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GW4-40.5 35kV disconnector and air break switch
LSOLATING SWITCH
GW4-40.5 series light torque maintenance type outdoor high-voltage disconnector is an outdoor high waist electrical equipment with a frequency of less than 50Hz-60Hz. It is used for replacement under high-voltage no load, and for electrical isolation between the overhauled high-voltage bus, circuit breaker and other electrical equipment and live high-voltage lines. It can also be used to open and close very small capacitive current and inductive current.
According to the use area: ordinary type, pollution attached type and plateau type.
Whether the grounding switch is connected or not: ungrounded, single grounding and double grounding.
This series of disconnectors meet the requirements specified in GB1989-89 AC high voltage disconnectors, IEC1129 (1984), AC disconnector grounding switches and IEC694 (1980) common terms for high voltage switchgear and control equipment. This series of products have good seismic resistance and meet the requirements of 9 degrees of earthquake (horizontal acceleration 4.9m/s2 and vertical acceleration 2.45m/s2).
For more information about GW4-40.5 disconnect switch, please contact us.
TECHNICAL PARAMETER
| Parameter name | Unit | Parameter value | ||||
| Rated voltage | kv | 35 | ||||
| Maximum operating voltage | kV | 40.5 | ||||
| Rated frequency | Hz | 50/60 | ||||
| Rated current | A | 630 | 1250 | 2000 | 2500 | |
| 2S thermal stability current KA (effective value) | kA | 20 | 31.5 | 40 | 46 | |
| Dynamic stability current KA (effective value) | kA | 50 | 80 | 100 | 104 | |
| Rated lightning impulse withstand voltage | Relatively | kV | 185 | |||
| Between fractures | kV | 215 | ||||
| Rated 1min power frequency withstand voltage | Relatively | kV | 95 | |||
| Between fractures | kV | 118 | ||||
| Creepage distance | mm | 900 | ||||
| Rated longitudinal mechanical load of terminal | N | 750(980) | ||||
| Matching mechanism | CJ6, CJ11M-G maintenance free electric operating mechanism or CS11-1, CS11, CS8-6D manual mechanism | |||||
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PRODUCT DETAILS
>> Action principle / 动作原理
>> Hidden danger / 安全隐患
>> Installation scenario / 安装场景
>> Product characteristics / 产品特性
>> Service conditions / 使用条件
>> Why choose us / 为什么选择我们
>> GW4-40.5 Disconnector
1. The disconnector is of double column horizontal rotary structure
Each pole is composed of three independent monopoles, and each monopole is composed of base, insulating pillar and conductive part. Each pole has two insulating pillars respectively fixed on the bushings at both ends of the base and connected by connecting rods. Each insulating pillar can rotate horizontally with a rotation angle of 90 °. The insulating pillar is equipped with conductive wiring base and left and right contacts. The left and right contacts are in contact between the two insulating pillars through the conductive plate. The structural type, base, post insulator and other components of products with different current specifications are the same, but the conductive circuit is slightly different.
2. Structure of grounding switch
The static contact of the grounding switch is fixed on the conductive pipe of the disconnector, and the moving contact is installed on the end of the grounding knife steel pipe on the base.
3. Structure of manual mechanism
The manual mechanism is divided into CS11-1, CS11 and CS8-6D. Its operating handle rotates horizontally with a rotation angle of 90 °. CS8-6D is equipped with interlocking device to ensure the operation according to the specified procedure (main opening - ground closing - ground opening - Main closing).
4. Mechanical interlocking of disconnector and grounding switch
The mechanical interlocking of disconnector and grounding switch is partially realized through the interlocking panel on cs8-6d manual mechanism.
5. Structure of electric mechanism
For the structure of CJ6 electric operating mechanism or CJ11M-G surface maintenance electric mechanism, see its installation and operation manual.
Safety protection // Corrosion resistance // Outdoor rainproof // Long life // Excellent material
>> Action principle
>> Hidden danger
>> Installation scenario
Hydropower station #1
Factory and mining enterprises #2
Ring network power supply #3
Petrochemical Enterprises #4
>> Product characteristics
>> Service conditions
>> Why choose us
COMPANY INTRODUCTION
Lawrence Electric Co., Ltd. is a high-tech enterprise focusing on power transmission and distribution products, providing customers with one-stop service of power transmission and distribution products.
It mainly produces and sells lightning arrester, insulator, fuse, isolation / load switch, SF6 / vacuum circuit breaker, power supply fittings, optical cable fittings, switch cabinet and other transmission and distribution products. The company has production bases and sales centers in Jiangxi, Zhejiang, Uganda, Tanzania and other places.
Our products have operated safely in the power supply systems of more than 20 countries and regions around the world for more than 10 years. They are also qualified suppliers of China State Grid and China Southern Power Grid. At present, they have gained a good reputation in the field of power system in the world.
We have received high-quality product recommendation letters from power supply companies in Kenya, Uganda, Tanzania, Zambia, Guinea, Ghana, Togo, Mozambique, Nepal, Guyana, Myanmar and other countries and regions.
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