FUSE CARRIER MAX LOAD 400 AMPS MV TYPE J POLE MOUNTED CUT OUT

FUSE CARRIER MAX LOAD 400 AMPS MV TYPE J POLE MOUNTED CUT OUT

FUSE CARRIER MAX LOAD 400 AMPS MV TYPE J POLE MOUNTED CUT OUT is a protective device used in electrical distribution systems to protect equipment and prevent overloading. It is typically mounted on poles in overhead power lines and designed to disconnect a transformer or section of a distribution line when a fault, such as a short circuit or overload, occurs.

Product Description
Specifications
Product Advantages
Application Places
Packing
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Product Video
FAQ

Product Description

Introduction

The cutout bases and fuse carriers shall have the following current ratings at 230/400V:Three phase and neutral for transformers up to 500kVA:400A; and Three phase and neutral for transformers above 500kVA: 630A.

Housing

The outer housing of the units shall be comprised of Grey insulating material of sufficient mechanical strength as to prevent it from becoming damaged. The material shall be resistant to ultra violet degradation and have flame retardant properties. The Grey colour shallbe RAL 7035 code system according to DNA(German Standards Board.Frankfurt.Germany)

Fuse Carrier

The fuse carrier shall be required to take J.P. type cartridge fuse links with 82mm centers, conforming to BS 88. Tightening screws shall have insulated tops to enable the fuse carrier to be removed without safety devices(rubber gloves, etc.)

Specifications

Wedge fuse link

Technical characteristics

Item	JHU	JPU	JSU
Rated voltage	415/500V AC	415/500V AC	415/500V AC
Rated breaking capacity	50kV	50kV	50kV
Standard	IEC 60269-2-1 BS 88-2	IEC 60269-2-1 BS 88-2	IEC 60269-2-1 BS 88-2
Rated current	Gg/Q1	Gg/Q1	Gg/Q1
Rated current	20A-800A	20A-800A	20A-800A

Product Advantages

Reliable Protection: Provides dependable protection against overcurrent, short circuits, and other electrical faults, safeguarding transformers and distribution lines.
Easy Maintenance: The fuse link is easily replaceable after it blows, making maintenance simple and quick. Once the issue is resolved, the fuse cutout can be put back into service.
Cost-Effective: Compared to other protection devices, fuse cutouts are economical and provide long-term, reliable protection with minimal maintenance costs.
Manual Operation Capability: In addition to automatic operation during a fault, the fuse cutout can be manually opened, which is beneficial for scheduled maintenance and repairs.
High Durability: Built to withstand harsh environmental conditions such as extreme temperatures, UV radiation, and moisture, making it ideal for outdoor use in overhead power distribution systems.
Arc Quenching Feature: Equipped with arc-extinguishing capabilities, which help prevent damage to the electrical system and ensure a safer disconnection during faults.
Visible Indication: After a fault occurs and the fuse blows, the fuse cutout provides a visible indication, helping technicians quickly identify the issue and respond efficiently.
Improved System Reliability: By isolating only the faulted section of the circuit, the fuse cutout minimizes the impact on the rest of the distribution network, ensuring continuous service to unaffected areas.

Application Places

The FUSE CARRIER is used in various electrical distribution scenarios to protect equipment and maintain system reliability. Some common usage scenarios include:

Protection of Distribution Transformers: LV fuse cutouts are commonly installed in overhead lines to protect distribution transformers. If a transformer becomes overloaded or short circuits occur, the fuse will blow to isolate the transformer and prevent damage.
Rural Electrification: In rural areas, where power distribution is often via long overhead lines, LV fuse cutouts are essential for isolating faults on specific sections of the line, minimizing power interruptions to other areas.
Overhead Power Lines: LV fuse cutouts are widely used in urban and suburban areas with overhead power lines. They provide protection for the electrical grid by isolating faulted sections, preventing system-wide outages.
Renewable Energy Systems: In solar farms and wind turbine installations, LV fuse cutouts are used to protect the electrical infrastructure from faults and overcurrent conditions, helping to safeguard expensive equipment.
Substations: LV fuse cutouts are installed in electrical substations as part of the protection system for low voltage equipment, providing an additional layer of fault isolation and safeguarding the substation from electrical failures.
Industrial and Commercial Buildings: For large facilities that are connected to overhead power distribution systems, LV fuse cutouts are employed to protect internal transformers and distribution lines from overcurrent and short circuits.
Temporary Installations: Fuse cutouts can be used in temporary or mobile installations, such as construction sites, to provide electrical protection for equipment connected to overhead distribution lines.

Packing

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Overhead LV Fuse Cutout

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Product Video

Faq

What should I pay attention to when using the drop type fuse?

1. Operate in strict accordance with the closing sequence to avoid electrical damage or safety accidents caused by improper operation;
2. The external connection cable should be fixed firmly to prevent accidents such as poor contact;
3. The fuse should be replaced in time to ensure the normal operation of the electrical equipment;
4. Keep the equipment clean and dry, and avoid using the electrical equipment in a humid environment.

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