Electronic Component Mf225 Resistance Welding Transformer Sailton Brand Made in China
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Product Highlights
- High Efficiency Energy Conversion: Square wave AC 500V @ 1000Hz converted to low voltage high current for efficient welding.
- Superior Weld Quality: High frequency control allows 1000 cycles per second for constant strength and no splash.
- Compact and Lightweight Design: Smaller transformer size compared to traditional systems, ideal for portable and robotic guns.
- Integrated Diode Rectification: Built-in diode block converts AC to DC directly within the transformer structure.
- Balanced Power System: Operates at 0.9 power factor with balanced line current from all three phases.
- Customization from Samples: OEM service available with customization options based on customer samples.
- Fast Delivery Time: Standard delivery within 3-7 days for most orders.
Product Attributes
- Customization
- Available
- Cooling Way
- Water Cooling
- Control
- Semi-Automatic
- Model NO.
- MF225
- Style
- Vertical
- Welding Way
- Seam Welding
- Type
- Three-Phase Secondary Rectification Welder
- Welding Diode
- Welding Diode
- Price Term
- Fob/ CPT/ CIF
- Payment
- T/T
- Item
- Transformer
- Delivery
- 3-7 Days
- Quality
- Guaranteed
- Signal Processing
- Analog Digital Composite and Function
- Model No.
- Mf225
- Transport Package
- Carton Box
- Specification
- 400*300*200
- Trademark
- Sailton/Sti
- Origin
- China
- HS Code
- 8504339000
- Production Capacity
- 4500000
- Package Size
- 17.15cm * 15.10cm * 45.00cm
- 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.
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Product Description
Electronic Component Mf225 Resistance Welding Transformer Sailton Brand Made in China

( Prices are for reference only, please contact the salesperson for specific prices.)
Product Description
Application
For all kinds of intermediate frequency, power frequency resistance welding machine.Such as automobile welding clamp,
seam welding machine, mesh welding machine, and so on.
Brief introduction
Medium-frequency (MF) transformers are a result of recent advances in resistance welding technology.
They are powered by a transistor inverter, supplying square wave AC 500 V @ 1000 Hz which is converted by the MF transformer to a low voltage high current AC.
This low voltage AC current is rectified to DC by a diode block built into the transformer.
The higher operating frequency of an MF system allows efficient energy conversion using a smaller and lighter transformer.
Other benefits with MF transformers used in portable and robotic welding guns are:
The reactance of the welding loop only limits the upslope and downslope of the welding current.
While the peak welding current is limited only by the welding loop's resistance.
The net result is again a smaller transformer, especially when welding with the large throat, high-impedance guns.
MF welding is less demanding on the plant power system.
The MF inverter draws a balanced line current from all 3 phases and operates at a high power factor (0.9).
With MF transformers the peak welding current almost equals its RMS value, which helps to obtain quality welds with no splash and constant strength even at lower pressure.
The high frequency permits much faster - 1000 times per second - process control, which again results in better weld quality.
| TYPE | MF220 | |
| primary nominal voltage | V | 500 |
| frequency | Hz | 1000 |
| nominal power at 20%ED | kVA | 220 |
| nominal power at 50%ED | kVA | 150 |
| nominal power at 100%ED | kVA | 117 |
| secondary voltage | V | 13 |
| permanent DC current 100% | A | 9000 |
| Short circuit current | KA | 45 |
| turns ratio | N1 / N2 | 38:1 |
| weight | kg | 25 |
| temperatur switch | 2 x 150 °C, 1 x 70 °C Temperature switch | |
| insulation class | F (155 °C) | |
| Current measuring coil | . | |
| Size | mm | 160x125x318 |
| cooling water < 30°C | L/ min | 12 |
| pressure drop | Mpa | <0.1 |



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About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR236641". Items marked "" are certified.
Company Profile
SAILING COMMERCIAL (TIANJIN) Co., Ltd. Are one professional manufacturer agent and trading company. We are specialized in producing power semiconductors, resistance welding machine spare parts and providing industry furnace with parts and so on. Meantime we are striving to provide personalized solutions and perfect service for our clients. To achieving the common development of customer value and ours. In the industry of electrical control (high voltage switchgear cabinet, Static Var Compensator) we also concerned.
We are one leading power supplier of semiconductor devices and related products in China. Our history can be traced back to years ago. During the history, we have good relationship with some famous international and local companies. Now we are sailing again! We focus on teamwork, staff development, investing in research and quality control. Offering the best products and services to our customers are our ultimate goal all the time.
Younger team, responsible attitude, professional skill, passion work, strict quality control process and high standard service, which are promoting SAILING GROUP development fast. We got highly appreciated from more than 20 countries' clients with our own brand STI™ And SAILTON® , and OEM, customer-sized high quality products and services.
Our vision is to be the market leader and first rank exporter in the semiconductor devices industry. We will achieve this through hard work, determination and dedication.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- 411, Xingpin Building, Linke East Road, Hedong Dist, Tianjin, China
-
Plant Area
- 110 square meters
-
Number of Employees
- 6
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
- Peak Season Lead Time, within 15 workdays, Off Season Lead Time, within 15 workdays
-
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 5
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Thyristor, Water Cooling Power Cable, Welding Diode, Semiconductor Device, High Voltage Control Cabinet
-
Customization Options
- Customization from Samples
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-11-15
-
Export Year
- 6 years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the operating frequency of the transformer?
- The transformer operates at a frequency of 1000 Hz, providing square wave AC power.
- How is the welding current controlled?
- High frequency permits process control up to 1000 times per second for better weld quality.
- Is OEM service available for this product?
- Yes, OEM service is available with customization options from customer samples.
- What are the payment terms?
- Payment terms include T/T and LC (Letter of Credit).
- What is the minimum order quantity?
- The minimum order quantity is 5 units.
- What is the lead time for delivery?
- Delivery is typically within 3-7 days, with peak and off-peak lead times within 15 workdays.
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