145kv high voltage three-phase disconnector for Substation

FOB Reference Price:Get Latest Price
US $5,000-10,000 / Set | 10 Set/Sets Disconnector (Min. Order)
Supply Ability:
1000 Set/Sets per Year Disconnector
Port:
Tianjin
Report Suspicious Activity
Overview
Quick Details
Place of Origin:
Beijing, China (Mainland)
Brand Name:
Daelim
Model Number:
GW7-145
Max. Current:
2000, 2500, 3150, 4000
Max. Voltage:
145kv
type:
disconnector
rated power frequency::
50/60Hz
rated short-time withstand current::
50 63kA
Rated short-time withstand duration:
3s
Earthquake::
≤ 8 degree
Ambient temperature::
-40℃ ~+40℃
Certificate:
ISO9001
Function:
Momentary
Mechanical Life:
10000 Times
Material:
Ceramic
Packaging & Delivery
Packaging Details
package details:standard international package ,proper for any special customer air or sea requirements ,one set one case
Delivery Time
50days

145kv high voltage three-phase disconnector for Substation

Product Description

 

1), product classification

 

Voltage level: 126kV, 145kV, 170kV, 252kV, 363kV, 420kV, 550kV.

 

Current level: 2000A, 3150A, 4000A, 5000A

 

Auxiliary earthing switch type: None earthing switch, left earthing switch, right earthing switch, double earthing switch.

 

2), Main Technical Specifications

Technical Specifications GW7-126GW7-145GW7-170
Rated voltage kV 126145170
The rated current A 2000, 3150, 40002000, 3150, 4000, 5000
DisconnectorRated peak withstand current kA125125,160
Rated short-time withstand current (RMS)kA505050,63
Rated short circuit duration s333
Grounding switchRated peak withstand current kA125125125,160
Rated short-time withstand current (RMS)kA505050,63
Rated short circuit duration s333
Rated short-time power frequency withstand voltage (RMS) kVto earth230275325
across isolating point230+70315375
Rated lightning impulse withstand voltage (peak) kVto earth550650750
across isolating point550+100750860
open and close busbar for current transferopen and close current A250025002500
transfer voltage V400400400
open and close times100100100
open and close low currentcapacitance current A112
inductance current A 0.50.51
Radio interference level less than 500 μv
Mechanical life  300030003000
rated terminal static mechanic load Nlongitudinal level125015001500
Horizontal level75010001000
Vertical force10012501250
rated contact area mmLongitudinal displacement350350350
horizontal displacement350350350
Vertical displacement300300300
All applied in an altitude of 2000m 

 

Technical Specifications GW7-252GW7-363GW7-420GW7-550
Rated voltage kV 252363420550
The rated current A 2000, 3150, 4000, 50002000, 3150, 4000, 50003150, 4000,5000
DisconnectorRated peak withstand current kA125, 160125, 160125, 160125, 160
Rated short-time withstand current (RMS)kA50, 6350, 6350, 6350, 63
Rated short circuit duration s3333
Grounding switchRated peak withstand current kA125, 160125, 160125, 160125, 160
Rated short-time withstand current (RMS)kA50, 6350, 6350, 6350, 63
Rated short circuit duration s3333
Rated short-time power frequency withstand voltage (RMS) kVto earth460510520740
across isolating point460+145510+210610740+315
Rated lightning impulse withstand voltage (peak) kVto earth1050117514251675
across isolating point1050+2001175+2951425+2401675+450
Rated operation impulse withstand voltage(peak) kVto earthnone95010501300
across isolating pointnone850+295900+3451175+450
open and close busbar for current transferopen and close current A2500
transfer voltage V427
open and close times100
open and close low currentcapacitance current A2
inductance current A 1
Radio interference level less than 500 μv
Mechanical life  3000
rated terminal static mechanic load Nlongitudinal level2000250040004000
Horizontal level1500200020002000
Vertical force1250150020002000
rated contact area mmLongitudinal displacement500500600600
horizontal displacement500500600600
Vertical displacement450450500500
All applied in an altitude of 2000m

 

Packaging & Shipping

 

 

trade show

 

 

FAQ

1.Why choice us Daelim

After compare quality,delivery and price you will find out answer

 

2. Is that possible to be one of distributor of Daelim in my country

Yes,once you action is fast enough

 

3,More question......

Feel free to contact you you will get immediately reply

 

 

Certification

 

Substation

 

Contract Information