www.entek.kr

EN TECHNOLOGIES

Catalog No. ENP T101.C4

PRODUCT LIST

Executive SummaryEN Technologies (“EN”) is leading supplier of medium voltage circuit switchgear in the electricity industry ,

Korea and operates two factories and one R&D center in Korea.

EN has been official supplier for KEPCO(Korea Electric Power corporation . www.kepco.co.kr) EN was awarded in 2007 by “KEPCO”

as most innovative electricity venture and EN was selected as Technical Innovation Company

from Small and Medium Business Administration in Korea. The Company has achieved ISO 9001 and CE-mark certification.

EN has product line of medium voltage (10~38 KV) power switchgear, gas insulated multiple circuit breaker and load breaker

which are used to ensure safety in the power distribution line. The Company has developed 25.8kV GIS(“Gas Insulated Switchgear”)

and 72.5kV, and 170kV classes are under development.

EN has been qualified for rigorous product certification test by international standard (IEC)

at Korea Electric Research Institute(www.keri.re.kr) and China Electric Power Research Institute (www.epri.ac.cn ).

EN Technologies Inc. is concentrating our best and sincere energies on electricity industry in order to make our customer happy.

We always believe in “ Customer first”.

History

– Achieved Green Technology Certification from [Ministry of Land, Transport and Maritime Affairs]

– Selected as an Export Promising Small and Medium Business (Gyeonggi Small and Medium Business Administration Export Support)

– Selected as a Innovative Electric Power Venture Company (Korea Electric Power Corporation No.2007-32)

– Selected as a Inno-Biz (Small and Medium Business Administration No.7061-988)

– Certified as Superior Technology Company by the Kibo Technology Fund(www.kibo.co.kr)

– Achieved the ISO 9001 Certificate (QMS-2128) Established the Beijing branch office

– KPS(pole-top load switchgear) certified and registered as authorized product at Korea Electric Power Corporation

– CEPRI Certificate for RMU(Ring Main Unit) by China Electronic Science Researches

– KRS(load switchgear for underground) certified and registered as authorized product at Korea Electric Power Corporation

– CEPRI Certificate for EPS(Pole-top load switchgear) by China Electronic Science Researches

– KRC(multi-circuit breaker) certified and registered as authorized product at Korea Electric Power Corporation

2009

– Single PPM Certificate Achievement (Small and Medium Business Administration. 1-07-2-1658)

– Achieve 72.5kV Gas Insulated Switchgear order from Korea Rail Network Authority (ebid.krnetwork.or.kr)

– Developed 72.5kV Gas Insulated Switchgear and qualified qualified tender in Korea Rail Network Authority

– Established R&D center certified by Korea Industrial Technology Association(www.koita.or.kr ), certification no. 20041678

– Nominated as World Class Company[Small and Medium Business Corporation]

– EN Technologies Inc. was established (www.entech.biz)

2004

2003

2008

2007

– CEO received Presidential Award at 2010 Entrepreneur Festival

2011

– Expanded factory of Power Distribution BU to $40M capacity

– E P R Test performed and qualified by EPRI(Energy Power Research Institute)

– Nominated as Great Performed Vendor from KEPCO

– Certified as Venture Company (new technology company) by Small & Medium Business Administration, Reg. no. 41625231-1-00656.

2005 – CEPRI Certificate for RMF(Ring Main Unit with fuse) by China Electronic Science Researches

2006

– 10 Milion Dollar Export Award [The Korea International Trade Association]

– Nominated as Global Leading Product from [Ministry of Knowledge Economic]

2010

– Successful Business achievement from Korea Technology Finance Corp

2013 – Selected as a Good Design Selection (Korean Institute of Design Promotion)

– Registered Smart Grid Business(Ministry of Trade, Industry & Energy)

2014 – Venture business achievement(Venture Capital Association)

Certifications

TEST REPORTS [KERI] ACHIEVEMENTS TEST REPORTS [CEPRI] ACHIEVEMENTS

One-KEPCO Exporting Business GroupISO 9001 Certified ISO 14001 Certified

EN RM series(Ring Main module)Simple indoor substation, customer transfer substations and distribution substationsIndustrial plants and underground stations

