High Frequency Induction Heater Introduction
The HF induction heating equipment ranges from 15 to 70KW with an oscillating frequency of 30 to 100KHz. These machines are among our earliest models and have gained wide popularity due to their simplicity, reliability, and cost-effectiveness. They are suitable for various applications such as brazing, forging, and heat treatment. Examples include the brazing of diamond blades, machining tools, rod heating for forging, copper tube brazing, shaft quenching, and stainless steel vessel annealing. The power range of HF series induction heating equipment is from 15 to 70KW, making them the simplest, most affordable, and reliable options in our product line. They are widely used in metal heating applications both within China and internationally.
Main Models and Specifications:
Model | HF-15A/AB | HF-25A/AB | HF-25ABD | HF-35AB | HF-45AB | HF-70AB | |
Max Oscillating Power | 15KW | 25KW | 25KW | 35KW | 45KW | 70KW | |
Max Input Power | 7KW | 15KW | 25KW | 35KW | 45KW | 70KW | |
Max Input Current | 32A | 23A | 38A | 55A | 68A | 105A | |
Heating/Retaining Current | 200-600A | 200-1000A | 10-52A | 10-70A | 10-100A | 15-150A | |
Output Frequency | 30-100KHz | 30-80KHz | 30-80KHz | 30-80KHz | 30-80KHz | 30-80KHz | |
Input Voltage | 220 VAC single-phase, 50/60Hz | 380 VAC three-phase, 50/60Hz | |||||
Duty Cycle | 80% | 100% | |||||
Auto Heating/Retaining/Cooling Timers | 1-99 seconds | ||||||
Water Pressure | ≥ 0.2 Mpa (29 PSI) - you may use tap water and a water pump (>1/4HP & >240 Gph) | ||||||
Water Flow | ≥2-5L/min (0.5-1.3 gallons) | ≥6L/min (1.6 gallons)  |
≥10L/min (2.6 gallons) | ||||
Water Temperature | <40°C | ||||||
Product Size (L x W x H) - Generator | 560x260x480mm | 560x260x480mm | 560x260x480mm | 520x260x450mm | 620x310x520mm | 760x400x780mm | |
Transformer | 290x230x280mm | 290x230x280mm | 390x280x390mm | 360x260x390mm | 400x260x410mm | 450x300x460mm | |
Net Weight | 15 kg | 24.7KG | 28 kg | 40 kg | 43 kg | 72 kg | |
12kg | 14.5KG | 28.8kg | 33kg | 40 kg | 63 kg | ||
Packing Size | 610x500x540mm | 710x660x660mm | 710x660x660mm | 710x660x660mm | 710x660x660mm | 860x800x920mm | |
Packing Weight | 55kg | 68kg | 88kg | 96kg | 106kg | 192kg |
Model Explanation:
HF-XX AB:
HF - High Frequency Series Induction Heating Machine
XX - Rated Input Power or Oscillating Power
AB - Additional Function: A = With Timer Function; B = Split Type (with separated transformer)

Main Applications:
Hot Forging/Forming for large workpiece
Surface Hardening for large part
Preheating of pipe bending
Annealing of pipe welding
Melting of copper/aluminum and so on
Shrink-fit of sleeve of roller
etc.
Main Features:
1. Voltage feedback design and IGBT-based LC series resonance circuit.
2. IGBT Inversion Technology, high energy conversion over 97.5%
3. Energy saving up to 30% compared with SCR technology. In series resonance circuit, induction coil has high voltage and low current, thus reducing energy loss. Soft switch technology reduces switching loss.
4. Starts up 100% under any condition.
5. 100% duty cycle, capable of continuous operation at maximum power for 24 hours.
6. Low harmonic current and high power factor. Power factor remains above 0.95 during machine operation.
7. Automatic frequency tracking ensures a high power factor throughout the heating process.
8. Excellent reliability, IGBT is a self-turn-off transistor that ensures successful inversion and instant protection. IGBTs are sourced from Infineon, a world-renowned manufacturer.
9. Easy to operate and maintain, IGBT MF induction generator is simple to prevent and maintain due to its straightforward circuit structure and has comprehensive protection.
Main Features:
MOSFET power components and current inverting technologies have been used.
Simple structure and lightweight.
Easy to operate, learning takes just a few minutes.
Simple to install, can be done by non-professionals easily.
Multi-display functions, including displays of overcurrent, overvoltage, water failure, phase failure, and improper load, ensuring machine protection and easy repair.
Lightweight and compact size.
Induction coils can be easily changed to suit different parts.
Advantages of the model with timer: power and operating time for heating and retention periods can be preset respectively, enabling a simple heating curve. This model is recommended for batch production to improve repeatability.
Separate models are designed for dirty environments, allowing the generator to be placed in a clean space to enhance reliability; small size and light weight make it convenient for assembly or movement.
Company Information
YONGKANG YUELON ELECTRONIC EQUIPMENT CO.,LTD
YUELON specializes in researching and manufacturing solid-state medium to ultra-high frequency induction heating equipment and systems.
Our company was established in 1998 and is privately held.
We focus on precision induction heating solutions, using induction heating to improve efficiency and effectiveness in industrial heating processes.
These are used for applications such as brazing, annealing, quenching, forging, melting, shrink fitting, etc.
Our induction heating machines are available from 2KW to 1500KW output power with an operating frequency range of 0.5KHZ to 1.1MHZ.
Company philosophy:
By providing technical service to customers, we create value for them.
All our products are divided into four major series based on frequency:
Medium Frequency Series (abbr. MF series): 0.2-20KHZ
High Frequency Series (abbr. HF series): 30-100KHZ
Super Audio Frequency Series (abbr. SF series): 8-40KHZ
Ultra-High Frequency Series (abbr. UF series): 100-1000KH

