36kV 1250A Outdoor disconnect switch with earth, manual type, porcelain insulator
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 400 unit/month
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Specifications
1. Outdoor 145kV AC Bus and Line Disconnectors(ISOLATOR)
2. KEMA test report
3. ISO quality certificate
4. Good quality
General introduction :
GW4-40.5/72.5/126/145/170/252 Ⅲ Series, two columns, horizontally rotating type, HV, AC, disconnector
Product classifications and Main Technical Specifications :
1), Product classification
Voltage level: 40.5kV, 72.5kV, 126kV, 145kV, 170kV, 252kV.
Current level: 630A,1250A, 2000A, 2500A,3150A, 4000A.
Auxiliary earthing switch type: none earthing switch, left earthing switch, right earthing switch, double earthing switches.
2), Main Technical Specifications
Technical Specifications | Product Type | GW4-40.5Ⅲ | GW4-72.5Ⅲ | GW4-126Ⅲ |
Rated voltage kV | 40.5 | 72.5 | 126 | |
The rated current A | 1250, 2000, 3150, 4000 | |||
Disconnector | Rated peak withstand current kA | 100, 125 | ||
Rated short-time withstand current (RMS)kA | 40, 50 | |||
Rated short circuit duration s | 4, 3 | |||
Grounding switch | Rated peak withstand current kA | 100, 125 | ||
Rated short-time withstand current (RMS)kA | 40, 50 | |||
Rated short circuit duration s | 4, 3 | |||
Rated short-time power frequency withstand voltage (RMS) kV | to earth | 95 | 160 | 230 |
across open contacts | 118 | 200 | 230+70 | |
Rated lightning impulse withstand voltage (peak) kV | to earth | 185 | 350 | 550 |
across open contacts | 215 | 410 | 550+100 | |
minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector | 53 | 94 | 164 | |
rated terminal static mechanic load N | longitudinal level | 1000 | 1000 | 1000, 1250 |
Horizontal level | 750 | 750 | 750 | |
Vertical force | 1000 | 1000 | 1000 | |
switching micro-capacitance current A | 2 | 2 | 2 | |
switching micro-inductance current A | 1 | 1 | 1 | |
switching busbar for current transfer A (busbar transfer voltage 100V) | 400V, 2500A, 100 times | |||
Radio interference level | less than 500 μV | |||
Mechanical life | 3000 | 3000 | 3000 | |
single pole weight (kg) | 120 | 200 | 260 | |
Note: All applied to an altitude of 2000m |
Technical Specifications | GW4-145Ⅲ | GW4-170Ⅲ | GW4-252Ⅲ | |
Rated voltage kV | 145 | 170 | 252 | |
The rated current A | 1250, 2000, 3150, 4000 | |||
Disconnector | Rated peak withstand current kA | 100, 125 | ||
Rated short-time withstand current (RMS)kA | 40, 50 | |||
Rated short circuit duration s | 4, 3 | |||
Grounding switch | Rated peak withstand current kA | 100, 125 | ||
Rated short-time withstand current (RMS)kA | 40, 50 | |||
Rated short circuit duration s | 4, 3 | |||
Rated short-time power frequency withstand voltage (RMS) kV | to earth | 275 | 325 | 460 |
across open contacts | 315 | 375 | 460+145 | |
Rated lightning impulse withstand voltage (peak) kV | to earth | 650 | 750 | 1050 |
across open contacts | 750 | 860 | 1050+200 | |
minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector | 188 | 221 | 291 | |
rated terminal static mechanic load N | longitudinal level | 1000, 1250 | 1500 | 1500 |
Horizontal level | 750 | 1000 | 1000 | |
Vertical force | 1250 | 1250 | 1250 | |
switching micro-capacitance current A | 2 | 2 | 2 | |
switching micro-inductance current A | 1 | 1 | 1 | |
switching busbar for current transfer A (busbar transfer voltage 100V) | 400V, 2500A, 100 times | |||
Radio interference level | less than 500 μV | |||
Mechanical life (times) | 3000 | 3000 | 3000 | |
single pole weight (kg) | 300 | 326 | 900 | |
Note: All applied to an altitude of 2000m |
- Q:DC transmission equipment
- Simply put, DC screen is to provide stable DC power supply equipment.
- Q:Transmission lines are not electrical equipment?
- If you are satisfied, please accept it as a satisfactory answer
- Q:What is the role of transmission system and distribution system in power grid
- The distribution of power resources and power load centers in most countries in the world is inconsistent.
- Q:Transmission and transformation equipment
- Transmission and transformation of basic electrical equipment, including the main wire, transformers, switchgear, high voltage insulators, etc.
- Q:Rural high voltage transmission line equipment ownership
- High voltage transmission line, one end of the power plant (power), the other end of the number of users in the use of electricity, of course, the current
- Q:Main equipment of high voltage direct current transmission
- Converter also known as converter valve is the key equipment in the converter station, its function is to achieve rectification and inverter
- Q:An introduction to the interpretation of flexible AC transmission systems
- synchronous compensator (STATCOM), reactive power distribution is mainly used to improve the system, to adjust voltage and improve the voltage stability of the system;
- Q:What is the transmission line, what is the power distribution equipment
- Distribution equipment is generally referred to as the distribution lines and distribution substations (usually 35kV and below).
- Q:Transmission system and distribution system
- Simply put, you can distinguish between the end of the cable to the use of electrical equipment (motor, power box) is the distribution system to the substation, transformer is the transmission system
- Q:Power distribution equipment should be prepared before the blackout?
- Before the power failure, the person in charge or the electrical appliance technician should fill in the work order.
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36kV 1250A Outdoor disconnect switch with earth, manual type, porcelain insulator
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 400 unit/month
OKorder Service Pledge
OKorder Financial Service
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