Highly Reliability● Maintenance-free concept● Pure puffer techniques, no leakage current path between open contacts.● Switchgear vessel made of stainless steel● SF6 gas insulation and interruption.● At atmospheric gas pressure, it ensures the rated insulation and interruption capabilities.● Sealed pressure system

Extensible Design● Individual CB and LBS modules can be any combination● All modules are same size except user's requirment and under request● Gas work not require to extend● 2 types of extension, top side and side extension

Safety● Safe-to-touch and hermetically sealed enclosure● Overpressure relief device● Pad lock● Easy installstion and operation

Controller● Close/open● Local/Remote● Voltage/Current measuring and signals for FRTU● Rechargeable battery with the charger

Relay● DSP, micro-processor based relay

● Fault indicator

PAC-E102

EN 155S

EN 255R

SCS Multy-Way type

Overcurrent relay

3

S Modular type

Self powered relay

Dual overcurrent relay

C

Circuit-breaker feeder - Type C

C Module S Module DS Module

4

Ambient temperature

Relative humidity

Rated current (Main/T-100) 630, 1250A / 200, 630, 1250A

Rated frequency

Dielectric tests

Maximum altitude

Rated voltage 15kV 27kV

Lighting impulse 85/95㎸ 125kV

Power frequency 1min 42/49㎸ 60㎸

1,000CO 1,000CO

Mechanical endurance

Circuit Breaker 10,000CO 10,000CO

Disconnect Switch 1,000CO 1,000CO

T10 O-0.3s CO-180s-CO

T30 O-0.3s CO-180s-CO

Short-circuit tests

Short-circuit tests 20㎄ 1sec

Temperature rise test 630A, 1250A

T60 O-0.3s CO-180s-CO

T100s O-0.3s CO-180s-CO

Double Earthing fault O

Gas

Leak rate

Rated filling pressure

T100a O, O, O

Specification

630, 1250A / 200, 630A

85/95㎸ 125kV

42/49㎸ 60㎸

15kV 27kV

16kA 3sec 16㎄ 3sec

Less than 0.1% per year

0.05 Mpa

630A, 1250A

15kV 27kV

630, 1250A / 630, 1250A

2000m

5,000CO 5,000CO

1,000CO 1,000CO

42/49㎸ 60㎸

1,000CO 1,000CO

50/60Hz

85/95㎸ 125kV

Item CB LBS DS-25 ~ 70℃

0 ~ 95%

Dimension

Dimension Extension

Extension

5

S C SCS

Dimension of Each Module

Height mm 1450Depth mm 850Width mm 400Weight kg 200

EN RMC series(Compact Type Ring Main Unit)Self stand type outdoor substation, customer transfer substations and distribution substationsIndustrial plants and underground stations

Highly ReliabilityMaintenance-free conceptPure puffer techniques, no leakage current path between open contacts.Switchgear vessel made of stainless steelSF6 gas insulation and vacuum interruption.Assurance of insulation and interruption at atmospheric gas pressure.Sealed pressure systemSelf Stand and Outdoor Usage

SafetySafe-to-touch and hermetically sealed enclosureOverpressure relief devicePad lockEasy installstion and operation

ControllerClose/openLock/UnlockLocal/RemoteVoltage/Current measuring and signals for FRTURechargeable battery with the charger

RelayDSP, μ-processor based relayFault indicator

EN 155S Relay

PAC-E100

EN 255R RelayTemperature rise test

+SVS+

SPECIFICATIONS

Ambient temperature -25 ~ 70℃Relative humidity 0 ~ 95%Maximum altitude 2000mRated voltage 17.5kVRated frequency 50/60HzMechanical endurance

Circuit Breaker M1 (1000 CO)Self powered relay Switch M1 (1000 CO)

Earthing Switch M1 (1000 CO)Dielectric tests

Lighting impulse 95kV/110kVPower frequency 1min 38kV

Short-circuit testsMain circuit switch 21kA/3secCircuit Breaker 21kA/3sec

Overcurrent relay Internal Arc RatingFreestanding 21kA/1 sec

6

IP Class IP54

Main circuit switch 630AGas leak test

Leak rate Less than 0.1% per yearRated filling pressure 0.04 Mpa

Dual overcurrent relay

Configuration

'+SVS+ both side extensible SVS non extensible

'+SS+ both side extensible '+V+ both side extensible

'SVS' , '+SVS+' , '+V+' , '+SS+' modules be provided where,S - Ring Switch(Load Breaker Switch)

V - Vacuum Circuit Breaker (with Disconnector on the bushing side)

''+' symbol represents extensibility option.

