G & W Electric
ISO 9001: 2000 and 14001 Certified
Overview
Padmount Switchgear
Vault Switchgear
Overhead Switchgear
Reclosers
Automation Products
Current Limiting System Protection
Cable Accessories
Junction Bars
   
     

Three Position TRIAD Ratings

Source Load Break Switch:
Max. Voltage, kV
15.5
27
38
BIL Impulse, kV
110
125
150
Continuous, A
630
630
630
Momentary, kA asym
32
32
32
Close/Fault, kA asym (3 times)
32
32
32
One Minute Withstand, AC kV
35
60
70
15 Minute Withstand, DC kV
53
78
103
One Second Current, kA sym
20
20
20

Above tested to 2000 mechanical operations.

Vacuum Interrupter (VI) Ratings:
Max. Voltage, kV
15.5
27
38
BIL Impulse, kV
95
125
150
One Minute Withstand, AC kV
50
60
70
15 Minute Withstand, DC kV
53
78
103
Continuous, A
630
630
630
Interrupting, kA sym
12
12
12

* 20kA sym. available

Vacuum Interrupter (FI) Electrical Ratings:
Max. Voltage, kV
15.5
27
BIL Impulse, kV
110
125
One Minute Withstand, AC kV
50
60
15 Minute Withstand, DC kV
53
78
Continuous, A
630
630
Interrupting, kA sym
12.5*
12.5

*16kA available at 15kV.

Vacuum Interrupter (NI) Ratings:
Max. Voltage, kV
15.5
27
38
BIL Impulse, kV
110
125
150
One Minute Withstand, AC kV
50
60
70
15 Minute Withstand, DC kV
53
78
103
Continuous, A
630
630
630
Interrupting, kA sym*
12.5
12.5
12.5

*20kA ratings available.

 

 
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