ECNR3.2

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ECNR3.2 is an electronic fuse used for circuit protection, which belongs to electrical specialty fuses. It is dedicated to medium and high voltage applications, especially those with 130V to 600V AC/DC voltage requirements. This product has UL2579, CSA, CE, TUV certifications, providing >2000A current carrying capacity, >15kA peak current withstanding capability. Its built-in arc control features an integrated active-past arc suppression, providing a MTBF reliability of 5,000 hours.

ECNR3.2 also has a very good thermal compensation capability and wide operating temperature range. The fuse is UL1877E gas discharge tube-based, and when compared to the traditional fuses, it can provide comparable thermal stability and at the same time eliminates expensive field calibration costs. The fuse also features a re-engagement time of 1.9 seconds, permitting contact reset after every arcing cycle.

The ECNR3.2 is assembled with a unique proprietary dielectric material and is designed to ensure fast response time, optimal protection and long-term dependability. The application fields of ECNR3.2 extend to transformer protection, battery protection, uninterruptible power supply (UPS) protection, and more. It is ideal for various power conversion and control applications, especially power protection in high-brow applications.

ECNR3.2 works by sensing short-circuit faults and other irregularities. When an overcurrent or short circuit fault is detected, the fuse’s internal arc detection circuitry will detect the arc fault and disconnect the load. The thermal and arc sensing mechanisms ensure the appropriate current level is maintained by tripping the fuse in case of overcurrent or short-circuit faults. The arc-sensing technology also ensures a high immunity to spurious tripping in the event of false arc detection.

The ECNR3.2 offers a unique combination of fast response time, thermal compensation and arc sensing in one package. This ensures reliable and cost-effective protection to sensitive circuit from overcurrents and short circuiting. It is extremely reliable and long-lasting, and provides a greater resistance to arc faults than traditional fuses, ensuring that it can protect the electrical systems from dangerous circuits.

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