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High voltage disconnector type GW16-200,GW17-220

　

GW16-220
GW17-220

Main technical specification
No. Nominal Unit Item

GW
16
17

- 220
1 Rated Voltage kV    --   220
2 Rated Frequency Hz   -- 50
3 Rated Current A   -- 2000  2500   3150
4 Limit Through Current of Main Blade and Earthing Blade kA   -- 125
5 Thermal Stable Current 3s of Main Blade and Earthing Blade kA   -- 50
6 Power Frequency Withstand Voltage kV Between Poles 517
Across Gaps 677
7 Fullwave Impulse Withstand Voltage kV Between Poles 1155
Across Gaps 1320
8 Mechanial Endurance Time     -- 2000
9 Creepage Ratio cm/kV I (Creepage Distance 4040 ) 1.6
II (Creepage Distance 5040 ) 2.0
III (Creepage Distance 6040 ) 2.5
10 Torsional Strength for Every Column Nm    - 2000
11 Cantilever Strength for Upper Column N - 10000
12 Cantilever Strength Lower Colum N - 20000
13 Service Conditions m Altitude 2500
°C Ambient Temperature -40~+40
Pa Wind Pressure 700
。 Earthquake Degree 8
mm Ice Coating 10

NANJING  ELECTRICITY   (GROUP)  Co.,  Ltd.
NANJING  ELECTRO-CERAMIC  FACTORY
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Add:    Yanziji  Nanjing  China                              Zip: 210038
Tel(Fax): (86)-25-5311532   5312093   5310592   5311634
E-mail (For sale): necf@ld-cn.com     or    (For office): gsb@ld-cn.com