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HRC FUSE CYLINDERICAL TYPE
HSN Code : 85361040
Benlo BENTEC
Benlo BENTEC
A cylindrical High Rupturing Capacity (HRC) fuse link is a robust, single-use electrical safety device designed to protect circuits from high fault currents. It consists of a fuse element housed within a sealed, heat-resistant ceramic body, making it ideal for both industrial and domestic applications.
Construction
The primary components of a cylindrical HRC fuse link work together to safely and rapidly interrupt high currents.
- Body: A heat-resistant, high-strength ceramic or fiberglass cylinder contains the internal components.
- Fusible element: Made of silver or copper, this element is precisely shaped and designed to melt at a specific temperature. For lower overcurrents, the element may have tin-sealed sections that melt first.
- Filler material: The interior of the fuse body is tightly packed with an arc-quenching material, such as quartz or silica sand. This material absorbs heat and helps extinguish the electrical arc that forms when the fuse element melts.
- Metal end caps: These are securely welded to the fusible element and provide a reliable electrical connection with the fuse holder.
Working principle
The cylindrical HRC fuse operates on a simple but effective principle.
- Normal operation: Under normal conditions, the current flows through the silver element without generating enough heat to cause it to melt.
- Overload condition: If a prolonged, excessive current occurs, the element's temperature rises. The tin joints, with a lower melting point, melt first, increasing the element's resistance and breaking the circuit.
- Short-circuit condition: During a severe short circuit, the current rises almost instantaneously. This causes the element to melt and vaporize explosively.
- Arc quenching: The surrounding filler material absorbs the heat and reacts with the metal vapor to form a high-resistance material. This process rapidly extinguishes the powerful arc, preventing damage from the high-energy fault.
Key characteristics
Cylindrical HRC fuses are known for their reliable and high-performance safety features.
- High breaking capacity: A key feature that allows the fuse to safely interrupt extremely high fault currents, often rated up to 80kA or more.
- Low "let-through" energy: The fuse's rapid operation limits the amount of energy (I²t) that passes through to the protected equipment, reducing potential damage.
- Non-deterioration: Unlike some older fuse types, an HRC fuse's performance does not degrade over time.
- Fast and accurate operation: The inverse time-current characteristic ensures a very fast trip time for high-fault currents.
- Maintenance-free: The unit is sealed and does not require maintenance during its service life.
Applications
The robust design of cylindrical HRC fuse links makes them suitable for a variety of applications.
- Industrial machinery: Protects heavy-duty industrial equipment and control circuits from electrical faults.
- Power distribution systems: Used in substations, switchgear, and feeder lines to protect transformers and control panels.
- Residential and commercial buildings: Installed in distribution boards and electrical panels to ensure safety.
- Motor protection: Acts as a backup for motor starters to safeguard motors against short circuits and overloads.
- Backup protection: Provides secondary protection for other devices, such as Miniature Circuit Breakers (MCBs)
SUPPLIERS:–
The reliable manufacturers and suppliers of based in India.
Customers from all across India are placing repeated orders, as there is no alternative available in terms of quality and performance.
Premium quality raw materials are used in the manufacturing that ensures noteworthy features such as high durability and resistance to abrasion.
How to contact us
If you’ve got questions or ideas you would like to share, send a message. For anything more specific, please use one of the addresses listed below.
Our Location :
Westside Controls 7.B.Murli Vihar Behind Canara Bank Sarojini Nagar Lucknow 226008
Factory Westside Controls
Khasra no-174, Amausi Station Road Naderganj Industrial Area Lucknow226008
Direct Line Numbers
9776806777 , 0522-3642558
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