115A 3mh Air Core Toroidal Harmonic Filtering Current Limit Smoothing Line Reactor Inductor Choke 380V 1140V Copper for VFD Motor Voltage IGBT Power
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Product Highlights
- Air-Core Design: Ensures good heat dissipation, anti-interference, and noise reduction for stable operation.
- High Efficiency: Working efficiency exceeds 95% with temperature rise under 100K (F) or 125K (H).
- Wide Voltage Range: Rated voltage supports 110V to 3300V for diverse power supply systems.
- Customizable Impedance: Impedance can be customized according to specific customer requirements.
- Robust Safety Shell: Features a magnetic leakage-proof shell to enhance internal shielding and safety.
- 100% Quality Control: Eight QC inspections from raw materials to final products ensure every unit is qualified.
- Fast Response Time: Quotations are typically provided within 24 hours after receiving an inquiry.
- Global Certifications: Products certified by CE, TUV, ISO9001, and PSE for international compliance.
Product Attributes
- Customization
- Available
- Type
- Fixed Inductor
- Structure
- Without Core
- Model NO.
- Air core reactor_Inductor-115A-3mH
- Working Frequency
- Power Frequency
- Structure of Winding
- Multilayer Coil
- Nature of Operation
- Choke Coil
- Structure of Magnetizer
- Copper Coil
- Range of Application
- Filter
- Packaging Form
- Generic
- Brand
- Lushan China
- Inductor Value
- Fixed Inductor
- Category
- High-Frequency Reactor_Inductor
- Rated Current
- 150A
- Winding Materials
- Copper/Aluminum
- Insulation Grade
- H/F
- Impedance
- Customized
- Cooling Type
- an
- Sound Level
- <75dB
- Certification
- ISO9001,CE,TUV
- Transport Package
- Wooden Pallet/Wooden Case
- Trademark
- Lushan
- Origin
- Changsha China
- Production Capacity
- 8000 Units/Year
- Package Size
- 395.00cm * 340.00cm * 610.00cm
- Package Gross Weight
- 40.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 115A 3mh Air Core Toroidal Harmonic Filtering Current Limit Smoothing Line Reactor Inductor Choke 380V 1140V Copper for VFD Motor Voltage IGBT Power
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Product Description

The air-core reactor in rail transit has good heat dissipation, anti-interference, noise reduction with its air-core design, and a magnetic leakage-proof shell for safety, ensuring the power supply system's stable and efficient operation.

The special structure and air-core quickly dissipate heat. During rail transit's frequent operations and high load, it keeps the reactor cool, ensuring stable power and preventing overheating failures. For example, in high-speed railway power supply, it meets high-power needs.
It shields external interference well. In the complex rail transit electromagnetic environment, it ensures signal accuracy, avoids communication issues, and the shell enhances internal interference shielding, reducing impacts on other equipment.
Operation Environment
A) Altitude: Not exceeding 1000m, shall be derating used if above 1000m;
B) Ambient Temperature: -25ºC~55ºC.
C) Relative Humidity: ≤95%;
D) As to the installation site, to make sure no bad effect on transformer insulation, chemical deposition, dust, and other explosive or erosive medium.
E) The supply voltage approximates sinusoidal wave, and the three-phase voltage is relatively balanced.
Technical Parameter
| Capacity | 500~2000 kVar | Working Efficiency | >95% |
| Rated Voltage | 110~3300V | Temperature Rise | <100K(F)/<125K(H) |
| Rated Current | 1~2000A | Sound Level | <75dB |
| Winding Material | Copper/Aluminum | Ingress Protection | Upon customer request |
| Insulation Class | F/H | Insulation Resistance | >100MΩ |
| Leading Time | 7~30 working days | Package | Wood Crate/ Cardboard Box |
| Dielectric Withstanding Voltage: Upon customer request | |||



development of transformers and reactors, intearating both domestic and internationa
advanced technologies.
The company's leading products incude single-phase isolation transformers
three-phase isolation transformers, reactors, medium and high-frequency products
transformers for rail transit projects, transformers for wind power and photovoltaic
projects,mining transformers,hydroelectric excitation transformers,furnace transformers intelligent and safe electricity transformers, and more. With over fifty years of experience in transformer and reactor industries, the company has accumulated rich technical expertise and experience in various application fields. Through independent and collaborative research and development efforts,the company actively explores and applies new technologies, materials,and processes, continuously optimizing and innovating with a focus on high-tech solutions. The company's technical capabilities are among the leading in China.
In terms of quality management and assurance, the company strictly adheres to the
IS0 9001:2015 system standard, with most products certified by CE, TÙV, and PSE
Its products are sold nationwide and exported to numerous countries and regions
including Japan, Europe, and North America, gaining the trust and praise of customers.
For fifty years, Lushan has upheld the core philosophy of"Beyond Products,Delivering Solutions." constantly pursuing innovation in the industry. lt has accumulated extensive technical expertise and experience in many application fields. Through independent R&D and collaborative development, the company explores new technologies, materials and processes, advancing modernization and innovation. Its key technical capabilities are now at the forefront of the domestic industry.



