Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer
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Product Attributes
- Customization
- Available
- Application
- Power, Electronic, Instrument, Lighting, Rectifier, Audio
- Phase
- Single
- Model NO.
- 20W
- Core
- Core-type Transformer
- Cooling Method
- Dry-type Transformer
- Winding Type
- Multi-winding Transformer
- Certification
- ISO9001
- Usage
- Single-phase Transformer
- Frequency Characteristics
- Low Frequency
- Shape of Core
- Ring
- Operating Temperature
- -40ºCTO +125ºC
- Storage Temperature
- -25ºCTO+85ºC
- Customize
- Yes
- Type
- Ei/Toroidal
- Installation Method
- Vertical/Horizontal/with a Base/with a Cover
- Transport Package
- Export Standard Carton and Strong Pallet
- Specification
- Toroidal Low Frequency Transformer
- Origin
- Zhejiang
- Production Capacity
- 200000 PCS/Month
- Package Size
- 12.00cm * 12.00cm * 8.00cm
- Package Gross Weight
- 2.000kg
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 Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer
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Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer -
Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer -
Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer -
Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer -
Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer -
Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer -
Wholesale 2kw 3000W 5kVA Dry Type 28V 100V 400V Toroidal Transformer
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Product Description
Please click bellow CONTACT US image for more information and quotation.
Specification | Output Power | Size(unit:mm) | Install PIC | |||||
A | B | C | D | E | F | |||
EI-28x11.5 | 0.3VA-1.8VA | 29. 5 | 40.0 | 49.0 | 25.4 | 27.0 | Φ3.5x5.0 | A |
27.0 | 38.0 | 46.5 | 25.4 | 30.0 | Φ3.5x5.0 | B | ||
EI-35x11.5 | 0.8VA-2.1VA | 36.5 | 45.0 | 63.0 | 29.8 | 31.5 | Φ3.5x5.0 | A |
31.5 | 40.0 | 58.0 | 29.8 | 37.0 | Φ3.5x5.0 | B | ||
El-35x13.5 | 1.0VA-2.7VA | 36.7 | 45.0 | 55.0 | 33.2 | 31.7 | Φ3.5x5.0 | A |
31.0 | 40.0 | 50.0 | 33.2 | 37.3 | Φ3.5x5.0 | B | ||
El-35x15.5 | 1.5VA-3.5VA | 37.0 | 46.0 | 55.0 | 34.2 | 33.0 | Φ3.5x6.5 | A |
31.0 | 40.0 | 50.0 | 34.2 | 37.5 | Φ3.5x6.5 | B | ||
El-35x17.5 | 2.5VA-4.5VA | 37.0 | 46.0 | 55.0 | 36.5 | 33.0 | Φ3.5x6.5 | A |
31.0 | 40.0 | 50.0 | 36.5 | 37.5 | Φ3.5x6.5 | B | ||
