Web Menu

Product Search

Language

Share

Low Frequency Potting Transformer Manufacturer
Home / Products / Low frequency transformer / Potting Transformer
Potting Transformer

Potting Transformer

Potting Transformer is a high-performance transformer launched by Ningbo Chuangbiao Electronic Technology Co., Ltd., designed for industrial automation, power control and precision instruments. The transformer adopts a unique casting process (Potting). On the basis of the EI core structure, it is insulated by pouring resin to ensure that the product has excellent electrical performance and mechanical strength. Potting Transformer is suitable for various power systems that require high reliability and stability, especially for occasions with strong anti-interference ability and long-term efficient operation.

Materials and Construction

  1. Copper enameled wire: strong, ductile and stable, so the windings stay in good condition before and after being sealed in resin.
  2. Silicon steel laminations: high magnetic induction and low core loss for efficient conversion inside the potted block.
  3. Steel mounting bracket (iron bridge): new steel for a firm, long-lasting fixing point.
  4. Potting resin: cast around the core and windings to add insulation, mechanical strength, and protection against vibration and moisture.
Contact usNingbo Chuangbiao Electronic Technology Co., Ltd.
PREV：Air Conditioner TransformerNEXT：Pin Type Transformer
  • 01Detail
  • 02More Specifications
Return

Applications

  • Public utility and commercial equipment
  • Industrial and factory equipment
  • Home appliances
  • Production lines and automated packaging lines

Specification

Item Specification
Type Potting transformer (resin-cast), single-phase, low frequency
Core EI laminated silicon-steel core
Winding Double winding, copper wire
Moisture protection Potted (resin-cast)
Mounting Horizontal, vertical on request
Rated power 1 W – 300 W, customizable
Input voltage 100 – 400 V, customizable
Output voltage 5 – 400 V, customizable
Customization Voltage, taps, terminals, mounting, drawings or samples
Rated Power (W) EI Core A Length (mm) B Width (mm) C Height (mm) D Stack (mm) E Hole Spacing (mm) F Overall Length (mm) Weight (kg)
1 EI 28×13 30 25 27 13 42 52 0.06
2 EI 35×15 37 33 32 17 47 58 0.12
3 EI 41×17 43 36 36 18 54 64 0.18
5 EI 41×20 43 41 36 22 56 67 0.22
8 EI 48×18 50 40 44 21 61 75 0.30
10 EI 48×24 50 45 44 26 61 74 0.36
12 EI 48×26 50 50 44 26 61 74 0.40
15 EI 57×25 60 51 51 27 72 75 0.52
20 EI 57×30 60 56 51 32 72 88 0.62
25 EI 57×35 60 61 51 37 72 90 0.82
30 EI 66×32 69 58 58 35 82 96 0.96
40 EI 66×32 69 58 58 35 82 96 0.96
50 EI 66×36 69 61 58 40 82 100 1.05
80 EI 76×42 79 69 68 45 96×18.5 109 1.56
100 EI 86×43 89 74 75 47 102×18.5 118 2.08
200 EI 96×45 96 86 81 45 79×69 96 2.66
300 EI 96×60 96 100 81 60 79×84 96 3.41
Certificate Of Honor
  • Product certification
  • Certificate
  • CE
  • LTC
  • RoHS

Related Products

Get in Touch

Your name*

Your e-mail*

Your message*

{$config.cms_name} submit
Group
Ningbo Chuangbiao Electronic Technology Co., Ltd.

Ningbo Chuangbiao Electronic Technology is a professional manufacturer of all kinds of electronic transformers. The company was founded in 2010.

As a professional Custom Low Frequency Potting Transformer Manufacturer and Potting Transformer supplier, At present, the company has formed the EI transformer as the feature, and produces all kinds of ring transformers, C power transformers, medical transformers, audio transformers, high voltage transformers, industrial control transformers, anti-shock, reactors, high frequency transformers and other products. The company has a complete organizational structure to provide the entire process from design, procurement, manufacturing, quality assurance, logistics, sales and customer service.

We select materials from approved high quality suppliers in accordance with ISO9001 standards, our employees are specially trained and use today's most advanced technology including CNC machines and automated testing systems, and every transformer we manufacture passes comprehensive quality inspection and testing before leaving the factory.

We have a strong technical development team, members have more than seven years of product development and production and quality assurance experience, in the industry has a certain reputation and influence, we have been committed to provide customers with the most extensive services, including comprehensive technical advice.

The company has passed ISO9001 quality system certification, CQC product quality certification, ROHS environmental protection certification, etc. The company's integrity, strength and product quality have been recognized by the industry.

Ningbo Chuangbiao Electronic Technology is located in Zhejiang Hangzhou Bay Bridge, welcome friends from all walks of life to visit, guidance and business negotiations.

News&Events
Potting Transformer Industry knowledge

The Potting Transformer is a resin-cast EI-core transformer built by Ningbo Chuangbiao Electronic Technology Co., Ltd. for industrial automation, power control, and precision instrument applications that need reliability under vibration, heat, and electrical interference. As a transformer factory that runs its low-frequency transformer factory around EI-based construction, Ningbo Chuangbiao Electronic Technology Co., Ltd. adds a casting process on top of the standard EI core so this product line can serve as an EI transformer factory offering for power systems requiring long-term stable operation. This article walks through how the potting process is built, what it changes about performance, and where Ningbo Chuangbiao Electronic Technology Co., Ltd. positions this transformer for industrial buyers.

