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DG Series Single-phase Isolation Transformer, Copper Winding, NEMA 3R Metal Enclosure
Product Overview
The DG Series Single-phase Isolation Transformer is specially designed for single-phase power supply applications. Featuring high-quality copper winding and optional enclosure configurations, it effectively isolates electrical noise, suppresses voltage fluctuations, and delivers clean, stable power for sensitive equipment.
Both NEMA 3R metal enclosures and open-type structures are available to meet different installation environments and cooling requirements.
The series supports standard stock capacities from 2KVA to 30KVA, while larger capacities can be customized according to project requirements. It is widely used in laboratories, medical instruments, industrial automation systems, communication equipment, and other applications requiring a reliable and interference-free power supply.
Key Technical Parameters
| Item | Specification |
|---|---|
| Model | DG Series |
| Phase | Single Phase |
| Winding Material | 100% Copper |
| Input / Output Voltage | 220V (custom voltage available) |
| Voltage Accuracy | ±1% |
| Waveform Distortion | No additional waveform distortion |
| Voltage Regulation | ≤1.5% |
| Insulation Class | Class F |
| Dielectric Strength | 3000VAC / 1min |
| Efficiency | ≥99% |
| Design Service Life | 20 Years |
| Overload Capacity | 120% rated load allowable |
| Cooling Method | Dry-type air cooling |
| Temperature Rise | ≤60℃ |
| Neutral-to-Ground Voltage | ＜0.3V |
| Enclosure Options | NEMA 3R Metal Enclosure |
| Protection Features | Waterproof, dust-resistant, industrial protection |
| Available Capacity | 2-30KVA in stock, larger capacity customizable |
Product Features
Pure Copper Winding for Stable Performance
The transformer adopts 100% copper winding with excellent electrical conductivity, lower temperature rise, and higher efficiency, ensuring stable long-term operation and improved service life.
Benefits include:
Higher efficiency
Better overload capability
Lower power loss
Improved durability
Clean Power Isolation & Noise Suppression
The isolation structure effectively filters electrical interference and suppresses voltage fluctuations. Neutral-to-ground voltage can be controlled below 0.3V, providing clean and stable power for sensitive electronic equipment.
Suitable for:
Precision laboratory equipment
Medical testing devices
Industrial automation systems
Communication equipment
Multiple Structure Options for Different Applications
NEMA 3R Metal Enclosure
The optional NEMA 3R metal enclosure provides reliable protection against rain, dust, and outdoor environmental conditions, making it suitable for both indoor and outdoor industrial applications.
Features:
Weather-resistant structure
Durable metal housing
Industrial-grade protection
Long service life
LCD Digital Display & Real-Time Monitoring
Equipped with input/output LCD digital voltage meters and power indicator lights, allowing operators to monitor operating conditions clearly and conveniently.
Advantages:
Real-time voltage monitoring
Easy commissioning
Convenient onsite management
Efficient Cooling System
The enclosure is designed with multiple ventilation openings and cooling grilles combined with dry-type air cooling technology to ensure efficient heat dissipation during continuous operation.
Advantages:
Stable continuous operation
Lower internal temperature
Improved reliability
Easy Movement & Flexible Installation
The transformer is equipped with:
Four swivel casters
Portable handles
This design allows convenient transportation and flexible installation in workshops, laboratories, and industrial facilities.
Safety Protection Design
The unit includes multiple safety protection features:
Safety lock mechanism
High-voltage warning labels
Insulated internal structure
Durable protective enclosure
These features help improve operational safety and reduce maintenance risks.
Typical Applications
The DG Series Single-phase Isolation Transformer is widely used in:
Laboratory instruments
Medical equipment
Industrial control systems
Automation production lines
Imported single-phase equipment
Communication systems
Sensitive electronic equipment
Customization Service
We support customized solutions, including:
Input/output voltage
Capacity range
NEMA enclosure type
Open-type structure
Installation structure
Special industrial requirements
OEM and project-based customization are available.
Why Choose Weisho Electric?
2-30KVA regular stock available
Fast delivery support
Professional OEM customization
Strict factory quality control
Reliable industrial-grade performance
Technical support and after-sales service
Contact us today for quotations, technical support, or customized transformer solutions.
