Shanghai Husu M&E Technology Co., Ltd
| Supply Ability | 100 Tons/Month |
| Diameter Range | 0.10 mm – 4.00 mm (Grade 2 full series) |
| Chemical Resistance | Good resistance to transformer oils & refrigerants |
| Packaging Details | Spools, Cartons, Pallets, Wooden Boxes |
| Thermal Class | Class 130 (B) |
| Cut-through Temperature | ≥240°C (superior overload resistance) |
| Insulation Material | Polyester resin (modified) |
| Conductor Type | Solid |
| Delivery Time | 1-2 Weeks |
| Conductor | High-purity copper (ECU) |
| Heat Shock | 155°C (excellent thermal stability) |
| Payment Terms | T/T |
| Film Grade | Grade 2 ★ Heavy build |
| Standards | GB/T 6109.7-2008, IEC 60317-34, NEMA MW 5-C |
| Model Number | QZ-2/130L |
| Brand Name | CHINGCUNG |
| Certification | RoHS |
| Place of Origin | Jiangsu, Zhejiang |
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Product Specification
| Supply Ability | 100 Tons/Month | Diameter Range | 0.10 mm – 4.00 mm (Grade 2 full series) |
| Chemical Resistance | Good resistance to transformer oils & refrigerants | Packaging Details | Spools, Cartons, Pallets, Wooden Boxes |
| Thermal Class | Class 130 (B) | Cut-through Temperature | ≥240°C (superior overload resistance) |
| Insulation Material | Polyester resin (modified) | Conductor Type | Solid |
| Delivery Time | 1-2 Weeks | Conductor | High-purity copper (ECU) |
| Heat Shock | 155°C (excellent thermal stability) | Payment Terms | T/T |
| Film Grade | Grade 2 ★ Heavy build | Standards | GB/T 6109.7-2008, IEC 60317-34, NEMA MW 5-C |
| Model Number | QZ-2/130L | Brand Name | CHINGCUNG |
| Certification | RoHS | Place of Origin | Jiangsu, Zhejiang |
CHINGCUNG® | Special Enameled Wire Expert
Class 130 Thermal Rating | Grade 2 Heavy Build | Reliable & Cost-Effective for General Windings
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Featured: Grade 2 (Heavy Build) QZ-2/130L with Grade 2 polyester insulation provides enhanced dielectric strength and mechanical durability compared to Grade 1. Ideal for transformers, motors, and general electromagnetic devices where proven reliability and cost efficiency matter. Grade 1 also available. |
✓ Grade 1 available |
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Key Attributes
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Electrical & Thermal
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Dimensional Data (QZ-2/130L Copper Round - Grade 2 focus)
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Conductor Dia. (mm) |
Tolerance ±mm |
Min. Film Build Grade 2 (mm) |
Max. Outer Dia. Grade 2 (mm) |
Typical Breakdown (V) |
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0.10 |
±0.003 |
0.016 |
0.125 |
≥900 |
|
0.15 |
±0.003 |
0.023 |
0.182 |
≥1200 |
|
0.20 |
±0.003 |
0.027 |
0.239 |
≥1500 |
|
0.25 |
±0.004 |
0.032 |
0.297 |
≥1800 |
|
0.30 |
±0.004 |
0.035 |
0.352 |
≥2000 |
|
0.35 |
±0.005 |
0.038 |
0.406 |
≥2200 |
|
0.40 |
±0.005 |
0.040 |
0.459 |
≥2400 |
|
0.50 |
±0.005 |
0.045 |
0.566 |
≥2600 |
|
0.60 |
±0.006 |
0.050 |
0.674 |
≥2800 |
|
0.70 |
±0.007 |
0.053 |
0.779 |
≥3000 |
|
0.80 |
±0.008 |
0.056 |
0.884 |
≥3200 |
|
0.90 |
±0.009 |
0.060 |
0.989 |
≥3400 |
|
1.00 |
±0.010 |
0.065 |
1.094 |
≥3600 |
Table shows typical Grade 2 dimensions. Full range 0.10~4.00mm available. Grade 1 datasheet upon request. Custom builds available for specific voltage requirements.