7

Structure

Top View Extension Units

8

EN RMC series(Ring Main Circuit breaker)Simple outdoor substation, customer transfer substations and distribution substationsIndustrial plants and underground stations

Highly ReliabilityMaintenance-free conceptPure puffer techniques, no leakage current path between open contacts.Switchgear vessel made of stainless steelSF6 gas insulation and interruption.At atmospheric gas pressure, it ensures the rated insulation and interruption capabilities.Sealed pressure system

SafetySafe-to-touch and hermetically sealed enclosureOverpressure relief devicePad lockEasy installstion and operation

ControllerClose/openLock/UnlockLocal/RemoteVoltage/Current measuring and signals for FRTURechargeable battery with the charger

RelayDSP, μ-processor based relayFault indicator

EN 155S Relay

PAC-E100

EN 255R Relay

9

5,000CO 1,000CO

Rated voltageRated frequency

12kV 27kV

10,000CO 2000COSwitch

T10

1,000CO

0.04 Mpa

25㎄ 2sec

Earthing Switch 1,000CO

Gas leak test

Main circuit switch20㎄ 4sec

Ambient temperature -25 ~ 70℃Relative humidity 0 ~ 95%Maximum altitude

Mechanical endurance50/60Hz

2000m

Dielectric tests

60kV

Circuit Breaker

25kA 1sec

Less than 0.1% per yearRated filling pressure

Earthing fault O-0.3s CO-180s-CO / 1time

Temperature rise testMain circuit switch

T100a

630A

20kA 1sec

Lighting impulse 85/95㎸ 125kVPower frequency 1min

Short-circuit tests

O-0.3s CO-180s-CO / 1time

Circuit Breaker

Dual overcurrent relay

Overcurrent relay

Self powered relay

O-0.3s CO-180s-CO / 1time

T100s O-0.3s CO-180s-CO / 2times

O/3times

T30 O-0.3s CO-180s-CO / 1time

T60

SPECIFICATIONS

With DS type

Without DS type

Leak rate

O/10times, CO/11times

42/49㎸

Dimension

RMC (with DS)

Double cable compartment cover

RMC (without DS)

Double cable compartment cover

BASE

unit: mm

10

23506-way5-way

835

A

154719271970

A

925

925

1570

835

B

1167

2307

787

1520

A830

12101590

RMC2-way3-way4-way

EN RMF series(Ring Main Fuse-switch combination)Simple outdoor substation, customer transfer substations and distribution substationsIndustrial plants and underground stations

Highly ReliabilityPure puffer techniques, no leakage current path between open contacts.At atmospheric gas pressure, it ensures the rated insulation and interruption capabilities.Switchgear vessel made of stainless steelMaintenance-free conceptSF6 gas insulation and interruption.Sealed pressure system(above 30 years)Climate-independent

SafetyOperation interlock with manual shutterSafe-to-touch and hermetically sealed enclosureHV parts are only accessible when outgoing feeders are earthedOverpressure relief deviceThe speed of close/open is independent of the speed of lever movement.Pad lockEasy installstion and operation

11

Rated filling pressure

Fuse Door, Cable box

Cable charging

Making tests

Type: RMF 230M(2 Fused switches and 3 Ring switches)

Type: RMF 201M(2 Fused switches and 1 dummy)

Tank IP67

Leak rate Less than 0.1% per year

Protection class

IP3X

Fuse-switch combination 31.5kATemperature rise test

Main circuit switch 630AFuse-switch combination 125A

Gas leak test

25ALine charging 2.5AEarthing fault 30ATransfer current 1550A 1250A

Switch 63㎄ peak, 5C

Short-circuit testsMain circuit switch 25㎄ 2sec 25kA 1secEarthing Switch 25㎄ 1sec 25kA 1sec

