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






*All images are representative only.
*Detailed information on size, weight and other technical details should be confirmed with us.
Applications
Essential for operating rooms, patient monitoring systems, and diagnostic imaging equipment to protect both patients and medical staff from electrical hazards.
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.
Employed to eliminate ground loops and reduce noise for improved signal quality in professional audio recording studios and high-end home entertainment setups.
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.
Protects servers, networking hardware, and communication systems from electrical disruptions to ensure reliable operation and prevent data corruption.
Why Choose Us
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.

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