Cavi e fili Mersen

The fuse has an exceptionally high breaking capacity, suitable for protecting power semiconductors according to the IEC standards 60269-1 and -4, with a voltage rating of 690 V and current ratings ranging from 12 to 90 A in the gR class. Additionally, it provides comprehensive overload protection and safety enhancements while enabling selective coordination with all aR class fuses rated at 100 A per VDE 636-23 and IEC 60269-4.Connections are compliant with both German standard DIN 43653/00C and British standard BS88-4. The fuse features a bolt mounting system and is constructed from ceramic insulating material. Its specifications include an ampere rating of 45 A, a breaking capacity of 200 kA at rated voltage, and power dissipation of 11.5 W at the rated current. This product is UL Recognized.

The fuse operates at a rated voltage of 250 V and is designed in accordance with IEC standards 60269-1 and -4. It features an extremely high breaking capacity, making it suitable for protecting power semiconductors. The device adheres to the gR class as per VDE 636-23 and IEC 60269.4. This specific design does not include a trip indicator.With an ampere rating of 25 A, the fuse has a diameter of 0.73 inches. The clearing I2T at rated voltage is 160 A²s, while the melting I2T is recorded at 30 A²s. Power dissipation when operating at the rated current is 4.8 W. Constructed from ceramic insulating material, this fuse is part of the Protistor® BS88-4 series, size 17x27 aR, and is bolted for mounting.

The NH fuse-link system is recognized as a plug-in fuse assembly that includes components such as a fuse-base, which may come equipped with terminal covers and phase barriers, along with a fuse-link featuring blade contacts and a replacement device (LV HRC fuse puller). Given the nature of this system, its rated current interchangeability is not guaranteed, necessitating handling by qualified professionals.Type gG NH fuse-links possess full-range breaking capacity, facilitating protection for cables and electrical equipment. These fuse-links can effectively interrupt current surges from their minimum fusing current to their specified breaking capacity. Consequently, they serve as standalone protection units or can safeguard electrical devices and industrial setups against the electrodynamic consequences of high short-circuit currents.Standards applicable to this device include DIN 57636 Part 201, VDE 0636 Part 201, and IEC 60269-1 and -2, ensuring compliance with recognized safety and performance benchmarks. The body material is ceramic, and the contacts are composed of copper with silver plating. The gG type is specifically tailored for general-purpose applications, with an ampere range spanning from 2 to 800 A.