Complaint
ZHONG-HE has more than 20 years of experience in design and commissioning of Traction Power System (Traction Rectifier - Transformer), DC Power Supply System, EV Chargers.
Our DC Power Supply System mainly configured with high frequency switch power supply module and intelligent monitoring unit, which offer reliable and flexible power distribution solutions to meet most any load requirement.
Widely used for DC traction substations, transformer stations, power plants, petroleum, chemical industry, broadcasting, television, post, telecommunications, transportation and etc.
| Rated input voltage | AC380V |
| rated output voltage | DC110/220V |
| Rectifier module output current | 5A 10A 20A 30A 40A |
| Voltage stabilization accuracy | ≤±0.5% |
| Current stabilization accuracy | ≤±0.5% |
| Current Sharing | ≤±3% |
| Ripple coefficient | ≤0.1% |
| Power factor | ≥0.92 |
| Efficiency | ≥92% |
Q: Are you the factory or trading company?
A: We are factory with more than 20 years in the field of DC power supply solution, traction power supply and new energies. We warmly welcome you for the visit.
Q: How is the delivery time?
A: Generally, the delivery time between 7-30 days after getting client's payment.
For accurate info depends on the products and the quantity, we can make further communication on this.
Q: Do you have MOQ requirements?
A: MOQ is 1 set for most of the products, only MOQ for 7KW, 11KW, 22KW ev charger is 10 sets.
A: How long is your warranty time?
Q: We provide 2 years warranty for our clients.
Q: Can you provide customized service?
A: Yes. we have been getting involved with the OEM and ODM projects since 2004.
So that we can provide professional customized service for our clients.
Q: Do you have after sales service?
A: Yes, we have the after-sales service team.
Our after-sales engineer Can give the support and instruction by video or phone call while needed.
Q: Do you make the test after finishing production?
A: Yes, our production engineer team will do the test while goods finished, and we will prvoide the test info to clients for reference before delivery.
