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Railway Overhead Lines - Polymer Insulators

Railway Overhead Lines
Polymer Insulators

Polymer insulators for anchors

Polymer insulators for anchors

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
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Polymer insulators for the Shinkansen (for suspension)

Polymer insulators for the Shinkansen (for suspension)

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
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Polymer insulators for AC wires for narrow-gauge lines (for suspension)

Polymer insulators for AC wires for narrow-gauge lines (for suspension)

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
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Long rod polymer insulators for AC wires for narrow-gauge lines

Long rod polymer insulators for AC wires for narrow-gauge lines

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.

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Polymer insulators for DC wires for narrow-gauge lines (for suspension)

Polymer insulators for DC wires for narrow-gauge lines (for suspension)

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
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Long rod polymer insulators for DC wires for narrow-gauge lines

Long rod polymer insulators for DC wires for narrow-gauge lines

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)
Commercial power-frequency
wet withstand voltage
65kV
Lightning impulse withstand level 180kV
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