Outdoor Air Switches

Selection on Basis of Switch Types

Table 5 – Switch Application

Switch Mounting Position

Available Interrupting Attachments

Ratings

Switch Type

IEEE Designation

Voltage, kV

Continuous Current, Amperes

Maximum Design

Nominal

Type

Ratings, kV

8.25 - 245 9 9 9 Upright Vertical

Inverted

Arcing Horns Arcing Horns

8.3 - 170 7.2 - 161 600 - 5000

1 Vertical

362 - 800 9

TTR6

245 & 362 230 & 345 1200 - 5000 Arc Restrictors

8.25 - 145 9 9 9

550 & 800 500 & 765 2000 - 4000

38 - 245

Vacuum Interrupters

9

2 Double End 2A Double End VEE 4 Side

Arcing Horns Arcing Horns Arc Restrictors Arc Restrictors Arcing Horns Arcing Horns

7.25 - 169 9 9 9 245 - 362 9 9 9 72.5 - 245 9 9 9 7.25 - 169 9 9 9 245 - 362 9 9 9 72.5 - 245 9 9 9 8.25 - 145 9 9 8.25 - 145 9 9 9 38 - 72.5 9 9 9 8.25 - 245 9 9 9

TTT7 72.5 - 550 69 - 500 2000 - 5000

TTT7-V

72.5 - 550 69 - 500 2000 - 5000

Arcing Horns Arc restrictor Vacuum Interrupters

A7

8.3 - 145 7.2 - 138 600 - 1600

8.3 - 245 7.2 - 230 600 - 3000 Arcing Horns

DR7 DR9

5 Center 6 Grounding 7 Grounding

362

345

3000 Arcing Horns

362

9

100, 120 kA Momentary 40, 61, 70 kA Momentary

AG7

8.3 - 245 7.2 - 230

None

9 9

9

None

AG8 121 - 245 115 - 230

9 9 9

8.25 - 245 9 9 9 8.25 - 145 9 9 9 8.25 - 245 9 8.25 - 245 9 9 9 8.25 - 145 9 9 9 8.25 - 245 9 9 9

Arcing Horns Arc Restrictor Vacuum Interrupters Arcing Horns Arc Restrictor Vacuum Interrupters

TTR8

8.3- 362 7.2 - 345 600 - 3000

9 Vertical Reach 10 Center VEE 8 Vertical 8A Vertical VEE

8.3 - 245 7.2 - 230 600 - 3000

TTR8-V

121 - 169 115 - 161 1200 - 4000

VT2

None

9

242 - 800 230 - 765 2000 - 4000

48.3 - 169 9 9 9

Arcing Horns

DRV 25.8 - 170 23 - 161

600 - 3000

Arc Restrictors

48.3 - 145

9

9

8.25 - 123 9 9 9 8.25 - 123 9 9 9 8.25 - 245 9 9 9 8.25 - 145 9 9 9

8.3 - 123 7.2 - 115 600 - 1200 Arcing Horns

11 Vertical

Arcing Horns Arc Restrictors Arc Restrictors

FAS3

8.3 - 245 7.2 - 230

2000

9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9

15.5 - 72.5 15 - 69

1200 Arcing Horns

15.5 - 72.5

12 Center VEE 13 Center 14 Side 15 Grounding

FAS2V

38 - 245

38 - 245 34.5 - 230 2000 Arcing Horns

15.5 - 72.5 15 - 69 15.5 - 72.5 15 - 69 8.3 - 145 7.2 - 138 8.3 - 145 7.2 - 138

1200 2000 1200 2000

Arcing Horns

15.5 - 72.5

FAS2

FAS4

Arcing Horns

8.25 - 145

40, 61, 70 kA Momentary

None

FAS-GRD 8.3 - 145 7.2 - 138

9

9 9

4