About HF fuse DIN-HN Fuse HG and HQ Fuse Bolted
*Conforms to IEC 60269-2, IS 13703 part 2
*Range: 2A to 800A, 415V, AC 50Hz
*Type: Cylindrical (2A to 63A), DIN (63A to 800A), & bolted (2A to 630A)
*High breaking capacity: 100kA for type HN and 80kA for type HF/HG/HQ
Enhanced Safety with Silica Sand Arc QuenchingThese fuses utilize silica sand-filled chambers to provide superior arc extinction, greatly enhancing safety during fault conditions. This mechanism not only ensures reliable protection but also reduces the risk of fire or equipment damage, making them ideal for industrial applications where electrical safety is paramount.
Robust Design for Industrial DurabilityConstructed with a glazed ceramic body and corrosion-resistant metal end caps, HF DIN-HN fuses offer high impact resistance and mechanical strength. Tested for humidity tolerance up to 95% RH, they are suitable for harsh environments, providing reliable performance in both indoor and outdoor installations across India.
Simple Installation and ReplacementFeaturing bolted end connections and panel/base mounting options, installation is secure and straightforward. The design allows quick replacement, minimizing downtime and maintaining consistent protection for critical high-voltage circuits in substations, switchgear rooms, and transformers.
FAQs of HF fuse DIN-HN Fuse HG and HQ Fuse Bolted:
Q: How are HF fuse DIN-HN HG and HQ fuses installed securely?
A: These fuses use bolted termination connections and support panel or base mounting, ensuring a robust and stable installation. This setup provides optimal contact reliability and resistance to vibration, suitable for demanding industrial environments.
Q: What is the maximum interruption capacity of these fuses?
A: HF DIN-HN HG/HQ fuses are engineered to interrupt fault currents up to 120 kA, effectively safeguarding electrical circuits during high-energy event scenarios in substations and factories.
Q: When should these fuses be replaced?
A: Replacement is required when a fault or overload has triggered the fuses protective action. The design allows easy removal and installation, minimizing service time for maintenance teams.
Q: Where are HF DIN-HN HG/HQ fuses typically used?
A: Common applications include substations, switchgear assemblies, and power transformers. Their high-voltage and high-current ratings make them appropriate for industrial and utility environments across India.
Q: What benefits does the silica sand arc extinguishing mechanism offer?
A: Silica sand chambers promote rapid and effective arc quenching, reducing the risk of fire and equipment damage while ensuring fast, reliable fault isolation. This enhances overall safety and prolongs system lifespan.
Q: How do these fuses handle high humidity conditions?
A: They are humidity-tested up to 95% relative humidity, ensuring consistent performance in moisture-prone environments, both indoors and outdoors.
Q: Are HF DIN-HN HG/HQ fuses compatible with all DIN standard fuse holders?
A: Yes, they are designed in accordance with DIN 43620 and related standards and fit all standard DIN-style fuse mounts, guaranteeing versatile compatibility for distributors, suppliers, and manufacturers.
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