
10KV Composite Post Insulator ОСК 12,5-10-3А
Description
Technical Parameters
Gaodian Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of 10kv composite post insulator оск 12,5-10-3а in China. With abundant experience, we warmly welcome you to buy advanced 10kv composite post insulator оск 12,5-10-3а made in China here from our factory. We also accept customized orders.
Products Description
10KV composite post insulator operate by creating a high-resistance physical gap between a live electrical conductor and the grounded support structure.
High Dielectric Strength: Constructed from premium HTV silicone rubber over a solid-core FRP rod, the body prevents electrical breakdown through the interior (punctureproof design).
Optimized Creepage Distance: The sheds on the outer core extend the surface leakage path (creepage distance). This stops electrical current from tracking along the wet or contaminated outer surface during rain, salt spray, or industrial dust exposure.
Load Distribution: Metal end fittings (flanges or caps) at both ends are crimped onto the insulator body, evenly distributing tension, compression, and cantilever bending forces into the mounting pole or frame.
Technical Specifications

|
Parameter |
Specification |
|
Product Name |
10KV composite post insulator |
|
Insulator Type |
Composite |
|
Rated Voltage |
10kV |
|
Cantilever Load |
12.5kN |
|
Creepage Distance |
350mm |
| Dry Arc Distance | 100mm |
|
Lightning Impulse Withstand Voltage |
75 kV |
|
1Min Power-Frequency Withstand Voltage |
42 kV (dry) |
|
28kV (wet) |
|
|
Core Material |
ECR fiberglass rod |
|
Housing Material |
HTV Silicone Rubber |
|
Metal Fittings |
Hot-dip galvanized flange |
|
Applicable Standard |
IEC 62231 / ANSI 29.19 |
Why Choose GAODIAN?
◆ We produce flange metal fittings
◆ We produce silicone rubber
◆ We produce ECR fiberglass core
◆ Product inspection and testing on every insulator
◆ OEM and ODM available
◆ Test report available
◆ 0 accident from establishing
application
Designed for Power Distribution and Substation Equipment
Medium-voltage overhead distribution lines
Electrical substations
Switchgear and electrical equipment
Busbar support systems
Outdoor line and equipment insulation
Industrial power distribution systems
Renewable energy power distribution projects
company strength
ISO Certificate



FAQ
Q: Can you design other 10KV composite post insulators according to customer requirement?
A: Yes. GAODIAN can review customer drawings or technical specifications to do new design or OEM.
Q: What's your lead time for insulators? What is your soonest delivery time.
A: Usually we need about 30 to 40 days to manufacture and test, it based on the quantity you need. If we have ready mould for your product, then we can shorten the lead time to 25days with normal quantity. Shipment by air is also available if you need the goods urgently! We will try our best.
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