Made in: Japan
Manufacturer: SANWA TEKKI
Model : Hanger Ears
This model’s hanger ears are utilized on the Shinkansen.
A φ6 phosphor copper bar used as the hanger bar ensures higher reliability in strength and fatigue resistance.
Typically, Model H hanger ears pair with nylon messenger wire protection covers.
Main specifications of the product shown in the photograph
| Model | H |
|---|---|
| Tensile withstand load | 1.47 kN (150 kgf) (for 3 minutes) |
| Slipping sideway withstand load | 0.98 kN (100 kgf) (for 3 minutes) |
Model BLA hanger eras
These model’s hanger ears are utilized on narrow-gauge rail lines
A wedge driven in-between ear components from above produces the force that holds the contact wires.
Model A hanger ears do not have any bolts. Accordingly, working on them does not require any special tools.
Hanger bars in this model use stainless steel flat plates measuring 2 ☓ 15 mm in cross-section.
| Model | A |
|---|---|
| Tensile withstand load | 1.47 kN (150 kgf) (for 3 minutes) |
| Slipping sideway withstand load | 0.98 kN (100 kgf) (for 3 minutes) |
Hanger ears of this model are used for narrow-gauge lines.Their nail-clipper-shaped ears and levers produce the force that holds the contact wires.These model’s hanger bars consist of φ5 stainless steel bars.
Model SC hanger ears are lightweight and less prone to forming hard spots.
They are also less affected by wind.
Main specifications of the product shown in the photograph
| Model | SC |
|---|---|
| Tensile withstand load | 1.47 kN (150 kgf) (for 3 minutes) |
| Slipping sideway withstand load | 0.98 kN (100 kgf) (for 3 minutes) |
These hanger ears are employed to insulate messenger wires in specific locations like station buildings and overbridges.A special, highly weather-resistant epoxy resin used for the hanger ears prevents degradation of insulator surfaces.
Main specifications of the product shown in the photograph
| Model | Epoxy insulation |
|---|---|
| Epoxy insulation | 1.47 kN (150 kgf) (for 3 minutes) |
| Tensile withstand load | 0.98 kN (100 kgf) (for 3 minutes) |
| Withstand voltage | AC 10 kV (for 2 minutes, in a dry condition) |
Hanger ears of this model are used exclusively in places where two feeder messenger wires in a pair maintain a distance of 100 mm in DC overhead contact lines (1500 VDC).
They are epoxy-resin insulation hanger ears, preventing feeding current from flowing between the messenger wire and the contact wire.
Main specifications of the product shown in the photograph
| Model | NHIG |
|---|---|
| Epoxy insulation | 1.47 kN (150 kgf) (for 3 minutes) |
| Tensile withstand load | 0.98 kN (100 kgf) (for 3 minutes) |
| Withstand voltage | AC 10 kV (for 2 minutes, in a dry condition) |
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