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High Voltage Porcelain Current Limiting Drop Out Fuse Cutout

Outdoor high-voltage drop type fuses, series (H)RW5-40.5 (hereinafter referred to as FUSES), represent the most widespread short-circuit protection switch for distribution line branch lines and distribution transformers. Fuses apply to short-circuit and overload protection of transmission lines and power transformers in power systems having AC 50Hz and a rated voltage of 35 kV. At times, once conditions permit, one may separate and combine no-load overhead lines, no-load transformers, and small load currents.
The fuses are mostly applied in distribution lines and the primary side of distribution transformers for protection as well as equipment switching operations.
If installed on the branch of the distribution line, then it is possible that the power outage range may be reduced.
The fuse complies with technical standards such as GB/T 15166.3-2008 "High voltage AC Fuses Part 3:JET Fuses" and DLT 640-1997 "Technical Conditions for Ordering Outdoor AC High Voltage Drop Type Fuses and Fuse."

It is meant for applications where conformity with IEC 60-282-1 is required in addition to technical performance. It also complies with technical standards such as GB/T 15166.2-2008 "High Voltage AC Fuses: Part 2: Current Limiting Fuses"
 
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Product Overview


The High Voltage Porcelain Current Limiting Drop Out Fuse Cutout is an essential electrical protection device designed to protect high voltage power systems from short circuits and overloads. This fuse cutout is particularly suitable for power distribution networks, substation applications, and outdoor environments. Manufactured using high-quality porcelain, it ensures both durability and reliability in harsh operating conditions.


Product Features


High Voltage Capability

Designed to handle high voltage systems, this Fuse Cutout is capable of working effectively in systems up to 36kV, providing optimal protection and reliability.


Current Limiting Functionality

This Fuse Cutout integrates current-limiting technology to minimize fault currents, thus ensuring enhanced safety and longevity of the power system components.


Porcelain Insulation

Made from high-grade porcelain, this Fuse Cutout provides excellent insulation properties, improving operational safety in high-voltage environments.


Drop-Out Mechanism

The fuse cutout features a drop-out mechanism that safely disconnects the circuit in case of a fault, preventing further damage to the electrical system.


Weather Resistance

Designed for outdoor use, the Fuse Cutout is built to withstand various weather conditions, including extreme temperatures, humidity, and UV exposure.


Ease of Installation and Maintenance

The device is designed for easy installation and minimal maintenance, ensuring reduced downtime and operational costs.


Flexible Application

Suitable for both overhead and underground installations, this Fuse Cutout can be customized to meet the specific needs of different electrical systems.


Product Advantages


Enhanced Protection

The Current Limiting feature of this Fuse Cutout minimizes the impact of faults, protecting transformers, cables, and other system components from damage.


Long Service Life

The porcelain construction ensures a long service life, even in harsh environments, minimizing the need for frequent replacements.


Cost-Efficiency

Due to its durable design and low maintenance requirements, this Fuse Cutout offers long-term cost savings for utility providers and industries.


Versatile Application

Whether in substation settings or power distribution networks, this Fuse Cutout is adaptable to various high voltage environments, ensuring reliable performance.


Improved Safety

The integrated safety features, including the drop-out mechanism and current-limiting function, protect both equipment and personnel, minimizing the risk of electrical accidents.


Product Applications


Power Distribution Networks: Used in high voltage power distribution systems to protect transformers and distribution lines from overloads and faults.


Substations: Essential for protecting electrical components in substations, ensuring continuous operation and safety.


Renewable Energy Systems: Ideal for solar and wind power stations where high voltage protection and fault isolation are critical.


Industrial Installations: Applied in large-scale industrial environments that require efficient and safe power distribution.


FAQ


1. What is a Fuse Cutout?

A Fuse Cutout is an electrical protection device that disconnects a circuit when a fault or overload is detected, preventing further damage to the system.


2. What is the voltage rating of the High Voltage Porcelain Current Limiting Drop Out Fuse Cutout?

This Fuse Cutout is designed for high voltage systems and operates effectively up to 36kV.


3. How does the current-limiting feature work?

The current-limiting feature of the Fuse Cutout reduces the fault current in the event of a short circuit, preventing damage to electrical equipment and reducing the risk of system failure.


4. Is the Fuse Cutout easy to maintain?

Yes, the Fuse Cutout is designed for easy installation and low maintenance, which reduces downtime and helps to keep operational costs low.


5. What materials are used in the construction of the Fuse Cutout?

The Fuse Cutout is made from high-quality porcelain, which provides excellent insulation and long-lasting durability in high-voltage environments.

No.NameUnitData
1Rated frequencyHz50
2Rated voltagekV40.5
3Rated current of the same family of fuse componentsA100200
4Rated breaking currentkA68
5Rated short-term power
frequency voltage
To the groundkV/min95/1
Fracture2018/1
6Lightning impulse withstandTo the groundkV185
Voltage215
7Creepage distancemm>1256
8Mechanical lifespanTimes300



◆ Altitude:not exceeding 4000m;

◆ The ambient temperature shall not be higher than+40℃ and not lower than -40℃;

◆ The product is not suitable for the following places:

1)Places with combustion or explosion hazards;

2)Places with severe vibration or impact;

3)Areas with conductive and chemical gas effects,as well as severe contamination and salt spray.


屏幕截图 2024-09-14 142115

◇ Please indicate the product name and model;

◇ Please indicate the rated voltage,rated current of the same family of fuse components,and rated breaking current;

◇ Please indicate whether spare partsare required;

◇ Please indicate the order quantity and delivery time.


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