Why CHINGCUNG QZ-2/130L Polyester Wire?
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Class 130 Thermal Stability Reliable continuous operation at 130°C, cost-effective solution for standard applications. |
Grade 2 Enhanced Dielectric Heavy build insulation provides ~30% higher breakdown voltage than Grade 1. |
Cost-Effective Excellent balance of performance and affordability for general-purpose windings. |
Proven Reliability Decades of industry trust for transformers, motors, and household appliances. |
The QZ-2/130L polyester enameled copper wire is a workhorse product in the CHINGCUNG portfolio. Using advanced polyester resin formulations, the Grade 2 heavy build ensures consistent insulation thickness with low pinhole defects. Our precision coating lines guarantee film deviation within ±0.003mm across the entire diameter range. This wire fully complies with IEC 60317-34 and GB/T 6109.7 standards, making it an ideal choice for manufacturers seeking reliable, cost-efficient magnet wire for standard electromagnetic applications. The modified polyester insulation offers good resistance to transformer oils, refrigerants, and moisture, ensuring long service life under normal operating conditions.
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Custom Attributes (Differentiators)
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Commercial & Logistics
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Typical Applications
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Power transformers |
Distribution transformers |
AC/DC motors |
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Household appliance motors |
Solenoids & relays |
Ballasts & chokes |
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Generators |
Induction coils |
Power tools |
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Automotive components |
QZ-2/130L polyester enameled wire with Grade 2 heavy build is the standard choice for countless electrical applications where Class 130 thermal rating suffices. The heavy build provides additional insulation safety margin for transformers and motors operating in normal industrial and residential environments. CHINGCUNG supplies this grade to customers across the globe for use in power distribution, home appliances, automotive systems, and industrial controls.
Technical insight: Grade 2 vs Grade 1 – Why choose heavy build?
For applications where voltage stress or winding density requires higher insulation reliability, Grade 2 (heavy build) adds 0.005~0.045mm of polyester insulation compared to Grade 1, increasing breakdown voltage by approximately 25-35%. The QZ-2/130L heavy build also offers improved mechanical abrasion resistance during coil winding, reducing the risk of insulation damage. While Grade 1 is suitable for many low-voltage applications, Grade 2 provides that extra layer of safety and long-term durability. CHINGCUNG's advanced coating technology ensures uniform film application with minimal eccentricity, maximizing the benefits of the heavy build.
✅ Recommendation: For most transformer and motor applications, QZ-2/130L Grade 2 offers the optimal balance of cost and reliability. For higher temperature requirements (155°C+), please consider our QZ-2/155 or QZY series wires.
Shanghai Husu M&E | CHINGCUNG Strength
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§ Established in 2015, dedicated to special enameled wires, owned factories in Jiangsu & Zhejiang. § Automated production lines + in-line pinhole/concentricity inspection; monthly capacity 100 tons. § Multiple patents and ISO9001 quality system to ensure Grade 2 film precision. § Experienced import/export team providing turnkey international logistics (air/sea/courier). § Free technical support for material selection, customized insulation build & voltage rating. |
Contact usShanghai Husu M&E Technology Co., Ltd |
Frequently Asked Questions
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Q1: Can I order a sample of QZ-2/130L Grade 2 for testing? Q2: What is the difference between QZ-2/130L and QZ-2/155? Q3: Is this wire suitable for oil-immersed transformers? |
Q4: Can you customize spool sizes or winding lengths? Q5: What is the typical lead time and export documents? Q6: Do you offer other conductor materials like aluminum or CCA? |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2015
Total Annual:
1,000,000-10,000,000
Employee Number:
100~110
Ecer Certification：
Verified Supplier
Shanghai Husu M&E Technology Co., Ltd has been a reliable supplier of high-performance enameled wires since 2015. Under our brand CHINGCUNG, we serve global manufacturers with quality products and professional service. EVMagnetWire.com is our dedicated platform for regular enameled ... Shanghai Husu M&E Technology Co., Ltd has been a reliable supplier of high-performance enameled wires since 2015. Under our brand CHINGCUNG, we serve global manufacturers with quality products and professional service. EVMagnetWire.com is our dedicated platform for regular enameled ...
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