Made in: Japan
Manufacturer: SANWA TEKKI
Model : Polymer Insulators
Strain insulators for feeders for 25 kV AC wires for the Shinkansen: Each of these insulators is equivalent to a chain of five Model 250EPJ porcelain insulators.
Main specifications of the product shown in the photograph
| Model | P250－5KEP |
|---|---|
| Rating | 117.6kN (12000kgf) |
| Commercial power-frequency wet withstand voltage | 135kV |
| Lightning impulse withstand level | 320kV |
Suspension insulators for 25 kV AC wires for the Shinkansen: Each of these insulators is equivalent to a chain of five Model 250EPJ porcelain insulators.
Main specifications of the product shown in the photograph
| Model | P250－5KEP |
|---|---|
| Tension breaking load | 117.6kN (12000kgf) |
| Commercial power-frequency wet withstand voltage | 135kV |
| Lightning impulse withstand level | 320kV |
Suspension insulators for 20 kV AC wires for narrow-gauge lines: Each of these insulators is equivalent to a chain of three Model 250EPJ porcelain insulators.
Main specifications of the product shown in the photograph
| Model | P250－3EP |
|---|---|
| Tension breaking load | 68.6kN (7000kgf) |
| Commercial power-frequency wet withstand voltage | 100kV |
| Lightning impulse withstand level | 215kV |
Long rod insulators for 20 kV AC wires for narrow-gauge lines: Each of these insulators is equivalent to an AC long rod porcelain insulator.
Main specifications of the product shown in the photograph
| Model | PACH－2(H) special |
|---|---|
| Tension breaking load | 68.6kN (7000kgf) |
| Bending fracture load | 2.254kN (230kgf) |
| Commercial power-frequency wet withstand voltage for commercial | 140kV |
| Lightning impulse withstand level | 290kV |
* The variation “special” is featured by fittings made of SUS304 and is intended for use in areas subject to salt damage.
Suspension insulators for 1.5 kV DC wires for narrow-gauge lines: Each of these insulators is equivalent to a chain of two pairs of Models 180EP and 180C porcelain insulators.
Main specifications of the product shown in the photograph
| Model | P180－2C |
|---|---|
| Tension breaking load | 73.5kN (7500kgf) |
| Commercial power-frequency wet withstand voltage for commercial | 45kV |
| Lightning impulse withstand level | 120kV |
Long rod insulators for 1.5 kV DC wires for narrow-gauge lines: Each of these insulators is equivalent to a DC porcelain insulator.
Main specifications of the product shown in the photograph
| Model | PDC |
|---|---|
| Tension breaking load | 68.6kN (7000kgf) |
| Bending fracture load | 3.087kN (315kgf) |
| ommercial power-frequency wet withstand voltage | 65kV |
| Lightning impulse withstand level | 180kV |
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