Composite post insulators SIW 24G4
Application:
They are used in medium voltage overhead power lines as elements supporting conductors. The conductor can be mounted symmetrically at the top of the insulator head or asymmetrically on the side – depending on the design of the support and installation needs. Thanks to the use of corrosion and UV radiation resistant materials, these insulators are characterized by high durability and reliability, even in demanding weather conditions.
Construction
Insulation made of HTV silicone, head made of plastic.
The core of the insulator is a glass epoxy rod.
The lower fitting of the insulator is made of hot-dip galvanized steel.
Pin – permanently attached, thread along the entire length
| Symbol | SIW 24 G4 | SIW 24 S |
|---|---|---|
| Nominal voltage [kV] | 24 | 24 |
| The path of flight [mm] | 690 | 690 |
| Power frequency withstand voltage in rain [kV] | 78 | 78 |
| Lightning impulse dry withstand voltage [kV] | 158 | 158 |
| Bending strength [kN] | 12.8 | 12.8 |
| Flammability class of lampshades and core | V0 | V0 |
| Minimum insulation thickness [mm] | 3 | 3 |
| Number of pieces in the package | 3 | 3 |
| Symbol | SIW 24 G4 i SIW 24S |
|---|---|
| Nominal voltage [kV] | 24 |
| Crepage distance [mm] | 690 |
| Power frequency wet withstand voltage [kV] | 78 |
| Lightning impusle withstand voltage [kV] | 158 |
| SCL [kN] | 12,8 |
| Number of pieces in the package | 3 |
| Pollution zone: |
17,5 kV: I-IV 24 kV: I-II 36 kV: I |
Compliant with standards: PN-EN 61952 i PN-EN 62217.
Insulators
