Standard encapsulated transformer

Short Description:

The low-frequency potted transformer is a robust, epoxy-encapsulated power transformer designed for stable low-frequency power conversion and voltage transformation. Fully potted with high-quality epoxy resin, the product features excellent insulation performance, strong moisture-proof, dust-proof, and vibration-resistant capabilities, ensuring reliable and long-term operation in complex and harsh working environments. Adopting high-quality silicon steel sheets and high-purity copper windings, this transformer achieves low no-load loss, low temperature rise, and stable output performance. The integrated potting structure effectively reduces operating noise and improves electrical safety and dielectric strength. With a compact size, simple structure, and high operational stability, it is widely applicable for industrial equipment, household electrical appliances, power supply systems, and general low-frequency power transmission and distribution scenarios.ct Overview

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Product Detail

We can do OEM and Customized service

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Product Features

1. Superior Insulation & Environmental Durability

Fully encapsulated with high-grade epoxy resin, this transformer features excellent dielectric strength and tight sealing. It is moisture-proof, dust-proof, corrosion-resistant and vibration-resistant, effectively preventing leakage and short circuits for stable operation in harsh environments.

2. Low Loss & Stable Performance

Adopting high-quality silicon steel sheets and pure copper windings, the transformer achieves low no-load current, low iron loss and low temperature rise. It ensures stable voltage conversion, low operating noise and long-term reliable power supply for low-frequency systems.

3. High Safety & Long Service Life

Integrated epoxy potting firmly fixes internal cores and windings to avoid loosening from vibration. The all-in-one insulation structure prevents insulation breakdown and aging failure, greatly improving operational safety and durability.

4. Compact Design & Versatile Application

Lightweight and compact in structure, this transformer is easy to install with no extra protective housing required. It is widely applicable for home appliances, industrial control and power distribution low-frequency transformation scenarios.

OEM & ODM Available

Customized electrical specifications, dimensions, pins, insulation class and labels are supported.

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Technical Specifications

Product Advantages

Why Choose Vacuum Potting Transformers?

Compared with conventional non-potted transformers, vacuum potting technology provides significant performance advantages.
✔ Superior electrical insulation
✔ Excellent heat conduction
✔ Moisture and dust protection
✔ Shock and vibration resistance
✔ Flame retardant protection
✔ Improved mechanical strength
✔ Low acoustic noise
✔ Stable inductance
✔ Better long-term reliability
✔ Suitable for harsh industrial environments

Application Scope

This low-frequency potted transformer is widely used for low-voltage power conversion and isolation. It is suitable for household electrical appliances, industrial control equipment, instrumentation, communication power supplies, lighting systems and civil low-frequency power distribution equipment. With strong environmental adaptability, it can work stably in indoor, sealed and slightly harsh working scenarios.

Primary Winding

Secondary Winding

Auxiliary Winding

NC Pins

Customized pin configuration is available according to customer requirements.

Manufacturing Quality & Premium Process

1. Standardized Production Process Adopting standardized winding, core assembly and full encapsulation processes, each transformer is strictly manufactured in accordance with industrial quality standards. Consistent production procedures effectively reduce product differences and ensure stable batch quality.

2. Strict Quality Inspection All finished products undergo rigorous testing including insulation resistance, withstand voltage, no-load performance and temperature rise. Defective products are fully screened out to guarantee qualified and reliable finished goods for delivery.

3. Fine Material Selection Matched with high-purity copper wires and high-quality low-loss silicon steel sheets, paired with high-insulation epoxy resin potting materials, the product maintains excellent electrical performance and structural stability for long-term operation.

Low Frequency Encapsulated Transformer Materials - High Quality Materials

1. High-Quality Low-Loss Silicon Steel Sheet Adopts premium black oxide silicon steel sheets with low no-load current and low iron loss. It effectively reduces core heat and operating noise, ensuring stable and efficient long-term operation of the transformer.

2. Pure Copper Enameled Wire Uses high-purity copper windings with good electrical conductivity and low resistance loss. It delivers stable current transmission, excellent temperature resistance and longer service life.

3. High-Insulation Epoxy Resin Adopts high-grade potting epoxy resin with outstanding insulation, sealing and anti-aging properties. It provides full protection against moisture, dust and vibration, greatly improving product safety and environmental adaptability.