Fuse link - NH3C gG 80A/500V - time-lag 004186213

Installation and device safety – NH fuse links

NH knife fuse links are a reliable element protecting electrical installations against the effects of short circuits and overloads. The design and parameters of these fuse links, including model NH3C gG 80A/500V, comply with standards PN-93/E-06160 (gF), PN-IEC-269 and VDE 0636, which guarantees their high quality and effectiveness.

The NH3C gG 80A/500V fuse link is a component designed for general-purpose protection (gG), providing protection for wires against overloads and short circuits. Its time-delay characteristic allows for short-term overloads without unnecessary circuit tripping – which is particularly important when starting devices with motors or other loads with high inrush current. The rated current of 80A at a voltage of 500V AC makes this fuse link suitable for a wide range of industrial and commercial installations.

Design and distinguishing features:

• Strength and durability: The fuse link body is made of steatite – a material with high thermal stability, and the knife contacts are covered with silver, ensuring excellent conductivity and corrosion resistance.
• High breaking capacity: The fuse link is filled with quartz sand of a special granulation, which guarantees a high short-circuit breaking capacity (120 kA) and stable electrical parameters.
• Dual tripping indicator: Equipped with a combined (dual) tripping indicator – a red eye on the ceramic body and a spring-loaded plate on the top cover – allows for quick and easy identification of a blown fuse. Additionally, the indicator on the top cover enables cooperation with the NVS 5 microswitch for remote status signaling.
• Safety of use: Insulated grips (NH…/I…) are available to provide additional protection against contact with live parts during fuse replacement.
• Compliance with standards: Meets the requirements of IEC 60269-1 and IEC 60269-2 standards, confirming its safety and reliability.

It is worth paying attention to important parameters such as the total Joule integral of switching (85000 A²s) and the pre-arc Joule integral (8000 A²s), which demonstrate the ability to absorb energy during a short circuit. Power losses of 6.5W indicate the energy efficiency of the device during normal operation. This fuse link is an ideal solution for both professional installers and end-users looking for reliable electrical installation protection.