Application

Our Customers

Packaging & Transportation

Certificate

Our Services
We offer complete services:
Before Sales
Our professional technicians recommend the right machine and can also customize special machines according to customer requirements and special parts.
Sales Following
During machine production, we monitor the quality and test the machine, taking pictures or making videos for customer checking.
After Sales
Machine comes with one year quality warranty and free replacement of spare parts (1 set of spare parts free for your stock, in case it needs replacement). We supply pictures or videos to help customers install the machine.
FAQ
1. Why choose YUELON?
Quality is our culture. YUELON puts this ideal into every line and circuit.
YUELON is specialized in researching and manufacturing solid-state medium to ultra-high frequency induction heating equipment and systems. Our company was established in 1998 and is privately held. Yongkang Yuelon Electronic Equipment Co., Ltd. specializes in researching and manufacturing solid-state medium to ultra-high frequency induction heating equipment.
2. How many years will it work?
Machine life is 10-15 years, and when the water temperature meets the needs, the equipment life will be longer.
3. How many days will it take to receive the machine?
Usually within 10-15 days after receiving your 100% payment.
4. MOQ, Mode of Payment
1 set, L/C, T/T
5. Where is the company address?
The company is located in Yongkang City, Jinhua City, Zhejiang Province, near Hangzhou and Yiwu.
6. If there is some trouble with the machine?
If there is any problem (free to send parts within one year), you can send us photos or videos, and we can mail accessories or provide video guidance to you, so you can promptly repair the machine.
7. Which countries are your products exported to?
Our products are sold all over the world and have related certifications.
8. How about the warranty?
All our products come with a one-year quality warranty. During the warranty period, spare parts replacement is free. We also provide lifelong technical support and other assistance.
9. How to install your machine?
We have paper installation instructions and videos, and we will teach until you learn it.
10. Which export port do you use?
Any China port, commonly we use Shanghai and Ningbo ports, which can be appointed as you like.
11. How about the payment terms and delivery time?
You can pay by T/T, L/C, or other ways. The small machine delivery time is within 7 days, while the larger one takes about 15 days. We will deliver the goods on time.
12. If I have paid but cannot receive the goods, what should I do?
Alibaba International is a famous trade platform and has been mature for years. Every supplier on it has paid a large integrity fund. We have Chinese business licenses that can be checked on the official Chinese website or shown to you. This situation will never occur, please be assured.
13. Does your product have ISO9001 or CE certificate?
Yes, all our products have a CE certificate. All machines are high-quality goods.
14. What is your company's nature: dealer or factory?
We are a manufacturer and have a big factory. We warmly welcome you to visit our factory and contact us.
Welcome to our company
Welcome to visit our factory in Yongkang City, Zhejiang Province, China. It is very close to Hangzhou and Shanghai. Just need 1 or 2 hours by high-speed train.
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Sample lead time | 1 or 2 days for clear samples. |
Production lead time | 10 to 15 days, depends on order quantity. |
Trade term | EXW, FOB, CIF, C&F, DDP |
Payment term | 30% deposit, balance to be paid before shipment. |
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