Make-break testsActive load 630A/100COClosed loop 630A

Power frequency 1min 42/49㎸ 50/60kV

Mechanical enduranceSwitch 5000COEarthing Switch 1000CO

50/60Hz

Maximum altitude 2000m

Dielectric testsLighting impulse 85/95㎸ 125/145kV

Rated frequencyRated voltage

SPECIFICATIONS

RMF control(auto type only)

Relative humidity

Type: RMF 040M

15kV 27kV

0 ~ 95%Ambient temperature -25 ~ 70℃

0.04 Mpa

Dimension

Fuse-switch combination

Double cover

Single cable compartment cover

Switch only(manual type)

Double cover

Single cable compartment cover

BASE

unit: mm

C: sigle cable compartment coverC": double cable compartment cover 12

A

A

1500

1260

860

RMF A

74811281508

B C C'

720 880

2-way

6-way

7881168154819282308

18882268

700

720 880

3-way4-way5-way

EN MPS series( Eco-Friendly Solid Pole mounted switch)

FeatureEcofriendly product applied solid insulation and Vacuum Interrupter without use of SF6 GasAs use of Polymer insulation type, There are no need of detect or suppliment for gas leakage all the time.Continous maintenance for insulating material is not necessary.

SafetyImprove insulation function by applying compound insulation technical skill using of eco friendly insulation vehicleAvoid danger of tank explosion stemmed from inner arc

Avoid danger of fire and explosion stemmed from gas leakage

Highly Reliability and Trouble FreeSwitchgear vessel made of stainless steelMaintenance-free conceptWithout gas leakage mornitoring device and gas release device.Climate-independentSimple operating mechanism

13

Lighting impulse 150㎸

Rated frequency

Ambient temperature -30~50℃

SPECIFICATIONS

Insulation Vehicle Epoxy/SiliconMaximum altitude 1000mRated voltage 24kV

Short-circuit tests

Main circuit 16㎄/1sec

50/60HzMechanical endurance

No-load voltage 5000 CO

Dielectric tests

Make-break tests

Active load 630A

Closed loop 630A

KSC 4511,ANSI C37.71 , IEC 62271-103KEPCO std. GS-5925-0139(2011.10.02)

60㎸

Cable charging 16A 25A

Line charging 1.5A

Applied standard

Rated Control Voltage DC 24V, AC 220V

Rated Making Current 41.6kA(peak,5times)

Power frequency

This Switchgear is ecofriendly product used for 24kV aerial line and compound distribution line purpose.Improve reliability of barrier properties as using of polymer, solid insulation type , and Vacuum interrupter for blocking part.

EN KPS series(Pole mounted switch)Overhead distribution line

FeatureCounter of operation timesFront and bottom On/OFF indicatorPressure gauge

SafetyHermetically sealed enclosureOverpressure relief deviceManual locking deviceLow gas pressure interlock deviceEasy installstion and operation

Highly ReliabilitySwitchgear vessel made of stainless steelDouble sealing techniques with EPDM rubberMaintenance-free conceptSF6 gas insulation and interruption.Climate-independentSimple operating mechanismAt atmospheric gas pressure, it ensure the rated insulation and interruption capabilities.Pure puffer techniques, no leakage current path between open contacts.

* Total weight of Main Unit only : Less than 130 kg 14

Gas leak test

Protection class

Earthing fault

63㎄ peak, 3C 52㎄ peak, 3C

IP67

Front view [KPS-260A]

Temperature rise testMain circuit 630A

Less than 0.1% per year0.1 Mpa

Front view [KPS-260M]

