EN Technologies Inc.

Ring Main Switch

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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

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Product Details

Quick Information

  • Model Number : EN KRS series

Description

Typical uses

  • Industrial plants and underground stations

Feature

  • 4 way switchgear with earthing switch
  • Counter of operation times
  • Pressure gauge

Safety

  • Safe-to-touch and hermetically sealed enclosure
  • Overpressure relief device
  • Pad lock
  • Easy installstion and operation
  • Low gas presure interlock device

Highly Reliability

  • Switchgear vessel made of stainless steel
  • Maintenance-free concept
  • SF6 gas insulation and interruption.
  • Sealed pressure system
  • Climate-independent
  • Simple operating mechanism
  • At atmospheric gas pressure, it ensure the rated insulation and interruption capabilities. KRS Controller(auto type)
  • Pure puffer techniques, no leakage current path between open contacts.

Controller

  • Close/open
  • Lock/Unlock
  • Local/Remote
  • Voltage/Current measuring and auxiliary contacts for FRTU
  • Rechargeable battery with the charger

Specification

Ambient temperature
-25~70°C
Relative humidity
0~95%
Maximum altitude
2000m
Rated voltage
25.8kV
Rated frequency
60Hz
Mechanical endurance
Switch manual
5,000CO
Earthing Switch
1,000CO
Dielectric tests
Lighting impulse
125kV
Power frequency 1mm
60kV/50kV(dry/wet)
DC withstand test
78kV/15min
Short-circuit tests
Main circuit switch
12.5kA 1sec(32.5kA peak)
Earthing Switch
12.5kA 1sec(32.5kA peak)
Make-break tests
Active load
600A, 100CO
Closed loop
600A
Cable charging
25A
Line charging
1.5A
Magnetizing
21A
Making tests
Switch
32.5kA peak, 5C
Earth
32.5kA peak, 3C
Temperature rise test
Main circuit switch
600A
Gas leak test
Gas leak rate
1 x 10-5cc/s
Rated filling pressure
0.5kgG/cm2


Product Image

  • Ring Main Switch image

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