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ZGS11 630kVA 10kV 0.4kV American Style Box-Type Power Pad-Mount Substation Transformer

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Number of Phase:Three Phase
Winding Type:Two Winding
Winding Material:Aluminum / Copper
Rated Capacity:630kVA
High Voltage:6/10/11kV
Low Voltage:0.4kV
Tapping Range:±2×2.5%
Impedance Voltage:4.5%
No-Load Loss:0.81kW
Load Loss (75°C):6.2kW
No-Load Current:1.1%
Frequency:50/60Hz
Connection Group:Yyn0 / Dyn11
Cooling Method:ONAN
Insulation Class:A
Climatic Class:C2
Environmental Class:E2
Operation Altitude:≤1000m
  • ZGS11-630/10

  • SHENGTE

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The combination transformer, also called the American Box Transformer or Pad-Mounted Transformer, is a crucial power supply unit in cable distribution networks. This unit integrates high-voltage load switches and high-voltage fuses within the transformer box. The fully sealed oil tank structure ensures superior insulation and heat dissipation for the transformer oil. Its compact size, lightweight design, and convenient installation and maintenance offer enhanced safety, reliability, and aesthetic appeal. This transformer is extensively applied in urban areas, residential communities, hotels, hospitals, industrial facilities, oil stations, airports, railways, docks, and other outdoor power supply locations.


Features:

1. Compact Design: This transformer features a small and compact structure, occupying only about one-third to one-fifth of the space compared to traditional European box-type substations of similar capacity. Its fully sealed and insulated structure eliminates the need for insulation distance, ensuring safety and reliability while delivering excellent transformer performance with minimal loss.

2. Advanced Transformer: The S11 type transformer, known for its low noise and robust overload capacity, consists of three main components: the high-voltage, low-voltage, and transformer chambers. Typically arranged in a "T-shaped" configuration, the high-voltage side is equipped with V-type or T-type load switches and two-stage fuse protection, supporting both loop network and terminal configurations for flexible and reliable power supply solutions.

3. Enhanced Monitoring: High-voltage incoming lines use cable plugs and can be equipped with zinc oxide arresters to meet various low-voltage outgoing requirements. Depending on user preferences, low-voltage metering and shunt outgoing lines can be added.

4. Flexible Connectivity: High-voltage incoming lines use cable plugs and can optionally be equipped with zinc oxide arresters to meet various low-voltage outgoing needs. Additionally, based on user preferences, low-voltage metering and shunt outgoing lines can be seamlessly integrated.

Efficient Heat Dissipation: The transformer employs corrugated fins for efficient heat dissipation, treated with special processes for strong anti-corrosion properties. It is available in various shapes and structures, with options for materials such as ordinary steel plates, stainless steel, and others.

ZGS11-1ZGS11-2


Product Parameters


Model Description ZGS11

Model Rated Capacity (KVA) Rated Voltage (KV)

Connection

Method

No-load Loss

(W)

Load Loss

(W)

No-load Current

(%)

Short Circuit

Impedance

(%)

High Voltage Voltage Regulation Range

Low Voltage

ZGS11-100

100

6

6.3

10

10.5

11

±5%

±2×2.5%

0.4

Yyn0

Dyn11

200 1580/1500 1.8 4

ZGS11-125

125 240 1890/1800 1.7 4

ZGS11-160

160 270 2310/2200 1.6 4

ZGS11-200

200 340 2730/2600 1.5 4

ZGS11-250

250 400 3200/3050 1.4 4

ZGS11-315

315 480 3830/3650 1.4 4

ZGS11-400

400 570 4520/4300 1.3 4

ZGS11-500

500 680 5410/5150 1.2 4.5

ZGS11-630

630 810 6200 1.1 4.5

ZGS11-800

800 980 7500 1 4.5

ZGS11-1000

1000 1150 10300 1 4.5

ZGS11-1250

1250 1360 12000 0.9 4.5

ZGS11-1600

1600 1640 14500 0.8 4.5

ZGS11 Drawing


Production Process


Production Process S11


Company Profile


Guangdong Shengte Electric Co., Ltd., based in Foshan, China, is a distinguished transformer manufacturer known for reliability and exceptional after-sales service. With over a decade of experience, we've provided high-quality, cost-efficient transformers for governmental and private sector projects worldwide, earning a reputation for excellence.
Our commitment to quality is demonstrated by meeting the rigorous standards of our German Power Utility clients, ensuring only the highest quality solutions.
Spanning 10,000 square meters, our Foshan facility is equipped with cutting-edge production and testing equipment, enabling us to offer customized solutions, including OEM and ODM services. Our product range includes oil-immersed transformers, resin cast dry-type transformers, pad mounted transformers, prefabricated substations, and more.
Certified by ILAC-MRA and CNAS, our IEC certificate underscores our dedication to international quality standards. Additionally, we hold ISO9001, CE, and Innovative Product Certifications, with active pursuit of the UL certificate to further demonstrate our commitment to global compliance.

Company

Factory


Project Cases


Project Case


Certifications


Certifications


Exhibition


Exhibition


Packaging & Shipping


Packing & Delivery


FAQ


Q1: Are you a manufacturer or trading company?

A1: Our factory covers an area of over 10000m2, we can produce 2000 more transformers each year.


Q2: Do you have the relevant certifications and test reports?

A2: Yes, we have ISO9001 and CE certification, and can provide the test reports according to IEC standard.


Q3: How long is the warranty period?

A3: It is 12 months.


Q4: Would you accept using customer's logo?

A4: Yes, we can provide OEM and ODM service.


Q5: What's the MOQ?

A5: It is 1 set.


Q6: What are the payment methods and terms?

A6: We accept T/T, Western Union, PayPal, etc. 30% advance payment before production, 70% balance payment before delivery.


Q7: How long is the delivery time?

A7: Generally it is 20-30 days, it depends on the order quantity.


Q8: What is the standard of package?

A8: Wooden case or special package according to customer's requirement.


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Guangdong Shengte Electric Co., Ltd. is located in Danzao Town, Nanhai District, Foshan City.

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