Fuse link - NH1C gG 25A/690V - time-lag 004184307

Knife fuse links – reliable installation protection

Knife fuse links NH1C gG 25A/690V are components designed to protect electrical installations against the effects of overloads and short circuits. They are a key element ensuring continuity of operation and safety in industrial systems and public buildings. This fuse link, with a time-delay characteristic (gG), allows for short-term overloads without disconnecting the circuit, which is particularly important when starting devices with motors or other pulsed loads.

Characteristics and application

The NH1C gG 25A/690V fuse link is designed to work with fuse bases and fuse disconnectors, meeting the standards PN-93/E-06160, PN-IEC-269 and VDE 0636. Its construction based on steatite and silver-plated brass contacts guarantees stable electrical parameters and long-term reliability. Two indicators of operation – a red eye in the central part of the ceramic body and a springy plate on the top cover – facilitate quick identification of a blown fuse. The KOMBI version provides good visibility of the fuse link status in both bases and disconnectors.

Advantages and benefits

• Protection against overloads and short circuits: Provides effective protection of the electrical installation against damage caused by excessive load or short circuit.
• Time-delay characteristic (gG): Allows for short-term exceedances of the rated current without unnecessary disconnection of the circuit, which is important when servicing devices with motors or other pulsed loads.
• High breaking capacity: Breaking capacity at the level of 100 kA guarantees safety even in the event of serious disturbances in the network.
• Two indicators of operation: Enable quick and easy identification of a blown fuse, which reduces installation downtime.
• Solid construction: Made of high-quality materials (steatite, silver-plated brass, aluminum) ensures durability and reliability in harsh working conditions.
• Compliance with standards: Meeting the requirements of standards PN-93/E-06160, PN-IEC-269 and VDE 0636 guarantees safety and compatibility with other elements of the electrical installation.
• Universality: Designed for use in AC installations with a rated voltage of 690V and DC 250V.

It is important to select the correct fuse link for a specific application, taking into account the rated current, rated voltage and load characteristics. Correct selection guarantees effective protection of the installation and electrical devices.