Three Phase SG Isolation Transformer
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Three Phase SG Isolation Transformer

three phase sg isolation transformer provides electrical isolation between the primary (input) and secondary (output) circuits to enhance safety, reduce electrical noise, and protect sensitive equipment.
Model: SG
Rated Power: Client to specify
Input Voltage: Client to specify
Output Voltage: Client to specify
MOQ: 1 Set/Piece
OEM & ODM Service: Available
Brand: Noyark
Packaging: Plywood Case
Payment Methods: T/T, L/C, Western Union, Credit Card
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Product Introduction

Specifications

Type Dry Type Transformer
General Purpose Transformer
Vacuum Pressure Impregnated Transformer
Isolation Transformer
Rated Power Client to specify Display Analog Voltmeter
Input Voltage Client to specify Input Current Rated Power*Input Voltage/240/1.732
Input Connection Star (Wye) or Delta
Cooling
AN or AF
Output Voltage Client to specify
Output Current
Rated Power*1000/Output Voltage/1.732
Output Connection Star (Wye) or Delta Insulation Resistance ≥500MΩ @ 1000V DC
Vector Group Yyn0, Dyn11, etc Dielectric Strength 3000V AC
Phase Number 3 K Factor N/A
Working Frequency 50/60Hz
Altitude
≤1000m
Winding Material Aluminum (copper optional)
Relative Humidity
≤95% (non-condensing)
Insulation Class F (H optional)
Ambient Temperature
-15℃ to +45℃
Impedance 4% Protection Degree IP20 (IP00, IP44 and above optional)
Efficiency ≥98% Installation Indoor (outdoor optional), floor mounted
Duty Cycle
Continuous
Standard
IEC 60076-11

*Specifications subject to change without prior notice.

*Specifications subject to vary for models with different configurations.

 

Functions         

1. Enhanced Safety

By creating a "floating" output circuit that is not referenced to earth ground, isolation transformer drastically reduces the risk of electric shock. This is especially crucial during maintenance or in sensitive environments like hospitals.

2. Noise Reduction

The physical separation of primary and secondary windings, often enhanced with an electrostatic (Faraday) shield, helps block the transfer of high-frequency noise, spikes, and transient voltages from the power line to the connected device.

3. Ground Loop Elimination

Isolated transformer breaks unwanted current paths caused by ground potential differences between different pieces of equipment, which helps eliminate hum in audio systems and data errors in networking gear.

4. Equipment Protection

Isolating transformer acts as a buffer against power surges and voltage spikes, thus extending the lifespan of valuable and sensitive electronic equipment such as computers, lab instruments, and industrial controls.

5. Harmonic Correction

In systems with non-linear loads (like computers), insulation transformers can help mitigate harmonic distortion, leading to cleaner and more stable power quality.

Gallery            

dry type transformer
dry type transformer
isolation transformer
380v 400v 415v 440v 480v 690v transformer
outdoor transformer
dry transformer

*All images are representative only.

*Detailed information on size, weight and other technical details should be confirmed with us.

 

Applications

1. Medical Equipment

Essential for operating rooms, patient monitoring systems, and diagnostic imaging equipment to protect both patients and medical staff from electrical hazards.

2. Industrial Automation

Used to decouple control power supplies from the main grid, ensuring that sensitive control systems, such as PLCs and VFDs, operate without disruption from industrial electrical noise or surges.

3. Audio and Video Systems

Employed to eliminate ground loops and reduce noise for improved signal quality in professional audio recording studios and high-end home entertainment setups.

4. Testing and Laboratories

Provides a safe, isolated power source for testing electronic devices, allowing engineers to work on live circuits without the risk of creating a short to a grounded test instrument (like an oscilloscope ground lead).Protects servers, networking hardware, and communication systems from electrical disruptions to ensure reliable operation and prevent data corruption.

5. Data Centers/IT

Protects servers, networking hardware, and communication systems from electrical disruptions to ensure reliable operation and prevent data corruption.

Why Choose Us

15+Years of experience
in one-stop service

Noyark's Dry-type Transformers are a new generation of reliable, safe, environment-friendly, and energy-saving high-tech transformers. They are particularly suitable for locations with high humidity or where fire-resistance is a high priority or loads fluctuate such as airports, high-rise buildings, densely populated areas, basements, cargo ships, offshore drilling platforms and nuclear power plants, etc.

vacuum pressure impregnation transformer
 
10K+
Finished Projects
100+
professional staff
10K+
happy clients
23000+
Manufacturing Base

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