Disconnectors and Switchers

-

1-arm Pantograph

:

COELME EGIC

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Disconnectors
 Centre Break
 Double Break
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1-arm Pantograph
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 Earthing Switches
 Operating Mechanisms
Power Switches
 Line Switcher
 CapSwitcher
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Disconnectors : 1-arm Pantograph

 Vertical Reach disconnectors are the best solution for busbar selection, since they can ensure isolation/connection directly across the vertical gap between lower and upper busbar. More than 30 years of experience in this design ensures the necessary performances and sturdiness to fulfil all possible requirements, worldwide.

This design allows easy bay maintenance since the all the switchgear and components of the line (including the disconnector itself) can be reached while the upper busbar is energized. Furthermore, the bay is more compact than with every horizontal disconnecting solution.

The 1-arm pantograph, has been proven by more than 30 years of use in EDF-RTE ( France ) and ENEL-TERNA ( Italy ). For high-end performance, the SSP gives the most compact and efficient solution, thanks to its dissociated kinematics and electrical functions.

The live parts are made of aluminium, hard drawn silver plated copper, with stainless steel hardware. The high performance rotary contacts are self cleaning and can bear thousands of cycles maintenance-free. The base frame and all steelworks are hot dip galvanised.

This product is available from 170 kV to 800 kV (BIL 2100), and up to 4000 A .

Options

• 1 integrated earthing switch

• Making and breaking of bus transfer currents up to 1600 A as per IEC 62271-102

• 10 or 20 mm of ice operation ability (according to IEC 62271-102)

• Custom HV terminals

RATED VALUES
Rated voltage Ur (kV)
170
245
300
362
420
550
800
Rated power frequency
withstand voltage
TEUd (kV)
325
395
460
380
450
520
620
830
AIDUd (kV)
375
460
530
435
520
610
800
1150
Rated lightning impulse
withstand voltage
 
950 (IEC)
      
TEUp (kV)
750
900 (ANSI)
1050
1050
1175
1425
1550
2100
 
1050
1175
1425
1550
2100
AIDUp (kV)
860
1050
1200
(+170)
(+205)
(+240)
(+315)
(+455)
Rated switching impulse
withstand voltage
TEUs (kV)
-
-
-
850
950
1050
1175
1425
 
700
800
900
900
1100
AIDUs (kV)
-
-
-
(+245)
(+295)
(+345)
(+450)
(+650)
TE : To Earth
AID : Across the Isolating Distance
Rated permanent current Ir (A)
Up to 4000 A IEC / ANSI
Rated short-time
withstand current
 Ik (kA)
Up to 63 kA / 3s
Rated peak withstand current Ip (kA)
Up to 160 kA
DIMENSIONS (mm)
A 
2335
3160
3160
3160
3770
4220
4870
5481
 B 
1900
2300
2500
2500
3120
3580
4080
5244
C+/- 200
800
800
800
800
800
800
800
800
D 
1700
2100
2300
2300
2900
3350
3850
5000
E 
1100
1735
1735
1735
2330
2580
2880
3270
E’ 
670
655
655
655
640
640
640
705
F 
800
800
800
800
800
800
800
800
H 
670
670
670
890
890
890
890
890
J 
90
90
90
90
160
160
160
160
K 
115
115
115
115
165
165
165
165
L 
516
516
516
516
855
855
855
1005
M 
320
320
320
320
410
410
410
410
N 
4(18x40)
4(20x40)
4(20x40)
4(20x40)
4(20x40)
4(20x40)
4(20x40)
4(20x40)




 



Disconnectors : 1-arm Pantograph

Disconnectors : 1-arm Pantograph

Enlarge SSP drawing
Enlarge SSP drawing