We can supply Semi Conductive Porcelain Line Post Insulator
We can supply high and low voltage porcelain bushing insulator base on DIN, ANSI, IEC, BS, AS or GB standard, we also could customized according to your requirement. The following are the specification for our normal products, please see that as a reference.
As Supply Chain Management of medium voltage electrical equipment.We also can supply glass insulator,Fuse Cut-out
ANSI CLASS | Creepage distance (mm) | Dry arcing distance (mm) | cantilever strength (kN) | Lower frequency flashover voltage | Critical impulse flashover voltage | Test voltage to ground (kV) | |
Dry(kV) | Wet(kV) | Positive(kV) | |||||
57-4 | 1015 | 368 | 12.5 | 140 | 110 | 230 | 44 |
1. High strength
2. Competitive price and prompt delivery
3. High voltage application
4. Material: Porcelain
5. ANSI Approve
Reasonable insulation structure high reliability of interturn insulation.
Stainless steel flange low magnetic inductivity high resistivity.Small volume light weight.
Convenient transportation and flexible installation.
Low OSS.Low temperature rise.High mechanical strength, strong weather ability.
Outstanding crack resistance.
Low thermal expansion coefficient.




A: Choose the proper reactor type,Installation recommendations and to provide technical information,
Satisfied users of the special design requirements
Q2: What's the payment term?
A: We accept T/T, L/C, Cash,OA.
Q3: What's the delivery time?
A: Usually 2-4 weeks. Or according to quantities
Q4: What's the standard of package?
A: Export standard package or special package as the requirement of customers.
Q5: After-sales service:
A: Offer professional equipment installation instructing,Provide spare parts for wearing parts(such as post insulator,
bolt, etc.)
Q6: Where is your mainly market?
A: We mainly ship to European, South America, North America, etc.