
Conditions of use
1. The surrounding air temperature is not higher than +40C, not lower than -5C, and the average temperature within 24h shall not be higher than +35C.
2. For indoor installation, the altitude of the place of use shall not exceed 2000m.
3 around the relative humidity of the air at a maximum temperature of +40C does not exceed 50%, should be allowed to have a larger relative temperature at lower temperatures (eg, +2CC for 0%) taking into account the impact of condensation due to changes in temperature may be occasional.
4. The equipment shall be installed at an inclination of not more than 5° to the vertical.
5. The equipment should be installed in a place without severe vibration and shock, and not enough to make the electrical components subject to corrosion.
6 users have special requirements can be negotiated with the manufacturer to solve the problem



1.Each one is wrapped with plastic film and foam. |
2.Packed in standard export cartons. |
3.Cartons are sealed in a wooden case or packed in pallet. |
4.The cases or pallet are bound with iron belts externally Port NINGBO or SHANGHAI. |

1. Are you a trading company or manufacturer ?
We are a professional factory with 10 years experience in the field of High and low Voltage switchgears, Substation ,transformers,cable distribution box and various electrical equipment, such as vacuum circuit breaker , load break switch etc.
Our factory is the excellent supplier of State Grid Corporation od China .
2. Do you accept customized serveice ?
We offer OEM/ODM service , can print your logo on product . our professional technical and quotation team can provice a satisfied project according to your drawing and parameters .
3. What is your MOQ?
Our MOQ is 1 piece.
4. How long is your delivery lead time ?
It depends on your product requirement and quantity . Generally , 5~10 working days is avaliable .
5. How do you solve quality problems?
Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse.we will make a satisfied soluton within 2 days .
6. What is your payment terms ?
30%T/T in adcance,70% before shipment . West union , L/C are also acceptable .