Combined Transformer Substation
ZGS series
American box type


ZGS series combined American type substation, suitable for 10kV loop power supply, dual power supply or terminal power supply system, as a substation, metering, compensation control and protection device.
It complies with the following standards: GB17467 "High Voltage/Low Voltage Prefabricated Substation" DL/T537 "Guide for Selection of High Voltage/Low Voltage Prefabricated Box type Substation".
Working conditions:
- Altitude: not exceeding 1000m;
- Environmental temperature: -35 ºC~+40 ºC;
- Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
- Installation location: A place without fire, explosion hazards, chemical corrosive gases, and good ventilation, with a ground inclination angle of no more than 3 degrees.
- Note: If any customized requirements, please consult with our company.
No. | Item | Unit | Value |
1 | Rated voltage | kV | 10/0.4 |
2 | Max voltage | kV | 12(High voltage side) |
3 | Rated frequency | Hz | 50 |
4 | Rated capacity | kVA | ≥50 |
5 | 1-min power frequency withstand voltage | kV | 35 |
6 | Lightning impulse withstand voltage | kV | 75 |
7 | Cooling mode | Oil natural air natural | |
8 | High-voltage backup fuse break current | kA | 50 |
9 | Plug in fuses break current | kA | 25 |
10 | Environmental temperature | ºC | -35~+40 |
11 | Allowable temperature rise for coil | ºC | 65 |
12 | No load voltage regulation | +5%+2x2.5% | |
13 | Noiselevel | dB | 45 |
14 | Protection level | IP43 |







Product applications

- ISO 9001
- ISO 14001
- ISO 45001
- ISO 50001
- 68 Patents

1. Are you the manufacturer or trader?
HANS POWER is a professional manufacturer in power
transmission and distribution products for over 20 years.
2. What's your major product?
Oil immersed transformer, Dry type transformer, Transformer
substation, High and low voltage switchgear.
3. What's the payment terms?
T/T, LC or Cash
4. How long the lead time will be?
It depends on the product and quantity of the order,
usually it takes 15~40 working days.
5. Can your products be customized?
Sure, we provide OEM&ODM service.
6. How is your package?
Sturdy wooden box package, or any other packages
according to customer's requirements.
7. What certifications do you have?
ISO9001, ISO14001, ISO45001, ISO50001 certificated.
And complete test reports for products.
8. How long is the guarantee?
We offer at least 1 year guarantee.