How the Potting Casting Process Is Built

Ningbo Chuangbiao Electronic Technology Co., Ltd. builds the Potting Transformer on a unique casting process, known as potting, applied on top of the EI core structure. High-quality resin is cast around the core components, which adds insulation protection and increases mechanical strength beyond what an uncast EI unit offers. This is the step that lets the transformer factory promise stable performance in high vibration or high temperature environments, since the resin block reduces how much the external environment can affect the internal components.

1

EI Core Assembly

The transformer starts from the classic EI core structure used across the Ningbo Chuangbiao Electronic Technology Co., Ltd. product line.

2

Resin Casting

High-quality resin is cast around the core components, adding insulation protection and mechanical strength.

3

Solid Potted Block

The cured resin block reduces the impact of the external environment on the transformer and extends service life.

EI Core Efficiency Paired With Casting-Level Isolation

The Potting Transformer retains the classic EI core design, which optimizes magnetic flux density and improves energy efficiency and conversion efficiency. This structure lets the unit maintain stable voltage output under load fluctuations while effectively reducing energy loss. Layered on top of that, the transformer provides electrical isolation through both the EI-type design and the casting process together, which is what effectively prevents electrical noise and interference from disrupting operation in a complex power environment.

EI Core Performance

  • Optimizes magnetic flux density
  • Improves energy efficiency and conversion efficiency
  • Maintains stable voltage output under load fluctuations
  • Reduces energy loss

Casting-Level Isolation

  • Combines EI-type design with the casting process
  • Prevents electrical noise and interference
  • Ensures stable operation in complex power environments
  • Protects sensitive equipment from external interference

Environmental and Mechanical Resistance

The casting resin material used by Ningbo Chuangbiao Electronic Technology Co., Ltd. on the Potting Transformer has high temperature and corrosion resistance, letting the unit work stably in high temperature and humid environments. That same durability is what allows the transformer to adapt to harsh environments while extending the service life of the equipment it powers. The potting process and EI-type design together also keep the appearance compact, so the transformer factory can deliver reliable power conversion in a limited installation space.

  • checkWithstands high vibration without loss of performance
  • checkResists high temperature operating conditions
  • checkResists corrosion in humid environments
  • checkCompact footprint for space-limited installations

Quality Control and Certification

Every Potting Transformer undergoes strict quality inspection and meets the requirements of the ISO 9001 quality management system to ensure product stability and reliability. All units have also passed ROHS environmental protection certification, meeting international environmental protection standards for buyers exporting or importing under those requirements.

ISO 9001
ROHS

Application Scenarios

Ningbo Chuangbiao Electronic Technology Co., Ltd. positions the Potting Transformer for applications with strict requirements on electrical performance and reliability. It is widely used in industrial automation, power control, medical equipment, communication systems, and precision instruments, and it is particularly suited to environments with high electromagnetic interference and large vibration.

Setting
Why the Potting Transformer Fits
PLC control systems
High electromagnetic interference environment needing casting-level isolation
Automated production lines
Long-term stable operation with vibration exposure
Robot control
Compact, high-power output in limited installation space
Medical equipment and communication systems
Strict requirements on electrical performance and reliability

About Ningbo Chuangbiao Electronic Technology Co., Ltd.

Ningbo Chuangbiao Electronic Technology Co., Ltd. designs and manufactures the Potting Transformer as part of its wider low-frequency transformer factory output, alongside other EI-based products built on the same core technology. Buyers working with Ningbo Chuangbiao Electronic Technology Co., Ltd. on a Potting Transformer order are working with a transformer factory that applies the same ISO 9001-aligned inspection process and ROHS compliance across the potting line, so the casting process, core efficiency, and certification coverage described above apply consistently across production batches from this low frequency factory.

Frequently Asked Questions

plus

What does potting mean on this transformer

Potting refers to a casting process where high-quality resin is cast around the core components, adding insulation protection and mechanical strength beyond an uncast EI transformer.

plus

Does the resin casting help with vibration or heat exposure

Yes, the potting process allows the transformer to work stably in high vibration or high temperature environments by reducing the impact of the external environment on the internal components.

plus

Is the Potting Transformer suitable for humid or corrosive environments

The casting resin material has high temperature and corrosion resistance and can work stably in high temperature and humid environments.

plus

What kind of installation space does the Potting Transformer suit

Its compact appearance from the potting process and EI-type design provides reliable power conversion in a limited space, which fits applications with limited space but high power requirements.

plus

Which certifications does the Potting Transformer carry

Each unit meets ISO 9001 quality management system requirements and has passed ROHS environmental protection certification.

plus

How is the Potting Transformer different from a standard EI transformer

It keeps the classic EI core design but adds a resin casting step around the core components, which is what raises mechanical strength and isolation performance beyond a standard uncast EI unit.