25ACable charging

Dielectric tests85/95㎸

Gas leak test

630A

Make-break tests

Power frequency

Rated frequency

Relative humidityMaximum altitude

150㎸Lighting impulse

Mechanical enduranceSwitch 5000CO

Line charging

Active load Closed loop

2.5A

Switch

2000m

Short-circuit tests42/49㎸

Making tests30A

60㎸

25㎄/2sec 20㎄/1sec

630A

Tank

Rated filling pressure

50/60Hz

Main circuit

Ambient temperature -25 ~ 70℃

Rated voltage

0 ~ 100%

12kV 27kV

SPECIFICATIONS

Bushing & Terminal LBS control cubicle

Dimension Mounting

unit: mm

unit: mmC

890

F

230

G

260

C D

Specified values 1012 2000 380

Measured points A B

485

Porcelain bushing+

Moldcone lead

Porcelain bushing+

NEMA terminal

Epoxy bushing+

NEMA terminal

E

Specified values 650 450 250

15

Measured points A B

EN ERC(Sf6)/ESR(Solid) Automatic Recloser Reclosers are used on overhead distribution systems to detect and interrupt momentary faults within short period of time and re-close back to avoid black out and also to avoid major failure of power line to be spread.

FeaturePMABottom On/OFF indicatorPressure gauge(Gas type only)

SafetyHermetically sealed enclosureOverpressure relief device(Gas type only)Manual tripping/locking deviceLow gas pressure interlock device(Gas Only)Easy installation and operation

Highly ReliabilitySwitchgear vessel made of stainless steelMaintenance-free conceptSF6 gas insulation and Solid Dielectric insulationClimate-independentSimple operating PMAAt atmospheric gas pressure, it ensure the rated insulation and interruption capabilities.

16

Norminal frequency Rated continuous current Short time withstand current

Fault break capacity 12.5 / 16kA

Phase to Phase Phase to earth

15kV 38kV Maximum system Voltage

630 / 800A 12.5 / 16kA

50 / 60 Hz

Fault make capacity (RMS)

SPECIFICATIONS

Fault make capacity (Peak) Operating time (Close/Open)

27kV

Line charging switching 2A 5A

Mechanical endurance

12.5 / 16kA

Breaking capacity Load switching

12.5 / 16kA 32.5 / 41.6kA 32.5 / 41.6kA

12.5 / 16kA

40A 25A12.5 / 16kA

10000 10000 10000

25A 12.5 / 16kA

630A5A

630 / 800A 630 / 800A

Lightning impulse withstand level

Phase to Phase 50kV

Power frequency withstand voltage

10A Cable charging switching

70kV

170kV

70kV 60kV 60kV

Across interrupter

Phase Fault pick up

50kV 70kV

110kV 170kV

10 ~ 900A (step:1)

3 ~ 180s (step:1) Reclose interval 4th

Reset time

Earth

Reclose interval 1st

Reclose interval 2nd

Reclosing

Reclose interval 3rd

5 ~ 900A (step:1)

0.3 ~ 180s (step:0.1) 1 ~ 180s (step:1) 1 ~ 180s (step:1) 1 ~ 180s (step:1)

Phase to earth 50kV

5A

630 / 800A

110kV 170kV Across interrupter 110kV

60kV

50kV50kV50kV

150kV 150kV 150kV

125kV125kV125kV

16kA

32.5 / 41.6kA0.1 / 0.05s

630 / 800A

630A16kA16kA

41.6kA

630 / 800A 12.5 / 16kA 12.5 / 16kA

24kV(Soid)

Protection Recloser controlFault passage indicator▶ 3-stage over current protection (directional or non-directional) 1. LCD DISPLAY

- Fast and delayed TC trip elements for phase and earth fault 2. FTU STATUS

- Definite time over-current element 3.BUTTONS

- Definite time HCT (High current trip) 4. SERIAL PORT

▶ SEF(Sensitive earth fault) detection 5. COMMUNICATION LED

▶ Cold load protection(pickup adjustment) 6. BATTERY/LAMP TEST

▶ Magnetizing inrush restraints 7. RESET BUTTON

▶ Sequence coordination 8. FUNCTION LED

▶ Open line detection▶ Phase sync. fail detection▶ Over voltage, under voltage, under /over frequency▶ Auto reclosing (up to 4 shots)

Dimension Mounting

unit: mm

unit: mm

17

585 480 270 270 10901295

15kV 680 585 480 270 270 99027kV 680

F

Rated voltage A B

38kV 750 665 560 350 350

15/27/38kV

9. RECLOSE/PROTECTION/GROUNDENABLE BUTTONS AND LEDS

10. REMOTE/CONTROL LOCKBUTTONS AND LEDS

11. SELECT/OPEN/CLOSE BUTTONSAND LEDS

Rated voltage A B C D E

C

800 450 275

OPEN LOCK

800A

ST R24kV RECLOSER

F

ED

C

B

A

Type : EN ERC-280 -P

Ser ial No : ERC-00 01

Man ufa ctu re Date : 20 . . .