El-41x16.5 | 2.0VA-4.5VA | 42.7 | 53.0 | 62.0 | 36.5 | 36.0 | Φ4.0x6.5 | A |
35.0 | 46.0 | 55.0 | 36.5 | 43.2 | Φ4.0x6.5 | B | ||
El-41x20.5 | 3.0VA-6.0VA | 42.7 | 52.5 | 62.5 | 41.2 | 35.5 | Φ4.0x6.5 | A |
34.5 | 46.0 | 56.0 | 41.2 | 43.0 | Φ4.0x6.5 | B | ||
El-41x24.5 | 5.0VA-8.5VA | 42.7 | 53.0 | 62.3 | 49.0 | 36.0 | Φ4.0x6.5 | A |
34.5 | 46.0 | 57.0 | 49.0 | 43.0 | Φ4.0x6.5 | B | ||
El-41x26.5 | 6.0VA-10.0VA | 42.7 | 53.0 | 62.3 | 52.0 | 36.0 | Φ4.0x6.5 | A |
34.5 | 46.0 | 57.0 | 52.0 | 43.2 | Φ4.0x6.5 | B | ||
El-48x20.5 | 6.0VA-10.0VA | 49.7 | 61.0 | 69.5 | 40.0 | 43.5 | Φ4.0x7.5 | A |
42.0 | 53.0 | 63.5 | 40.0 | 51.0 | Φ4.0x7.5 | B | ||
El-48x25.5 | 10.0VA-15.0VA | 50.0 | 61.0 | 70.0 | 42.0 | 44.0 | Φ4.0x7.0 | A |
42.0 | 53.0 | 63.5 | 42.0 | 51.0 | Φ4.0x7.0 | B | ||
El-48x30.0 | 14.0VA-20.0VA | 49.7 | 61.0 | 73.0 | 54.4 | 43.5 | Φ4.0x7.0 | A |
42.0 | 53.0 | 63.0 | 54.4 | 51.0 | Φ4.0x7.0 | B | ||
El-48x35.0 | 16.0VA-25.0VA | 50.0 | 61.0 | 74.0 | 58.5 | 43.8 | Φ4.0x7.0 | A |
42.0 | 53.0 | 65.0 | 58.5 | 51.0 | Φ4.0x7.0 | B | ||
El-54x24.0 | 12.0VA-17.0VA | 56.0 | 72.0 | 86.6 | 49.4 | 46.8 | Φ4.0x7.0 | A |
45.0 | 62.0 | 75.6 | 49.4 | 58.0 | Φ4.0x7.0 | B | ||
El-54x28.0 | 18.0VA-25.0VA | 56.0 | 72.0 | 86.0 | 49.4 | 48.5 | Φ4.0x7.0 | A |
45.0 | 62.0 | 76.0 | 49.4 | 58.0 | Φ4.0x7.0 | B | ||
El-54x30.0 | 20.0VA-27.0VA | 56.0 | 72.0 | 86.2 | 49.8 | 47.0 | Φ4.0x7.0 | A |
45.0 | 62.0 | 76.0 | 49.8 | 58.0 | Φ4.0x7.0 | B | ||
El-57x19.0 | 8.0VA-12.0VA | 59.0 | 71.0 | 83.5 | 41.0 | 50.5 | Φ5.0x8.0 | A |
50.0 | 62.0 | 77.6 | 41.0 | 61.0 | Φ5.0x8.0 | B | ||
El-57x24.5 | 12.0VA-20.0VA | 59.5 | 71.0 | 85.6 | 49.8 | 49.6 | Φ5.0x8.0 | A |
50.1 | 62.0 | 73.5 | 49.8 | 61.0 | Φ5.0x8.0 | B | ||
El-57x30.0 | El-57x30.0 | 59.0 | 71.0 | 85.6 | 52.7 | 50.4 | Φ5.0x8.0 | A |
49.9 | 62.0 | 77.6 | 52.7 | 60.0 | Φ5.0x8.0 | B | ||
El-57x35.0 | 30.0VA-38.0VA | 59.5 | 71.0 | 83.5 | 59.0 | 52.0 | Φ5.0x8.0 | A |
49.8 | 62.0 | 73.5 | 59.0 | 61.0 | Φ5.0x8.0 | B | ||
El-57x40.0 | 33.0VA-43.0VA | 59.5 | 71.0 | 83.5 | 64.0 | 52.0 | Φ5.0x8.0 | A |
49.8 | 62.0 | 73.5 | 64.0 | 61.0 | Φ5.0x8.0 | B | ||
EI-60x25.0 | 16.0VA-22.0VA | 62.2 | 72.0 | 83.0 | 50.0 | 53.0 | Φ5.0x8.0 | A |
51.0 | 62.0 | 74.5 | 50.0 | 63.3 | Φ5.0x8.0 | B | ||
El-60x30.0 | 22.0VA-33.0VA | 62.2 | 72.0 | 84.0 | 53.0 | 54.2 | Φ5.0x8.0 | A |
51.5 | 62.0 | 75.0 | 53.0 | 63.5 | Φ5.0x8.0 | B | ||
El-66x28.0 | 22.0VA-30.0VA | 68.2 | 82.0 | 98.0 | 56.0 | 58.3 | Φ5.0x8.0 | A |