Q1: Are you a Manufacturer, factory or Trading company ?
A1: We are the manufacturer specializing in power transformer,inductor,and reac
tor production for 50 years.
Q2: How can l trust you ?
A2: Our company, Lushan Electronic was founded in 1975 specializing in power
transformer and reactor over 50 years, We have been cooperated with Fortune 500
companies such as CRCC,CRRC for over 10 years. We have many patent certificates
CE certificate, TUV certificate, lS09001 certificate.Our products are widely used all
around the world.We believe that we can provide you products of good quality
with competitive price.
Q3: What's your major products?
A3: Dry-type transformer, oil-immersed transformer, high voltage and low voltage
transformer, line reactor, filter reactor, high-frequency transformer and reactor.
Q4: What's your warranty terms?
A4: We offer at least 12 months warranty time.
Q5: Lead time for mass production?
A5:7 to 25 working days or depending on order quantity.
Q6: What's your payment terms?
A6: T/T,T/C or negotiation.
Q7: How do you conduct quality control in your factory?
A7: We implement 100% QC inspection to ensure every product is qualified. We
have 8 QC inspections during the manufacturing process from raw material to the
final products.
Q8: Could l have your catalog and price list for trial order in MOQ quantity?
A8: All of our products are showing on Made-in-China or official website, you are
always welcome to ask me to get more information directly. Sample order is acceptable.
Q9: Can your product be customized?
A9: Considering differences in voltage, frequency and other speciality of transform-
er product in different countries and regions, our product can be customized ac-
cording to your requirements.
Q10: What should provide to make customized transformer?
A10: Technical drawing is the best,or tell us power (capacity), voltage, installation
size limitation, insulation class and etc.
Q11: When can l get the price?
A11: Usually we quote within 24 hours after we get your inquiry.
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR259063". Items marked "" are certified.
Company Profile
LUSHAN China, founded in 1975, is a manufacturer integrating domestic and foreign high-tech, specializing in the production and development of transformers and reactors.
Its main products include single-phase isolation transformers, three-phase isolation voltage regulators, reactors, medium and high frequency products, rail transit project transformers, wind power and photovoltaic project transformers, mining series transformers, hydropower excitation transformers, furnace project transformers, etc. In terms of quality management and quality assurance, the IS09001: 2015 series standards are strictly implemented, and most products have passed CE, TUV and PSE certifications. The company's products are exported to many countries and regions such as Japan, Europe and the United States, and are deeply trusted and praised by customers.
The company has been pursuing innovation in the transformer and reactor industry for more than 40 years, and has rich technical precipitation and experience accumulation in the field of industry application. Through independent and cooperative development and other channels, new technologies, new materials, and new processes are studied and applied, with high-tech as the feature, and continuous modernization and innovation, mainly in terms of technical capabilities to reach China's leading level.
The company adheres to the enterprise spirit of "strengthening the control process, improving product quality, enhancing customer satisfaction, and becoming a first-class enterprise", providing customers with application solutions and products with superior performance and reliable quality, and providing users with satisfactory technical services and high-quality pre-sales, in-sales, and after-sales services. Taking customers as the focus, satisfying the needs of customers is our eternal pursuit.
At present, we are striding towards high-voltage, high-frequency, and high-current transformers and reactors. In the future, we will continue to uphold the purpose of "providing not only transformers and reactors, but also solutions", and fully meet various application needs with professionalism and innovation.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Xinggongdadao, Wangcheng District, Changsha, Hunan, China
-
Plant Area
- 17407.68 square meters
-
Number of Employees
- 57
-
Registered Capital
- 5,069,000 RMB
-
Terms of Payment
- T/T, PayPal
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai port
-
Minimum Order Quantity
- 1pc
-
Supply Chain Partners
- 939
Our Production Capability & Technical Expertise
-
Main Products
- Power Transformer, Single-Phase Transformer, Three-Phase Transformer, Dry Transformer, Distribution Transformer, High-Frequency Transformer, High-Frequency Reactor, DC&AC Line Reactor, Inductor, Choke
-
Production Lines
- 1
-
Production Machines
- Confidential, Confidential, Confidential, Confidential, Confidential, Confidential, Confidential
-
QA/QC inspectors
- 4 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1975-08-07
-
Export Year
- 20 years
-
Main Markets
- North America, South America, Europe, Africa, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- Yes
FAQ
- Are you a Manufacturer, factory or Trading company?
- We are the manufacturer specializing in power transformer, inductor, and reactor production for 50 years.
- How can I trust you?
- Our company, Lushan Electronic was founded in 1975 specializing in power transformer and reactor over 50 years, We have been cooperated with Fortune 500 companies such as CRCC, CRRC for over 10 years. We have many patent certificates CE certificate, TUV certificate, ISO9001 certificate. Our products are widely used all around the world. We believe that we can provide you products of good quality with competitive price.
- What's your major products?
- Dry-type transformer, oil-immersed transformer, high voltage and low voltage transformer, line reactor, filter reactor, high-frequency transformer and reactor.
- What's your warranty terms?
- We offer at least 12 months warranty time.
- Lead time for mass production?
- 7 to 25 working days or depending on order quantity.
- What's your payment terms?
- T/T, T/C or negotiation.
- How do you conduct quality control in your factory?
- We implement 100% QC inspection to ensure every product is qualified. We have 8 QC inspections during the manufacturing process from raw material to the final products.
- Could I have your catalog and price list for trial order in MOQ quantity?
- All of our products are showing on Made-in-China or official website, you are always welcome to ask me to get more information directly. Sample order is acceptable.
- Can your product be customized?
- Considering differences in voltage, frequency and other specialty of transformer product in different countries and regions, our product can be customized according to your requirements.
- What should provide to make customized transformer?
- Technical drawing is the best, or tell us power (capacity), voltage, installation size limitation, insulation class and etc.
- When can I get the price?
- Usually we quote within 24 hours after we get your inquiry.
Send your message to this supplier
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Product Groups
- LV three-phase Transformer up to 3.3kV
- HV three-phase Transformer up to 35kV
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- AC Input Reactor_Inductor
- Three-phase AC reactor_Inductor
- DC Reactor_Inductor
- Toroidal Transformer
- R-core Transformer
- Air Core Reactor_Inductor
- High-frequency reactor_inductor_choke
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