Zhejiang Hongman Electric Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of nh1 fuse link in China. We are committed to providing high quality customized products made in China with competitive price. Welcome to wholesale bulk cheap nh1 fuse link from our factory.
Product Introduction
The NH1 Fuse Link is simple to install and delivers consistent, heavy-load operational stability, making it ideal for cabinet builders and new energy system integrators looking to upgrade low-voltage circuit safety and power protection levels. In addition, it features a variety of advanced and state-of-the-art features, including high-density quartz sand arc extinguishing structure, low-temperature-rise copper blade terminals and precision gG full-range protection mechanism, which help ensure unparalleled short-circuit breaking efficiency and long-term reliable circuit protection.
Product Parameter
|
Item |
Specification |
|
Model |
NH1 Single Front Indicator Ceramic HRC Knife Blade Fuse Link |
|
Utilization Category |
gG (General dual protection for overload & short circuit of medium-heavy industrial cables and large switchgear) |
|
Rated Voltage |
AC 500V / AC 690V, DC440V |
|
Breaking Capacity |
AC500V: 120kA; AC690V: 50kA |
|
Available Current Range |
40A ~ 250A (complete industrial heavy current specs:40A,63A,100A,160A,200A,250A) |
|
Housing Material |
High temperature flame retardant integrated thick beige ceramic insulated body |
|
Arc Extinguishing Medium |
High purity quartz sand (silicon content ≥99%) |
|
Contact Material |
Reinforced thickened tin-plated solid copper knife blade, anti-oxidation & low temperature rise under heavy continuous load |
|
Indicator Feature |
Single front pop-up visual blown indicator, obvious red mark exposed after fusing |
|
Executive Standard |
EN/IEC60269-2, DIN43620, GB13539.1 |
|
Certifications |
CE, CCC, TUV, ISO9001, RoHS environmental certification |
|
Matching Base |
Special dedicated NH1 heavy-duty knife blade fuse base |
|
Application |
Medium-large industrial low voltage switchgear, heavy-duty factory control boxes, centralized PV energy storage stations, UPS, medium-high power motor & inverter protection |
Product Advantage
High-Density Sintered Ceramic Shell Pass Alternating Temperature Shock Test
The thick beige ceramic housing is formed via 1300℃ one-step high-density integrated sintering craft, passing 500 cycles of -30℃ ~ +80℃ high-low temperature alternating shock testing without cracking, deformation or insulation attenuation. Its stable mechanical and insulation performance can adapt to long-term harsh working environments such as high-temperature factory workshops and outdoor centralized energy storage power stations, extending the whole service life of the fuse.
Built for medium and heavy-duty industrial scenarios, the NH1 HRC Fuse Link adopts explosion-proof high-temperature ceramic housing, effectively resisting thermal aging and current impact in harsh working environments. Designed for high-current power distribution, the NH1 250A Fuse offers stable continuous load capacity and ultra-fast fault response, perfectly adapting to industrial motors, inverters and centralized power distribution equipment. Optimized with standardized IEC and DIN specifications, this NH1 HRC Fuse Link supports universal interchangeability with mainstream brand fuses, greatly simplifying equipment maintenance and part replacement. With excellent overcurrent isolation performance, the NH1 250A Fuse provides solid and trustworthy safety protection for commercial and industrial low-voltage power systems.
Production Process & Quality Control System
Packaging, Shipping & After-sales Service
Inner Packaging: Each fuse is individually packed in an anti-collision plastic case to prevent deformation of copper blade contacts during transportation.
Outer Packaging: Standard export cartons wrapped with moisture-proof films.
A full set of customs clearance documents is available, including CE certificates, test reports, commercial invoices and packing lists.
FAQ
Q1: Can NH1 250A Fuse NH1 HRC Fuse Link be applied to both AC industrial distribution circuits and DC large energy storage battery cabinets?
A1: Yes, this NH1 series supports AC500/690V industrial power distribution and DC440V large-capacity energy storage loops simultaneously. Its high breaking capacity can resist large instantaneous surge current generated during inverter startup, avoiding false fusing and providing reliable heavy-current short-circuit protection for energy storage battery clusters.
Q2: What is the maximum allowable continuous operating ambient temperature of NH1 heavy current fuse link?
A2: The standard stable operating temperature range is -25℃ ~ +70℃. If installed in fully sealed inverter cabinets with poor internal heat dissipation, we recommend reducing actual operating load current by 10% to avoid premature aging of internal thick melt strips.
Q3: Can customers only purchase NH1 fuse links without supporting matching NH1 fuse bases?
A3: Separate sales of fuse links are supported. If customers already hold stock of standard NH1 fuse bases, they can independently order fuse links only to cut overall spare parts procurement costs.
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