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GSecGas-insulated switch-disconnector

Product presentation

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SF6-insulated switch-disconnector

3 positions: LINE OPEN EARTHED(separate slots for opening and earthing)

Suitable for metal-enclosed secondary

distribution switchgear

(incoming/outgoing, with CB and fuses)

Safety

Lower part in stainless steel for partition

metallic (PM) classified panels

Interlocks to prevent incorrect operations

Plug&play accessories to cover a wide range

of applications

Reduced maintenance

Compact design

GSecMain feature

Month DD, Year | Slide 2

ABB Group

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GSec

Standards:

IEC 60694,

IEC 62271-102,

IEC 62271-105,

IEC 60265-1.

Operating

temperature:

-5C +40C (5)

Max installation

altitude:

3000 m (6)

Phase distance:

230mm

SF6pressure:

1,48 bar

(absolute)

(5) According to IEC 62271

(6) Ka correction factor

needed according to

62271-1

Main data and ratings


ABB Group

Electrical characteristics

Rated voltage kV 12 17,5 24

Withstand voltage (50/60 Hz, 1 min)- Phase-phase and phase-earth kV 28 38 50

- Between open contacts kV 32 45 60

Impulse withstand voltage (BIL 1.2/50 s)

- Phase-phase and phase-earth kVp 75 95 125

- Between open contacts kVp 85 110 145

Rated frequency Hz 50-60 50-60 50-60

Rated current A 800 (1) 800 (1) 630

Rated short-time withstand current kA 25(2s) (2) 20(3s) (2) (3) 16(3s) - 20(3s) (2) (3)

Rated short-time making capacity kAp 63 52,5 40 - 52,5

Breaking capacity

- Active load A 800 (1) 800 (1) 630

- No-load transformers A 16 16 16

- No-load lines A 25 25 25

- No-load cables A 50 50 50

- Ring circuit A 800 (1) 800 (1) 630

(1)up to 630A for GSec/T2

(2)

up to 16kA(3s) for GSec/T2(3)For 21 kA (3s) please contact ABB

Electrical and mechanical performance

Line electrical endurance class E3 - up to 5 makings and 100 breaking of rated current

Earth electrical endurance class E2 - up to 5 makings

Line mechanical endurance with 1S - Single spring actuator class M2 - up to 5000 mechanical operations

Line mechanical endurance with 2S - Double spring actuator class M1 - up to 1000 mechanical operations

Earth mechanical endurance class M0 - up to 1000 mechanical operations

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GSec/T1 Three positions switch disconnector

1S Single spring mechanism

Incoming/outgoing panels

Typical unitsGSec/T1 and GSec/T2


ABB Group

GSec/T2 Three positions switch disconnector

2S Double spring mechanism (stored energy)

Incoming/outgoing panels

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GSec/T2F

Three positions switch disconnector

2S Double spring mechanism

Fuse tripping system

Earthing switch with transmission

Fuse base

Fuse blown indicator

Typical unitsGSec/T2F and GSec/IB


ABB Group

GSec/IB

Three positions switch disconnector

1S Single spring mechanism

Earthing switch with transmission

For panels with removable circuit breakers

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GSecMain components and dimensions


ABB Group

In Line

Open

Earth

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Lower part in stainless steel:

PM classified (metallic partition)

No leakage currents

Maximum personnel safety

Panel classified LSC2A Compact design:

Upper part in epoxy resin

Capacitive sockets integrated in the apparatus

lower insulators

Cable connection directly to the lower bushings

Granted Sealed for life for 30 years

according to IEC 60694

Gas exhaust valve

ComponentsPower part Enclosure


ABB Group

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Components

1SSingle Spring 2SDouble Spring

Closing/

Opening

Operating energy is provided by

charging a spring (lever or motor),

which, when released, causes the

contacts to open or close

- Springs charging (with lever or motor)

- Using the stored energy for closing and

opening operations (with pushbuttons or shunts)

Speed of the

operationIndependent Independent

Manual

operation Lever Lever and pushbutton

Automatic

operationMotor Motor and coils

Earthing

switch

function

- Operating energy is provided by charging a spring (with a lever),

which, when released, causes the contacts to open or close

- Independent speed

Safety

- Separate lever insertion point for line and earth operation- Operating lever with anti-reflex function

- For motor operated actuators, in case of emergency, it is always possible to operate

manually the actuators

Note

- In combination with fuses, opening can be

triggered by the fuse striker

- Possibility to discharge springs once loaded

Actuators


ABB Group

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ComponentsActuators diagrams


ABB Group

Position of line contact (0 = open, 1 = closed)

Spring status (0% = discharged, 100% = charged)

Spring charging time

- manual operation: depend on operator

- automatic operation with motor = 3-4 s.

Tc Opening or closing time of the contact < 0,3 s.

Tclose Total closing time < 5 s.

Topen Total opening time < 5 s.

Ts1

Position of line contact (0 = open, 1 = closed)

Springs status (0% = discharged, 100% = charged)

Springs charging time

- manual operation: depend on operator

- automatic operation with motor = 3-4 s.

Tc Opening or closing time of the contact < 0,3 s.

Tclose Total closing time < 0,3 s.

Topen Total opening time < 0,3 s.

Ts2

1S

Single Spring 2S

Double Spring

timetime

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Components

1. Line operating slot

2. Earth operating slot

3. Line diagram with indicators

(mounted directly on the

operating shaft)

4. Pushbuttons (for 2S actuator)

5. Voltage indicators6. Spring charged signal

7. Fuse blown signal

Front cover


ABB Group

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ComponentsAccessories 1/4

ABB Group3th May Slide 11

Auxiliary contacts

4 line + 4 earth

Each can be a make

contact or a break contact

250 VAC - 16A

250 VDC - 0,3A

Spring charging motor

For 1S and 2S actuators

AC (50Hz): 48, 110 and 220 V

DC: 24, 48, 110 and 220 V

Voltage indicators

VPIS type

Capacitive dividers

integrated in the apparatus

bottom isolators

Possibility to perform phase

concordance

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Key locks type: standard, Ronis and Profalux

Possibility to use up to 3 padlocks

Fuse blown signaling contact

Make or break contact

In addition to the mechanical indicator

For GSec/T2F

Key locks and padlocking

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Shunt opening release (MBO)

and shunt closing release (MBC)

DC: 24, 48, 60, 110-132, 220-250

AC (50-60Hz): 48, 60, 110-127, 220-250

For GSec/T2 and /T2F

Undervoltage release (MBU)

DC: 24, 48, 60, 110-132, 220-250

AC (50Hz): 48, 60, 110-132(*), 220-250(*) For GSec/T2 and /T2F

(*) available also for 60Hz

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Temperature-compensated pressure switch Manometer

Analogic indication

Temperature-compensated scale

Possibility to have also an electrical output of

the pressure

Temperature-compensated device

Possibility to have also an electrical output of

the pressure

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