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Silicon Composite Drop Out Fuse

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Silicon Composite Drop Out Fuse Specification

Thermal Conductivity
<0.4 W/mK

Installation Guideline
Mount vertically on pole structures; follow standard IEC/IS safety installation procedures

Coating Type
Silicon polymer coat

Density
2.5 Gram per cubic centimeter(g/cm3)

Feature
UV resistance, lightweight, high mechanical strength, weatherproof

Surface Treatment
Silicon coated

Product Type
Drop Out Fuse

Material
Silicon Composite

Rated Voltage
11 kV to 36 kV

Tensile Strength
Above 10 MPa

Application
Outdoor power line protection, transformer and branch line circuit protection

Breakdown Voltage
>100 kV/cm

Heat Conductivity
Low

Color
Grey

Max Withstanding Temperature
120C

Fuse Link Type
Tinned copper or silver alloy wire

Installation Position
Pole mounted

Lightning Impulse Withstand Voltage
Up to 170 kV (as per rating)

Insulation Level
High

Mechanical Strength
Enhanced for vibrations and wind pressure

Rated Current
Up to 200A (depends on type and application)

Arc Quenching Medium
Air

Corrosion Resistance
Excellent

Life Expectancy
More than 15 years in outdoor conditions

Moisture Resistance
High

Packaging
Wooden box/thermocol packing for safe transport

About Silicon Composite Drop Out Fuse

Application:

Beimco cutouts are much quieter operating over conventional ceramic distribution cutouts.
Silicon polymeric type cut outs incorporated with precision engineered non damageable silver or nickel coated fusible elements.
Also these fuse will detect and interrupt all faults large, medium, and small it will provide safety to your transformers & minimize line interruption.

Advantages:

Reliable fault protection
Perfect drop out action.
Reliability at distribution line save maintenance cost & time.
Light in weight, easy to install.
Vandal proof, reduce transportation breakage
Excellent in polluted atmospheric environment
Very good hydrophobic property
Higher creepage distance
Better Aesthetic new generation material.

Features : Upper & lower contacts made of electrical copper with silver plating.

Fuse Tube : ARC extinguishing tube made from fiber glass material & manufactured from automatic pultrusion plant it has excellent arc extinguishes U.v. Stabilized property.

Stainless Steel Fipper : Act as a fuse leader positioner & protect from contamination & corrosion. Brid proof design polymer insulator. This design protect against earthing birds prevent birds fault. Silicon sheds provides higher creepage distance, good resistance to ageing, tracking & erosion.

Silver Plated Parts : BEIMCO offer high electrical conductivity due to electrolyte copper plated with silver plating exhibits excellent corrosion resistance property.

Load Break Hook : BEIMCO cutouts to be opened under load with use of portable load break tools.

Stainless Steel Hinge Support : The stainless steel hinge support provides additional protection for areas of extreme contamination.

Type Test : Our expulsion cutouts have been tested at government approved test lab with international repute & acceptance as standard.

Dielectric test
Mechanical test
Breaking test
Temp. rise test

Product Range : 15 KV, 24 KV, 35 KV

Type Test :

Dry Power Frequency voltage withstand test
Wet Power Frequency voltage withstand test
Lightning impulse voltage withstand test
Temperature rise test
Physical operation test

High Reliability for Outdoor Power Protection

Engineered with a silicon composite body and silicon polymer coating, the drop out fuse provides long-lasting service in harsh outdoor settings. Its exceptional mechanical strength and corrosion-resistant design make it suitable for power lines and transformer circuits exposed to environmental extremes.

Exceptional Electrical and Safety Standards

The device is designed to handle a rated voltage up to 36 kV and can withstand lightning impulse up to 170 kV according to product rating. Its high insulation level, UV resistance, and safety features ensure reliable circuit isolation and equipment protection, compliant with IEC/IS standards.

FAQs of Silicon Composite Drop Out Fuse:

Q: How should the Silicon Composite Drop Out Fuse be installed?

A: The fuse should be installed vertically on pole-mounted structures. Always follow standard IEC/IS safety procedures during installation to ensure optimal performance and protection for power distribution systems.

Q: What are the main benefits of using a silicon composite fuse in outdoor applications?

A: Silicon composite fuses offer exceptional weatherproofing, high mechanical strength, excellent UV and moisture resistance, and long life expectancy, making them ideal for protecting power lines and transformers in challenging outdoor environments.

Q: When is it recommended to replace the drop out fuse?

A: Although the fuse boasts a life expectancy of over 15 years under outdoor conditions, periodic inspections are advised. Replace the fuse if there is visible damage, wear, or after a fault or operational trip event to maintain system safety.

Q: Where is this type of fuse commonly used?

A: These fuses are widely deployed on overhead power lines, at transformer locations, and on branch circuits to provide effective short-circuit and overload protection in electrical distribution networks.

Q: What type of fuse link is used, and why?

A: The fuse employs a link made from tinned copper or silver alloy wire, which ensures reliable conductivity and enhances arc-quenching performance, crucial for rapid fault isolation.

Q: How does the design enhance protection against lightning and environmental stress?

A: The products high lightning impulse withstand voltage (up to 170 kV), robust silicon composite housing, and silicon polymer coating protect it against lightning strikes, high wind pressure, and severe weather, while maintaining insulation and durability.

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