Ra ted Volta ge : AC 22 0V

We ight : 50 kg

EN Technolog ies Inc.

27kV RECLOSER

DC 2 4V

B

A

C

Dimension Mounting

unit: mm

unit: mm

18

260

Rated voltage A B C

15/27/38kV 800 450

340

275

38kV 390 757 340 1010 290

F

22027kV 340 535 280 900 290 22015kV

D E

535 280 900 290

Rated voltage A B C

Type : EN ERC-280 -P

Ser ial No : ERC-00 01

Man ufa ctu re Date : 20 . . .

Ra ted Volta ge : AC 22 0V

We ight : 50 kg

EN Technolog ies Inc.

27kV RECLOSER

DC 2 4V

B

A

C

EN GIS series(25.8kV Gas Insulated Switchgear)All-in-one Compact Gas Insulated Switchgear combining Circuit Breaker, Disconnecting Switch, and Earthing Switch by using SF6 gasfor unification of Metal Enclosed Distribution Panel and making higher

FeaturesAcheive safety through hermetically sealed SF6 gasPrevention operator from mal-operation ( mechanical, electrical interlock) Indicator for applying electric current, operation status (voltage detector) Equipped the pressure relief device for inner breakdownPrevention from trouble expansion into individual gas section Extend service life and safety applying patented circuit breaker

Highly ReliabilityAchieve equipment reliability using Vacuum nterrupterOutstanding accuracy based on digital relay and metaApply three dimensions structural analysis and electric field analysis technique

SafetySecurment of stability for complete sealed type of live part Protection from operator mal-operation (technical, electrical interlock)Satisfy securing device against internal breakdownProtection from fault expansion by each gas division

Econmic&PracticalityMinimization of installation area (lower30%)Convenience of Maintenance by modulation of indivisual PanelEasy transport and installation by laying out light weight and compact design

Note.1 : EN-TGIS-AL06 power circuit supply voltage is AC220V, and operation circuit supply voltage is DC24V. Note.2 : withstand voltage dimension in bracket is same with DS(Disconnecting Switch) figure between poles. Note 3 : ( ) is an optional under cutomers request and requirement19

Rated short time withstand current RMS (kA/sec) Peak (kAp)

EN-TGIS-AL06

Partial discharge extinction voltageImpulse withstand voltage (kV)

EN-TGIS-L06

Standard Construction of EN-TGIS Series

Single Line Diagram

3PH50/60

EN-TGIS-C12 EN-TGIS-C06

Phase to ground (pC)

50/60 50/603PH

50/60 50/60

630

EN-TGIS-MP06

25.8 25.8630(1250) 630(1250) 1250(2000)

50 70 70(77)

25.8 25.8 25.8

70(77) 70(77)

SPECIFICATIONSPANELRated voltage (kV)Rated current (A)Circuit configurationRated frequency (Hz)Rated power frequency withstand voltage (kV)

3PH630(1250)

≤10

16/1 25/1 25/1 25/1 25/1

≤10 ≤10

0.05 0.05

150 150 150(165)

Rated gas pressure -at 20℃ (MPa∙G)Rated minimum gas pressure -at 20℃ (MPa∙G) 0.03 0.03

1100.03

Note.1 110

0.0565

150(165) 150(165)

110IP4X IP4X IP4X IP4X

Operation voltage of control circuit (Vd.c.)International Protection

0.05

≤10

3PH 3PH

65 650.05

41.6

0.03 0.03110

IP4X

65

≤10

Structure and Feature of EN-TGIS Series

EN-TGIS-AL06 EN-TGIS-L06About ALTS (Automatic Load Transfer Switches) About LBS (Load Break Switch)

EN-TGIS-MP06 EN-TGIS-C06About MOF(Metering Out Feet)+PT(Potential Transformer) About OUTGOING (Feeder VCB)

