Complaint
ZHONGHE offers a comprehensive range of products and solutions for DC traction substations
| Rated working voltage | DC750V/1500V/3000V | |
| Rated Insulation Voltage | 900V/1800V | |
| Rated current of main bus | 1250A | |
| Rated insulation level of main circuit and sensor | Power frequency withstand voltage | primary circuit Frame:6.9kV,50Hz,1min |
| secondary circuit Frame: 2.0kV,50Hz,1min | ||
| Rated short circuit current | 60kA/τ= 10ms | |
| Auxiliary circuit rated voltage | Protective circuit:DC220V | |
| Signal circuit:DC24V | ||
| Control circuit: DC220V/24V | ||
| Classification of degrees | IP4X | |
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.
