Pole Top Switch
- Company Name:EN Technologies Inc.
- Membership:Free Member
- Member Since:2007. 08.31
- Country/Region:Korea
- City:Gyeonggi-do
- Contact:Yang-gyun Kim
- Related Keywords:pole top switch
EN Technologies Inc.
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Contact us
EN Technologies Inc.
[Korea]
- Address
- 102-1101, SK Ventium, 522, Dangjeong-dong Gunpo-si Gyeonggi-do
- Phone
- 82-2-4203810
- Contact name
- Yang-gyun Kim
Quick Information
- Model Number : EN EPS(KPS) series
Description
Typical uses
- Overhead distribution line
Feature
- Counter of operation times
- Front and bottom On/OFF indicator
- Pressure gauge
Safety
- Hermetically sealed enclosure
- Overpressure relief device
- Manual locking device
- Low gas presure interlock device
- Easy installstion and operation
Highly Reliability
- At atmospheric gas pressure, it ensure the rated insulation and interruption
capabilities.
- Pure puffer techniques, no leakage current path between open contacts.
- Switchgear vessel made of stainless steel
- Double sealing techniques with EPDM rubber
- Maintenance-free concept
- SF6 gas insulation and interruption.
- Climate-independent
- Simple operating mechanism
Controller
- Close/open
- Lock/Unlock
- Local/Remote
- Voltage/Current measuring and auxiliary contacts for FRTU
- Rechargeable battery with the charger
Specification
|
Item
|
EPS
|
KPS
|
|
Ambient temperature
|
-25~70°C
|
-25~70°C
|
|
Relative humidity
|
0~100%
|
0~100%
|
|
Maximum altitude
|
2000m
|
2000m
|
|
Rated voltage
|
12kV
|
25.8kV
|
|
Rated frequency
|
50Hz
|
60Hz
|
| Mechanical endurance | ||
|
Switch manual
|
5,000CO
|
5,000CO
|
| Dielectric tests | ||
|
Lighting impulse
|
85/95kV
|
150kV
|
|
Power frequency 1mm
|
42/49kV
|
60kV
|
| Short-circuit tests | ||
|
Main circuit switch
|
25kA/2sec
|
12.5kA/1sec
|
| Make-break tests | ||
|
Active load
|
630A
|
630A/200CO
|
|
Closed loop
|
630A
|
630A
|
|
Cable charging
|
25A
|
25A
|
|
Line charging
|
2.5A
|
1.5A
|
|
Earthing fault
|
30A
|
-
|
| Making tests | ||
|
Switch
|
63kA peak, 2C
|
32.5kA peak, 5C |
| Temperature rise test | ||
|
Main circuit/switch
|
630A
|
630A
|
| Mechanical operating tests | ||
|
Gas leak rate
|
Less than 0.1% per year
|
Less than 1 x 10-5cc/s
|
|
Rated filling pressure
|
0.7kgG/cm2
|
1.0kgG/cm2
|
| Protection class | ||
|
Tank
|
IP67
|
IP67
|
|
Fuse Door, Cable box
|
IP33
|
-
|
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