Zhejiang Chifeng Electric Co., Ltd. is one of the leading manufacturers and suppliers of nt00 square fuse 160a 690v ceramic copper in China, also supports customized service. Welcome to wholesale bulk nt00 square fuse 160a 690v ceramic copper made in China here and get quotation from our factory. For price consultation, contact us.
Applied Range
High Quality Materlals
High Purity Copper Material
The fuse element made of high purity copper metal material has the advantages of high electrical conductivity, good stability, low power consumption and low temperature rise.
The arc-extinguishing medium of the fuse is high-grade quartz silica. The advantage of this material is that it can extinguish the arc generated during the operation of the fuse, providing better heat resistance and higher arc discharge resistance.
High Grade Quartz Sand
High Performance Ceramics
The fuse body is made of high- performance ceramics, which has theadvantages of high temperature resistance, high insulation, high mechanical strength, and chemical inertness.
Product Details
| Parameter | |
| Product name | NH00 |
| Type | NH Series |
| Class of operation | gG,gL,aM |
| Test standards |
IEC60269 |
| Usage | Low Voltage |
| Rated voltage ue | 500V / 690V |
| Rated current | 10-160A |
| Rated breaking capacity |
120kA / 50kA |
| Brand name | CHIFENG |
| Place of origin | China |
| Zhejiang | |
Professional Fuse Manufacture
35+ years professional and reliable fuse manufacture in China.
ISO 9001 certified factory with intellectualized and automated capabilities.
Complete test facilities with highly qualified experts.
Zhejiang Chifeng Electricity co., Ltd
square meters of floor area
years experience
exporting countries
employees
| Module | Chifeng fuse | Inferior fuse | Performance impact |
| Fusant material | High purity copper | Lead-tin alloy, common copper wire | Affect the fuse accuracy and reaction speed |
| Sheathing material | High-performance ceramics | Ordinary ceramics, recycled plastics | Affect insulation and arc extinguishing ability |
| Filler quality | High-grade quartz silica,Filling tightly | Ordinary quartz sand or substitute, loosely filled | Affect the arc extinguishing speed |
| Electrode material | Silver-plated copper electrode,low contact resistance | Ordinary metal, easy to oxidize | Affect temperature rise and energy consumption |
| Performance index | Chifeng fuse | Inferior fuse | Potential risk |
| Current-time characteristic | Precise and stable, matching the overload characteristics of the equipment | High dispersibility and instability | Mis-protection or insufficient protection |
| Breaking capacity | High breaking capacity, strong current limiting characteristics | Insufficient breaking capacity, poor current limiting effect | The fault escalates, resulting in system power outage |
| Arc control | Rapid arc extinction (microsecond level) | Slow arc extinction (millisecond level) | Cause a fire or explosion |
| Aging characteristics | Good long-term stability | Severe characteristic drift | Reliability decreases over time of use |
| Consistency | The differences between products are small | Different performance of products from the same batch | The protection effect is unpredictable |
Manufacturing Technique
laboratory
X-Ray Fluorescence Spectrometer for Sample Composition Analysis
Precision Copper Component Machining Line
Fully Automated Fusible Strip Production System
High-Purity Quartz Silica Refining and Precision Processing Line
Fully Automated Precision Electroplating System
High-Precision
Stamping Press
Automatic injection
molding machine
assembly section
Quality inspection area
As the first and most critical line of defense for the DC side of ESS, the energy storage specialized fuse is a safety component tailored to the extreme working conditions of high-voltage DC, high short-circuit energy, frequent charge-discharge cycles, and long-term unattended operation of ESS. Unlike traditional AC fuses or general-purpose DC fuses, energy storage fuses are designed in strict accordance with the IEC 60269-4 standard for semiconductor device protection, with ultra-fast acting speed, high breaking capacity, precise and stable protection characteristics, and excellent arc extinguishing performance, which can effectively suppress short-circuit faults in the microsecond level, prevent thermal runaway of lithium batteries, and avoid catastrophic accidents such as system-wide power outages, fires and explosions.This article, from the perspective of a senior fuse engineer with decades of experience in the power protection industry, will systematically elaborate on the technical definition, core functions in ESS, and industry-leading selling points of high-quality energy storage fuses, and provide a comprehensive reference for ESS design, procurement, operation and maintenance personnel to select reliable protection solutions.
1. Technical Definition and Basic Classification of Energy Storage Specialized Fuses
1.1 Core Definition
An energy storage specialized fuse is a type of low-voltage high-breaking capacity protective device, belonging to the aR category (full-range breaking fast-acting fuse for semiconductor equipment protection) defined by the IEC 60269-4 international standard, which is specially developed for the DC side working conditions of ESS. Its working principle is: when the circuit has overload or short-circuit fault, the fusing element (fusant) inside the fuse will melt rapidly under the action of overcurrent, and extinguish the arc generated during the melting process through the high-performance arc extinguishing medium and structural design, so as to completely cut off the fault current and isolate the fault circuit within an extremely short time, protecting the core components of ESS such as battery packs, battery clusters, Power Conversion System (PCS) and DC converters from damage caused by overcurrent and short-circuit energy.
FAQ
Q:Do aM NH type fuses have to be marked with green color?
A:Yes, according to IEC 60269-2, the color of aM fuses should be green.
Q:Are dual-indicating NH fuses mandatory or optional?
A:Dual indicator system is optional for NH fuse.
Q:What does NH mean?
A:NH is the German abbreviation, N means low pressure, H means high breaking capacity.