58.0 | 71.0 | 83.6 | 56.0 | 70.4 | Φ5.0x8.0 | B | ||
El-66x32.0 | 33.0VA-40.0VA | 68.2 | 82.0 | 94.3 | 60.0 | 58.3 | Φ5.0x8.0 | A |
58.1 | 71.0 | 84.0 | 60.0 | 70.0 | Φ5.0x8.0 | B | ||
El-66x36.0 | 40.0VA-55.0VA | 68.2 | 82.0 | 98.5 | 65.0 | 57.8 | Φ5.0x8.0 | A |
58.0 | 71.0 | 83.5 | 65.0 | 71.0 | Φ5.0x8.0 | B | ||
El-66x40.0 | 55.0VA-65.0VA | 68.2 | 81.0 | 94.0 | 75.0 | 58.0 | Φ5.0x8.0 | A |
58.0 | 72.0 | 83.5 | 75.0 | 71.0 | Φ5.0x8.0 | B | ||
El-66x45.0 | 65.0VA-80.0VA | 68.2 | 82.0 | 93.0 | 80.0 | 58.0 | Φ5.0x8.0 | A |
58.1 | 71.0 | 82.5 | 80.0 | 72.0 | Φ5.0x8.0 | B | ||
El-76x35.0 | 35.0VA-65.0VA | 78.5 | 90.0 | 101.0 | 65.0 | 67.5 | Φ5.0x8.0 | A |
66.5 | 81.0 | 95.0 | 50.0 | 80.5 | Φ5.0x8.0 | B | ||
El-76x40.0 | 55.0VA-80.0VA | 79.0 | 92.0 | 104.0 | 70.0 | 66.9 | Φ5.0x8.0 | A |
66.5 | 81.0 | 95.0 | 70.0 | 81.0 | Φ5.0x8.0 | B | ||
El-76x42.5 | 70.0VA-100.0VA | 79.0 | 92.0 | 105.0 | 75.0 | 68.0 | Φ5.0x8.0 | A |
66.5 | 81.0 | 95.0 | 75.0 | 81.0 | Φ5.0x8.0 | B |
Specification | Output power | Size(unit:mm) | Install PIC | ||||||
A | B1 | B2 | C | D | E | F | |||
EI-76x56.0 | 90.0VA-150VA | 76.0 | 64.0 | 74.0 | 86.0 | 95.0 | 69.0 | Φ5.0x8.0 | C |
63.5 | 50.5 | 74.0 | 86.0 | 95.0 | 78.0 | Φ5.0x8.0 | D | ||
EI-76x66.0 | 120VA-190VA | 76.0 | 64.0 | 84.0 | 96.0 | 105.0 | 69.0 | Φ5.0x8.0 | C |
63.5 | 50.5 | 84.0 | 96.0 | 105.0 | 78.0 | Φ5.0x8.0 | D | ||
EI-86x43.0 | 70.0VA-120VA | 86.0 | 71.0 | 68.0 | 83.0 | 75.0 | 71.5 | Φ5.0x8.0 | C |
71.5 | 57.0 | 68.0 | 83.0 | 75.0 | 87.0 | Φ5.0x8.0 | D | ||
EI-86x45.0 | 110VA-150VA | 86.0 | 71.0 | 70.0 | 85.0 | 80.0 | 72.0 | Φ5.0x8.0 | C |
71.5 | 57.0 | 70.0 | 85.0 | 80.0 | 87.0 | Φ5.0x8.0 | D | ||
EI-86x55.0 | 130VA-200VA | 86.0 | 71.0 | 80.0 | 95.0 | 85.0 | 73.0 | Φ5.0x8.0 | C |
71.5 | 57.0 | 80.0 | 95.0 | 85.0 | 88.0 | Φ5.0x8.0 | D | ||
EI-96x32.0 | 55VA-80VA | 96.0 | 80.0 | 57.0 | 72.0 | 55.0 | 82.0 | Φ5.0x8.0 | C |
80.0 | 64.0 | 57.0 | 72.0 | 55.0 | 96.5 | Φ5.0x8.0 | D | ||
EI-96x40.0 | 100VA-150VA | 96.0 | 80.0 | 65.0 | 80.0 | 65.0 | 82.0 | Φ5.0x8.0 | C |
80.0 | 64.0 | 65.0 | 80.0 | 65.0 | 96.5 | Φ5.0x8.0 | D | ||
EI-96x45.0 | 130VA-180VA | 96.0 | 80.0 | 70.0 | 85.0 | 70.0 | 82.0 | Φ5.0x8.0 | C |
80.0 | 64.0 | 70.0 | 85.0 | 70.0 | 96.5 | Φ5.0x8.0 | D | ||
EI-96x50.0 | 160VA-220VA | 96.0 | 80.0 | 75.0 | 90.0 | 75.0 | 82.0 | Φ5.0x8.0 | C |
80.0 | 64.0 | 75.0 | 90.0 | 75.0 | 96.5 | Φ5.0x8.0 | D | ||
