China 250A Solar PV 1500V DC Isolating Switch, Find details about China Switch Disconnector, DC Isolator Switch from 250A Solar PV 1500V DC Isolating Switch
Model | DNH19-250/4 | DNH19-400/4 | DNH19-630/4 |
Rated voltage Ue V | DC1500V/DC1000V | ||
Rated current | 100A,160A,200A,250A | 315A,400A | 500A,630A |
Rated insulation voltage | DC1500V | ||
Rated making and breaking capacity | DC-21B | ||
Installation category | 4 | ||
Rated short-time withstand current Icw/1s | 6kA | 10kA | 12kA |
Rated impulse withstand voltage Uimp | 12kV | ||
Rated short-circuit making capacity (Icm) | 10kA | 13.6kA | 13.6kA |
1 How long is your products warranty ?
A: The warranty period of our products is 18 months.
2 What is the material of your products?
A: The plastic is class V0 of inflaming retarding.
3 How about inspection?
A: We have the whole inspection system from raw material to end products include temperature rise test,salt spraying test conductor type test,mechanical life test.
4 What do you have for certificate?
A: Our products are passed through IEC60947-3 and IEC60269-2 standarded.
5 What is payment terms?
A: T.T,Paypal,Western Union and L/C isacceptable.
6 What is the service offered by company?
A: We have the professional enginer team which can design and develop the mold to arrive different customer nequirement.
We also have the sales team to offer good service from pre-sale to after-sale.
7 How to become the agents for GRL?
A: It is OK! We will depend on the sales turn over and also do research on your market. If your have interest,let us discuss more !