EN-TGIS-C12About INCOMMING (Main VCB) INCOMMING (Main VCB)

Option

1. Cable Connecting MethodT-Connector (630A)Plug Termination (1250A/630A)

2. Docking typeSpacer (necessity of gas site operation)Plug-in (needless of gas site operation)

3. Form of bus bar is capable of change to user's request

20

1200

12001200500 500

500

22002200

2200

1200

2200

600 1200 500

2200

EN GIS series(72.5kv Gas Insulated Switchgear)

FeaturesMulti switching device using SF6 Gas filled sealed metalize enclosure which contain CB, DS and ES. Minimized installing area Main protection system for power line of Railroad application High reliability by using SF6 Gas completely sealed enclosureHigh safety with No Power Out or fault by contact Bus bar contained by metal sealLocal Control Panel and Open/Close indicator provided

21

50 / 60Hz

Earth 50.2kV, below 5pc

Short time current Rated frequency

Lighting impulse 1s Duration

Relative humidity

Rated voltage 72.5kV

SPECIFICATIONS

Breaking type SF6 gas

Operation system Motorized Spring type Ambient temperature -25 ~ 40℃

Peak Dielectric tests

R.M.S 20㎄

52㎄p

Breaking current 20 kA , rms

Rated current 2000A

Making current 52 kA , Peak

Breaking time 3 Cycle

2kV / 1 min

Phase

Power frequency 1min - Control

0 ~ 95%

Maximum altitude 2000m

325 / 375 kV

Power frequency 1min - Switch 140 / 160kV

Partial Discharge

87kV, below 5pc

Summary of the EN technologies productsUnderground Line RMU series

RMC Series RMF Series RM Series

Overhead Line Pole mounted series

KPS(EPS) series MPS MPS Series ERC Series ESR Series

SF6 gas Load Break Switch Solid Load Break Switch SF6 Gas Automatic Circuit Recloser Solid Automatic Circuit Recloser

12kV~38kV 630A 25kA 70kV 170 BIL 12~24kV 630A 12.5kA 150 BIL 12~38kV 800A 16kA 60kV 150 BIL 24kV 630A 16kA 50kV 125 BIL

DSP, μ-processor control FRTU function DSP, μ-processor control DSP, μ-processor control DSP, μ-processor control

FRTU function FRTU function FRTU function

22

12 ~ 27kV 630A 20/25kA 125 BIL 12 ~ 27kV 630A 25kA 125 BIL

Sf6 Gas Insulation and VI interruption

Individual Circuit Breaker or Switch combination

12 ~ 27kV 630/1250A 20/25kA 125 BIL

Extensible Moduler type

Sf6 Gas Insulation and VI interruption Sf6 Gas Insulattion and interruption

Up to 6 feeders with common tank Up to 6 feeders with common tank

25.8kV 1250(2000)A 25kA 70kV 150 kV BIL

EN GIS series

72.5kV Gas Insulated Switchgear

Multi switching device using SF6 Gas filled sealed metalize enclosure

which contain CB, DS and ES

72.5kV 2000A 20kA 140kV 325kV BIL

EN GIS series

25.8kV Gas Insulated Switchgear

All-in-one Compact Gas Insulated Switchgear

combining Circuit Breaker, Disconnecting Switch, and Earthing Switch

Circuit Breaker and Switch combinati Fuse-switch and switch combination

POWER SWITCHGEAR : 682-1 Sukpo-ri, Jangan- myeon, Hwasung-si, Gyeonggi, 445-941, Korea Tel. +82. 31. 686. 8815 / Fax. +82. 31. 686. 8816 H.Q./R&D Center/Power Electronics : SK Ventium102-11F, Dangjeong-dong 522, Gunpo, Gyeonggi, 435-776, Korea Tel. +82. 31. 429. 7794 / Fax. +82. 31. 429. 7795 Seoul Office : Geumbok Bldg. 9F, Bang-yi-dong 45-2, Songpa-gu, Seoul, 138-828, Korea Tel. +82. 2. 420. 3810 / Fax. +82. 2. 420. 3820 Web site: www.entek.kr

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