EI-96x56.0 | 200VA-250VA | 96.0 | 80.0 | 82.0 | 97.0 | 82.0 | 82.0 | Φ5.0x8.0 | C |
80.0 | 64.0 | 82.0 | 97.0 | 82.0 | 96.5 | Φ5.0x8.0 | D | ||
EI-105x38.0 | 90.0VA-130VA | 105.0 | 87.5 | 56.0 | 68.0 | 63.0 | 91.0 | Φ5.0x10.0 | C |
87.5 | 70 | 56.0 | 68.0 | 63.0 | 105.0 | Φ5.0x10.0 | D | ||
El-105x56.0 | 130VA-280VA | 105.0 | 87.5 | 74.0 | 86.0 | 81.0 | 91.0 | Φ5.0x10.0 | C |
87.5 | 70 | 74.0 | 86.0 | 81.0 | 105.0 | Φ5.0x10.0 | D | ||
EI-114x50.0 | 200VA-260VA | 114.0 | 95.0 | 78.0 | 94.0 | 90.0 | 96.0 | Φ5.0x10.0 | C |
96.0 | 77.0 | 78.0 | 94.0 | 90.0 | 114.0 | Φ5.0x10.0 | D | ||
El-114x60.0 | 250VA-360VA | 114.0 | 95.0 | 88.0 | 104.0 | 110.0 | 96.0 | Φ5.0x10.0 | C |
96.0 | 77.0 | 88.0 | 104.0 | 110.0 | 114.0 | Φ5.0x10.0 | D | ||
EI-114x70.0 | 350VA-500VA | 114.0 | 95.0 | 98.5 | 114.5 | 120.0 | 96.0 | Φ5.0x10.0 | C |
96.0 | 77.0 | 98.5 | 114.5 | 120.0 | 114.0 | Φ5.0x10.0 | D | ||
EI-133x50.0 | 250VA-360VA | 133 | 111 | 75 | 100 | 105 | 111 | Φ5.0x10.0 | C |
111 | 89 | 75 | 100 | 105 | 133 | Φ5.0x10.0 | D | ||
EI-133x60.0 | 300VA-600VA | 133 | 111 | 85 | 110 | 115 | 111 | Φ5.0x10.0 | C |
111 | 89 | 85 | 110 | 115 | 133 | Φ5.0x10.0 | D | ||
EI-133x70.0 | 500VA-800VA | 133 | 111 | 95 | 120 | 120 | 111 | Φ5.0x10.0 | C |
111 | 89 | 95 | 120 | 120 | 133 | Φ5.0x10.0 | D | ||
EI-152x50.0 | 400VA-600VA | 152 | 127 | 82 | 110 | 113 | 127 | Φ6.0x15.0 | C |
127 | 102 | 82 | 110 | 113 | 152 | Φ6.0x15.0 | D | ||
El-152x60.0 | 500VA-800VA | 152 | 127 | 92 | 120 | 123 | 127 | Φ6.0x15.0 | C |
127 | 102 | 92 | 120 | 123 | 152 | Φ6.0x15.0 | D | ||
El-152x70.0 | 700VA-1000VA | 152 | 127 | 102 | 130 | 133 | 127 | Φ6.0x15.0 | C |
127 | 102 | 102 | 130 | 133 | 152 | Φ6.0x15.0 | D | ||
El-162x50.0 | 500VA-700VA | 162 | 135 | 84 | 113 | 115 | 135 | Φ6.0x18.0 | C |
135 | 108 | 84 | 113 | 115 | 162 | Φ6.0x18.0 | D | ||
El-162x60.0 | 700VA-900VA | 162 | 135 | 94 | 123 | 125 | 135 | Φ6.0x18.0 | C |
135 | 108 | 94 | 123 | 125 | 162 | Φ6.0x18.0 | D | ||
El-162x70.0 | 800VA-1200VA | 162 | 135 | 104 | 130 | 133 | 135 | Φ6.0x18.0 | C |
135 | 108 | 104 | 130 | 133 | 162 | Φ6.0x18.0 | D | ||
El-162x85.0 | 1000VA-1800VA | 162 | 135 | 120 | 145 | 150 | 135 | Φ6.0x18.0 | C |
135 | 108 | 120 | 145 | 150 | 162 | Φ6.0x18.0 | C | ||
El-162x90.0 | 1600VA-2000VA | 162 | 135 | 125 | 150 | 155 | 135 | Φ6.0x18.0 | D |
135 | 108 | 125 | 150 | 155 | 162 | Φ6.0x18.0 | C |
Please click bellow CONTACT US image for more information and quotation.
