- Model NO.: GW4-72.5/1250
- Structure: Double-column Disconnector
- Phase: Three
- Specification: IEC62271-102: 2005 and IEEE Std C37.30-1997
- HS Code: 8535300000
- Type: High-voltage
- Installation: Outdoor High-voltage
- Trademark: YONGDE
- Origin: China
1. Simple Structure, reliable property, wide usage, economical and long-time life.
2. Complete specification and satisfy user's different parameters requirements.
3. Connecting terminal and the electric pole is made by casting aluminum-alloy and section bar, having the good property of high-intensity, good flowing and anti-corrosion
4. In the galvanic circle, the section is the combination structure made by screw fix linking, having the good property of stable flowing, high reliability, simple change way and convenient adding volume way.
5. In the galvanic circle, the contact and finger is made by T2Y pure copper tap whose connecting part is coated by 30μ M silver.
6. Finger spring is made by the stainless steel and its design is the inside hiding and outside press structure which is convenient for testing and changing.
7. Bearing block is made by high-intensity casting steel (disposed by hot zinc coating), the height can be adjusted and have the function of damping.
8. All the operating rod and linking rod are supplied by manufacturer, which is convenient for loading, adjusting and testing.
9. Can be supplied as a whole above the ground according to user's requirement.
|1||Rated Voltage kV||72.5||123||145||245|
|2||Rated Current A||1250 1600 2000 2500 3150 4000|
|3||Rated Short Time withstand current and Time kA/s||25~50/4|
|4||Rated Peak withstand current kA||63~125|
|5||1min power frequency withstand voltage (effective value) kV||To earth||140||230||275||460|
|Across Isolating DS||180||300||315||605|
Lightning Impulse wishstand voltage
(peak value) kV
|Across Isolating DS||405||650||750||1200|
|7||Rated mechanical terminal load N||Level of lateral load||750||1500||1500||2000|
|Level of vertical load||500||1000||1000||1500|
|9||Max Man Operative Moment N. m||200|
|10||Motor Drive operating mechanism control voltage V||AC220; DC110, 220|
|11||Motor Drive operating mechanism motor voltage V||AC220, 380; DC110, 220|