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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Sihu
  • Model Number: JDZ(G)-0.66
  • Usage: Potential
  • Phase: Single
  • Coil Structure: Toroidal
  • Coil Number: 2
  • Rated primary voltage: 220V 380V 400V 500V 660V 690V
  • Rated secondary voltage: 100V 110V 115V 120V 220V 230V
  • Rated output: 15VA 60VA 120VA
  • Limiting output: 250VA
  • Installation: indoor
  • Accuracy class: 0.5/ 1.0 /3.0
  • Structure: light, compact
  • Creepage distance: 240mm
  • Name: Cast Resin Low Voltage Transformer 400V 380V 220V
  • Test: routine test type test

Packaging & Delivery

Packaging Details Goods are packed in wooden cases, with foam inside for protection.
Cast Resin Low Voltage Transformer 400V 380V 220V
Delivery Time 4~5 days

Cast Resin Low Voltage Transformer 400V 380V 220V

Technical data

Technical Parameters Table

Rated Primary Voltage


Rated Secondary Voltage


Accuracy Class

Rated Output(VA)


Total Limited Output























1 cosΦ=0.8(lag). Rated output and relative accuracy classes listed in the table only conform to the values in one among the three.

2 Detailed outline and installation dimensions should be provided under request.

Product Overviews

 Brief Introduction

 ·Guangdong Sihui instrument voltage transformers have a full range of indoor or outdoor, as well as single phase or three phases. Our  voltage transformers are widely used in various switchgears of power grid, power plants, substations, railway, and coal mining industries and so on.

· For epoxy resin insulated low voltage and medium voltage VTs, we have fused type, V-connection type, plateau type, pole-mounted type and post type and so on; For high voltage VTs, we have SF6 inductive voltage transformer, SF6 capacitor voltage transformer and oil- immerged voltage transformer and so on.

 Outline electrical parameters are as below

   1).Primary voltage rating up to 1000 kV

   2).Secondary voltage rating of 0.11kV, 230kV, 110/√3kV, 115√3kV or custom specified

   3).Accuracy class up to 0.1 for metering; up to 3P, 5P for protection/relaying

   4).Multi windings, up to 3 windings or more

   5).Thermal limit outputs up to 2000 VA or custom specified

  *Except for the parameters listed above, we can design as per clients’ requirements.

 Main features

1).All outside parts, such as terminal box and mounting plate, are made of corrosion proof materials.

2).Low partial discharge
3).Matching different sizes switchgears
4).Used in voltage measuring and protection, high accuracy

5).Less maintenance and pollution free
6).Easily operated and mounted

7).High mechanical strength and high dielectric strength

Packaging & Shipping

All our goods are packed in wooden cases, with foam inside for protection. And we have a team who is in charge of packing. The team consists of our skilful carpenters and experienced packing designers. These enable our packing reasonable, safe and reliable.




Our Partners


Our Services

Our after- sales service is available anytime

a. Three guarantees will be carried out on the products delivered (18 months quality guarantee). That is refund, replacement and repair.

b. Fittings supply shall be in time.

c. Response for the financial loss brought from the uncertified or services.

d. Product sample is available.

e. Product customization is welcome. We have professional team to meet your requirements.

  Cast Resin Low Voltage Transformer 400V 380V 220V

Company Information

(GDSH)Guangdong Shui Instrument Transformer Works Co., Ltd. has been in the field of designing and manufacturing power transformers, instrument transformers and related components for more than 24 years. GDSH has two factories based in Sihui City near Guangzhou. GDSH pass ISO 9001:2000, ISO 9001/ISO 14001/OHSAS 18001 Quality Environmental and Occupational Health and Safety Management Systems certification.

Our production capability

Power transformers 20,000 pieces per year

Voltage transformers 80,000 pieces per year

Current transformers 100,000 pieces per year

Insulating articles 400,000 pieces per year

Quality control

We have more than 50 professional quality inspectors. There are at least 2 quality inspectors distributed at each workshop to make sure every parts of our product are qualified. What’s more, our Test workshop is always capable of stopping non-conforming products to be delivered.

There are 30-45 members in our R&D team

Our main export market is South Asia, North America, Europe and South America and so on.



Payment terms:

       30% deposit in advance and 70% balance paid before delivery or 100% L/C at sight

Minimum order:

        For high voltage products and power transformers: 1 piece;

        For medium voltage products: 3 pieces;

        For low voltage products and insulating articles: 10 pieces

Delivery time:

      Within 5~30 days after receive of order

Quotation Valid Date:

     90 days

Transportation methods:

     By air or by sea, as requested 

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