Specification
Ⅰ. Specifications and Selection
1 Q: We need a 220V to 12V step down transformer. What specifications will be needed for production?
A: Please provide the following key parameters, the more detailed the better:
Input Voltage (Primary Voltage): For example, AC 220V. Is there an allowable fluctuation range (e.g. ±10%)?
Output Voltage and Current (Secondary Voltage & Current): For example, AC 12V, what current (A) or power (VA/W) is needed? If there are multiple output groups, please list the voltage current of each group.
Rated Power (Rated Power): The unit is VA (volt-ampere) or W (watt). This is one the most important parameters, determining the transformer's load-carrying capacity.
Frequency (Frequency): 50Hz or 60Hz?
Construction (Construction): Is it toroidal, EI type (frame-type), or R-type? Is there a special installation method (such vertical, horizontal, with a base, with a cover)?
Insulation Grade (Insulation Class): For example, Class A (105°C), Class (120°C), Class B (130°C), which is related to the transformer's heat resistance and lifespan.
2. Q: What is the difference between the power unit VA and W? How should I choose?
A: For purely resistive loads (such light bulbs, heating tubes), VA ≈ W. For inductive or capacitive loads (such as motors, appliances), W (real power) < VA ( power). To ensure safety, please select according to the apparent power (VA) of the load and leave a margin of 20%-30%. For example, 100W motor, it is recommended to choose a transformer of 120VA-150VA.
3. Q: Toroidal transformer or traditional EI transformer, which one should I choose?
A: The main differences are as follows, please choose according your priorities:
Characteristics | Toroidal transformer | EI Transformer |
Efficiency | High (no air gap in magnetic circuit) | Lower |
Leakage Magnetism/ Interference | Very little (magnetic field enclosed) | Larger |
Volume and Weight | Smaller and lighter (for the same power) | Larger and heavier |
Production Process | More complex | Mature and simple, easy to maintain |
Application Scenarios | High-end audio, precision instruments occasions with high EMI requirements | General industrial equipment, conventional power supplies, cost-sensitive applications |
Cost | Higher | Lower, cost-effective |
Please click bellow CONTACT US image for more information and quotation.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI2431790". Items marked "
" are certified.
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Company Profile
HANGZHOU UDWELLS TECHNOLOGY CO. Ltd. was founded in 2008, self-built plant area of more than 15000 square meters, strong scientific and technological force, advanced, production equipment, complete testing facilities, reliable product quality. With the business philosophy of "pursuing excellence, become Intelligent company of Continuous innovation", we are constantly innovating and developing at a high speed. In Our company Quality is our core competence. With deep understanding of properties of the respective of raw materials, all raw materials of products are supplied with the material number, per lot of the production can be traced, ISO 9001/2015, CE, TUV, UL, RoHS, REACH also available for every of our customers. This makes our market competitiveness rapidly increase, and more and more high quality customers choose and trust us. We mainly produce electronic equipment such as transformers, LED drive power supplies and intelligent charging plug. Which are mainly used for household appliances, communication equipment, energy-saving lamps, automation control devices (such as inverters), power equipment and facilities. Our products are exported to Europe, the United States and Southeast Asia.
Factory′ S quality policy: "product quality, service in advance, customer satisfaction".
Environmental policy: "to comply with laws and regulations, pollution prevention, environmental awareness, continuous improvement of the environment"
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Room 2412, Building 9, Ideal Yintai City, Nanyuan Street, Linping District, Hangzhou, Zhejiang, China
-
Plant Area
- 80 square meters
-
Number of Employees
- 3
-
Registered Capital
- 500,000 RMB
-
Terms of Payment
- T/T
-
International Commercial Terms(Incoterms)
- FOB, EXW, CIF
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Shanghai Port, Ningbo Port
-
Minimum Order Quantity
- 2000 Pcs
-
Supply Chain Partners
- 5
Our Production Capability & Technical Expertise
-
Main Products
- LED Driver, Transformer
-
Production Lines
- 27
-
Production Machines
- PCBA Line, Assembling Line, Winding Machine
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Flexible customization, Minor Customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2021-11-11
-
Export Year
- 3 Years
-
Main Markets
- Europe
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
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