Professional Cylindrical Fuse Manufacturer
Chifeng Electric is a professional Cylindrical Fuse manufacturer, supplier, and OEM partner, specializing in the design, development, and production of high-quality cylindrical fuse solutions for industrial power distribution, electrical protection, renewable energy systems, motor control, and semiconductor applications.
Why Choose Chifeng Electric?
Selecting a reliable cylindrical fuse manufacturer is essential for ensuring electrical safety, equipment reliability, and long-term operational performance.
Our Advantages:
Professional low-voltage fuse manufacturer
Extensive experience in circuit protection solutions
Complete cylindrical fuse product portfolio
Stable electrical performance
Technical Specifications
|
Item |
Specification |
|
Product Type |
Cylindrical Fuse |
|
Utilization Category |
gG / aM / aR / gPV |
|
Rated Voltage |
AC 400V–690V / DC Series Available |
|
Rated Current |
0.5A–125A (Series Dependent) |
|
Breaking Capacity |
Up to 120kA |
|
Body Material |
High-Strength Ceramic |
|
Fuse Element |
High-Purity Silver / Copper Alloy |
|
Filling Material |
High-Purity Quartz Sand |
|
Standard Sizes |
10×38mm / 14×51mm / 22×58mm |
|
Mounting |
Fuse Holder |
|
Compliance |
IEC 60269 (Series Dependent) |
|
Application |
Low Voltage Circuit Protection |
Typical Electrical Performance
|
Parameter |
Typical Value |
|
Rated Voltage |
Up to 690VAC |
|
Rated Current |
0.5A–125A |
|
Breaking Capacity |
Up to 120kA |
|
Operating Frequency |
50/60Hz |
|
Temperature Rise |
Low |
|
Power Loss |
Optimized |
|
Contact Resistance |
Low |
|
Mechanical Durability |
Excellent |
|
Service Life |
Long |
|
Electrical Stability |
High |
Cylindrical fuses protect electrical circuits by interrupting excessive current before it damages cables, equipment, or components — providing dependable overcurrent protection for low-voltage AC and DC systems when installed in compatible holders.
Normal Operation: Current flows through the precision element with minimal resistance and heat — Continuously carries rated current without affecting system performance.
Overload or Short Circuit: Abnormal current from overload, equipment failure, or short circuit exceeds rating — element heats rapidly.
Different classes respond differently: GG (overload + short circuit), aM (short circuit only, overload by thermal relay), aR (ultra-fast for semiconductors), gPV (photovoltaic DC protection).
Fuse Element Melts: Fault current reaches designed characteristic — Element melts rapidly. High-purity quartz sand absorbs arc energy, safely extinguishes current.
Arc Extinction: Quartz filler cools and suppresses arc almost immediately — Prevents reignition, limits fault energy. Protects electrical equipment, distribution, conductors, motors, semiconductors, renewable systems.
Circuit Isolation: Faulty circuit completely isolated. Replace fuse after root cause identified and corrected — restores protection.
Chifeng Electric Cylindrical Fuses provide dependable electrical protection across industrial and commercial applications — Premium materials, strict quality control, consistent performance, long service life.
Reliable Overcurrent Protection: Interrupts overloads and short circuits before equipment damage — improves system reliability, operational safety.
High Breaking Capacity: Interrupts high prospective fault currents — Excellent insulation, safe operation.
Excellent Thermal Stability: High-strength ceramic + Premium quartz sand — Stable under elevated temperatures, thermal cycling.
Low Power Loss: Optimized element design — Minimal resistance, improved energy efficiency, less heat.
Long Service Life: Premium materials + Precision manufacturing — Stable performance throughout operational life.
Wide Product Selection: Multiple categories: GG, aM, aR, gPV, DC series — Diverse protection requirements covered.
Easy Installation: Standard holders — Quick installation, straightforward maintenance in panels and control cabinets.
Chifeng Electric Cylindrical Fuses are widely used in electrical distribution, industrial equipment, renewable energy, and automation — where dependable overcurrent protection is essential.
Low-Voltage Power Distribution
Feeders, branch circuits, switchboards, distribution panels — protects against overloads and short circuits, ensures safe reliable power delivery.
