Shanghai, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Electrical & Electronics, Industrial Equipment & Components, Manufacturing & Processing ...
Management System Certification:
ISO 9001, ISO 14001
OEM/ODM Service
Sample Available

Isolation Transformer, LV Transformer, Low Voltage Transformer manufacturer / supplier in China, offering High Efficence Reliable Auto Transformer, Single Phase Static Voltage Stabilizer, Outdoor Digital Servo Voltage Stabilizer and so on.

Diamond Member Since 2017
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High Efficence Reliable Auto Transformer

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Min. Order / Reference FOB Price
1 Piece US $100-50,000/ Piece
Port: Shanghai, China
Transport Package: Wooden Box
Payment Terms: L/C, T/T
Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
Phase: Three
Core: Core-type Transformer
Cooling Method: Dry-type Transformer
Winding Type: Separated Winding Transformer
Certification: ISO9001-2000, CCC

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Basic Info

Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Isolation Transformer
Frequency Characteristics
Power Frequency
1kVA to 3000kVA
Shanghai, China
 1. Galvanic isolation between the stabilizer and the main power supply
 2. Change the voltage grade
Improve the balance of the phase voltage and provide a steady neutral point.
Protection from voltage surge and cancel the triplen harmonics. 


Capacity 1KVA-3000KVA
Voltage Grade<= AC1140V
Input Voltage rangeRated voltage ±10%
Output VoltageRated voltage ±3% when input voltage is at the rated voltage.
Frequency50Hz or 60Hz
Dielectric Strength3500V / 10mA / 60s
Loading capabilityWhen the transformer is 100% loaded, it can take 3 times current in short time. 
Insulation≥100MΩ ( DC 500V )
Insulation GradeF
Working Temperature-15°C--+45°C
Temperature increase<100K

High Efficence Reliable Auto Transformer

Company Profile:

Founded in 1983, GridStone Electric is a leading manufacturer of automatic voltage stabilizer and transformer. The products currently include digital static voltage stabilizer, digital servo voltage optimizer, power factor correction units, LV and MV transformers and reactors, UPS, Variable Frequency Power Source, Oil Immersed Induction Voltage Regulator. Thanks to over 30 years in the business and on going technical research, GridStone have become a competitive high-tech company, and meet the requirements of a constantly growing number of customers through design, production and service.

Besides standard production, GridStone is flexible and strong at custom design and production according to the customers' specification. Expert training and technical support are available to serve the customers quickly and professionally.

GridStone factories are ISO9001 and ISO14001 certified.

High Efficence Reliable Auto Transformer

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