Cut off the maximum short-circuit current limit value

kA

20

6

Rated 1min power frequency withstand voltage

kV

95(To ground)

118(Fracture surface)

7

Rated lightning withstand voltage

kV


185(To ground)

215(Fracture surface)

8

The overvoltage multiple shall not exceed

Multiple

2.5

9

Creepage distance

mm

≥1256(E-level anti fouling),≥1013(D-level anti fouling)

10

Mechanical lifespan

Times

500

11

Protected objects


Voltage transformer

Power lines

 Note:If the altitude is higher than 1000m,the rated insulation level should be adjusted accordingly.


1.Altitude:≤1000m.If the altitude is higher than 1000m,the rated insulation level should be adjusted accordingly;

2. Surrounding air temperature:maximum 40℃,minimum -25℃,daily temperature difference of 25K;

3. Humidity:Daily average relative humidity≤95%,monthly average relative humidity≤90%;

4. Solar radiation intensity:0.1W/cm²;

5. Pollution level:not greater than level e;

6. Ice thickness:≤10mm;

7. Outdoor wind speed (wind pressure):35m/s(700Pa);

8.Earthquake resistance (horizontal acceleration):0.3g.



Ordering Notice


1. Please indicate the product name and model;

2. Please indicate the rated voltage,rated current of the same family of fuse components,and maximum short-circuit current limit for cutting off;

3.Please indicate whether spare parts are required;

4. Please indicate the order quantity and delivery time.


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