Industrial Control Panels
Motor control centers, PLC cabinets, automation systems — protects control circuits and components from overcurrent damage.
Motor Protection Systems
AM fuses + Thermal overload relays — Short-circuit protection for pumps, compressors, fans, conveyors, industrial motors.
Photovoltaic (PV) Systems
GPV fuses — Protects PV strings, combiner boxes, DC circuits from reverse currents and faults — Supports safe solar operation.
Battery Energy Storage Systems (ESS)
Battery banks, DC distribution cabinets, power conversion systems — Improves protection and reliability.
How to Select the Right Cylindrical Fuse
Proper fuse selection is essential for reliable circuit protection and equipment performance — minimizes downtime, prevents damage, complies with standards.
Identify the Application:General distribution, motor protection, semiconductor protection, PV systems, DC power, industrial automation — different applications require different categories and characteristics.
- Choose Correct Utilization Category:
- GG – Full-range protection for cables and distribution
- AM – Short-circuit protection for motor circuits (with overload relays)
- AR – Ultra-fast protection for semiconductors
- GPV – Full-range protection for photovoltaic DC systems
- Verify Rated Voltage & Current:Voltage ≥ system voltage — Current suitable for continuous load, considering ambient temperature and overload characteristics.
- Select Correct Size:Select the appropriate size to match and install the fuse holder
- Consider Breaking Capacity:Interrupting rating > maximum prospective short-circuit current at installation point — Essential for safe interruption and compliance.
Quality Control
Quality management is integrated into every manufacturing stage — from raw material inspection to final testing, every fuse is produced under standardized QC procedures for consistent performance and dependable protection.
Incoming Material Inspection: Ceramic tube quality, silver strip purity, copper contact dimensions, silver plating thickness, quartz sand purity, insulating components, hardware, packaging — Only approved materials proceed.
Production Process Control: Element stamping precision, assembly accuracy, sand filling density, end cap crimping, welding quality, marking, laser verification, batch traceability, dimensional control — Continuous monitoring for stable quality.
Electrical Performance Testing: Resistance measurement, rated current, voltage verification, breaking capacity, temperature rise, time-current characteristics, contact resistance, mechanical strength, appearance — Comprehensive testing per batch.
Final Product Inspection: Dimensions, label accuracy, surface finish, packaging integrity, quantity, carton identification, traceability — Only qualified products released.
Factory Capability
Founded in 1988, Chifeng Electric has evolved to be a competitive fuse brand in China with well-established and growing platforms in circuit protection technologies.
Advanced Manufacturing Equipment
Precision element stamping, automatic assembly lines, ceramic processing, silver welding, precision torque, laser marking, automated inspection, electrical performance labs — High accuracy, consistent quality.
Production Capacity
Standard products, large-volume OEM orders, custom engineering, small-batch prototypes, long-term supply agreements — Flexible planning, stable lead times.
Research & Development
Continuous innovation — Semiconductor protection, element design optimization, low I²t development, thermal performance, material research, reliability enhancement, new product development, customer-specific engineering.
Packaging & Global Shipping
Proper packaging ensures cylindrical fuses arrive safely and maintain performance during international transport — export-standard solutions protect against vibration, moisture, dust, and impact.
Packaging Options
Individual protective packaging, plastic tray, blister packaging, inner cartons, heavy-duty export cartons, pallet packaging, moisture-proof packaging, OEM retail packaging, custom labels, barcode identification — flexible solutions per customer requirements.
Global Shipping Solutions
FCL, LCL, air freight, railway, express courier (DHL, UPS, FedEx, TNT), multimodal — specialists help select most cost-effective, reliable solution by destination, schedule, volume.
Export Documentation
Commercial invoice, packing list, bill of lading, Certificate of Origin, TDS, product catalog, test reports, COC, RoHS declaration, REACH declaration, other required documents.
Certifications
Our product portfolio is designed to comply with applicable international standards, including:
IEC 60269 Series
UL Recognized Product Requirements (selected models)
RoHS Compliance
REACH Compliance
FAQ
As one of the most professional cylindrical fuses manufacturers and suppliers in China since 1988, we have world-leading production equipment and strong manufacturing capabilities. Please feel free to buy advanced cylindrical fuses at competitive price from our factory.