About HRC Fuse Link & Base
HRC Fuse Link & BaseApplicationControl HRC fuse-links have been designed to meet the requirements set for modern industrial installations & electrical power plants. Their breaking capacity is sufficient even for the highest short-circuit levels which are reached in practice.Breaking CapacityBreaking capacity of fuse links is 80 kA at 41 5V & 500V.Current Limiting EffectGraphs in subsequent pages show the current limiting effect of fuses. At high short-circuit currents, the fuse limits the current to a much lower value than would be reached without fuses. As a result, cables and apparatus will only be subjected to much lower short-circuit stresses.Salient Features DIN / BS Type- Compliance to performance and dimensional requirement of Indian and International standard IS: 13703 - 1993. BS: 88 - (Part I & II) 1975 lEC-269-(Part I &II) 1986.
- Short circuit capacity at380 kA, 41 5/500V AC 50 Hz
- Positive indication of the operation with red colour pop. The pop up force can be utilized for operating some auxiliary circuit.
- Low power loss not only saves energy but also ensures cool running and longer life of equipment.
- Low cut-off current reduces electromagnetic stresses and damage to circuit & equipment.
- Low l2t let through energy reduces thermal stresses, fire risks and damage to equipment.
- Ideally suitable for back up protection to motor starters against short circuit faults.
High Breaking Capacity & Reliable ProtectionThis HRC Fuse Link & Base delivers superior short-circuit defense with a breaking capacity up to 80kA, making it suitable for demanding electrical environments. The fast-acting response ensures rapid mitigation of fault conditions, protecting circuits and equipment at critical moments.
Versatile & Easy InstallationDesigned for seamless adaptation, the fuse features bolt or blade terminal types, interchangeable fuse links, and compatibility with DIN rail or panel mounting. Installation is straightforward, complemented by the included fuse base and optional cover, simplifying both setup and maintenance.
Compliant and Durable DesignAdhering to IS 13703 and IEC 60269 standards, the fuse boasts a glossy ceramic body paired with metallic contacts. It maintains performance in extreme storage conditions, with insulation resistance above 1000 M and an operating altitude up to 2000 meters, suitable for varied geographic regions.
FAQs of HRC Fuse Link & Base:
Q: How is the HRC Fuse Link & Base installed in electrical panels?
A: This fuse link and base can be easily mounted using either DIN rail or panel mount methods. The product is compatible with both bolt and blade contact terminals, allowing flexible integration into various circuit configurations.
Q: What protection does the HRC Fuse Link offer during a short-circuit event?
A: The fuse provides fast-acting response for effective short-circuit protection, immediately interrupting fault currents up to 80kA. This limits equipment damage and enhances the safety of electrical networks.
Q: When should the fuse link be replaced or changed?
A: The fuse link should be replaced after any fault or short-circuit event where it has operated to protect the circuit, or during scheduled maintenance when upgrading to a different ampere rating to meet evolving system demands.
Q: Where is this fuse link and base commonly used?
A: It is suitable for industrial and domestic electrical circuits requiring robust overcurrent protection, such as distribution boards, motor control centers, and switchgear installations across various building types.
Q: What is the process for selecting the appropriate ampere rating for a circuit?
A: Choose a fuse link ampere rating that matches the calculated load current and the systems protection requirements. As the base supports multiple ampere rated fuse links, replacement or upgrades are straightforward as per operational needs.
Q: What benefits does the ceramic body and metallic contacts provide?
A: The combination of ceramic body and metallic contacts ensures excellent thermal endurance, high insulation resistance, and sustained durability, reducing risks of overheating and contact corrosion.
Q: How does storage and operational environment impact fuse performance?
A: The fuse link and base are designed for reliable operation across wide temperature ranges (-40C to +85C storage, -20C to +55C working). Performance remains stable up to 2000 meters altitude, making it suitable in diverse climate and altitude conditions.
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