PVI - Load Break Switching & Fault Interrupting

G&W Electric model PVI padmount switches include load break and fault interrupting capability. The fault interrupters provide electronically controlled, resettable over current protection in a totally sealed, dead front device. The PVI can be configured to provide 1-phase or 3-phase operation of the fault interrupting ways. The switches are designed for use on 3-phase systems with voltages up to 38kV, 630A load break and continuous current, with 12.5kA and 20kA symmetrical fault interrupting ratings. The PVI is one of G&W Electric’s most versatile switch styles because it can be ordered with front accessible switch operators and bushings (front access) as well front and back access switch to replace existing pad mount air gear installations.

The switches are designed to IEEE C37.72, C37.74, and C37.60 for load break and fault interrupting capability. Padmount enclosures are designed and tested to IEEE C57.12.28 and C57.12.29.

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Features and Benefits

Configurations Chart for PVI Front Access
# of WaysOne-line Diagram (Horizontal)Voltage Class (kV)CataFog Number
Approximate
Width* in. (mm)Wt. w/SF6 lbs (kg)
4F
15PVI20-376-12-4F47.5 (1207)1500 (682)
25PVI20-386-12-4F
35PVI20-396-12-4F
5F
15PVI21-376-12-5F47.5 (1207)1500 (705)
25PVI21-386-12-5F
35PVI21-396-12-5F
6F
15PVI32-376-12-6F62.5 (1588)1920 (873)
25PVI32-386-12-6F
35PVI32-396-12-6F
7F
15PVI31-376-12-7F62.5 (1588)2050 (932)
25PVI31-386-12-7F
35PVI31-396-12-7F
9F
15PVI42-376-12-9F77.5 (1969)2300 (1045)
25PVI42-386-12-9F
35PVI42-396-12-9F
11F
15PVI43-376-12-11F77.5 (1969)2400 (1091)
25PVI43-386-12-11F
35PVI43-396-12-11F
12F
15PVI41-376-12-12F77.5 (1969)2400 (1091)
25PVI41-386-12-12F
35PVI41-396-12-12F
43F
15PVI43-376-12-43F-BT101.0 (2565)2700 (1227)
25PVI43-386-12-43F-BT
51F
15PVI51-376-12-51F92.5 (2350)2900 (1318)
25PVI51-386-12-51F
35PVI51-396-12-51F
52F
15PVI52-376-12-52F92.5 (2350)2800 (1273)
25PVI52-386-12-52F
35PVI52-396-12-52F
53F
15PVI53-376-12-53F92.5 (2350)2750 (1250)
25PVI53-386-12-53F
35PVI53-396-12-53F
54F
15PVI54-376-12-54F92.5 (2350)2650 (1205)
25PVI54-386-12-54F
35PVI54-396-12-53F
62F
15PVI62-376-12-62F107.5 (2731)3300 (1500)
25PVI62-386-12-62F
63F
15PVI63-376-12--63F107.5 (2731)3200 (1455)
25PVI63-386-12-63F
35PVI63-396-12-63F
64F
15PVI64-376-12-64F107.5 (2731)3100 (1409)
25PVI64-386-12-64F
35PVI64-396-12-64F
65F
15PVI65-376-12-65F107.5 (2731)3000 (1364)
25PVI65-386-12-65F
35PVI65-396-12-65F
72F
15PVI72-376-12-72F104.3 (2648)3850 (1750)
25PVI72-386-12-72F
Approximate Height: 65" (1651mm), Approximate Depth = 55" (1397mm)
Bushing Height: 48" (1224mm)
Configurations Chart for PVI Front & Rear Access
# of WaysOne-line Diagram (Horizontal)Voltage Class (kV)Cataog Number
Approximate
Width* in. (mm)Wt. w/SF6 lbs (kg)
4
15PVI20-376-12-444.5 (1130)950 (432)
25PVI20-386-12-4
35PVI20-396-12-4
5
15PVI21-376-12-544.5 (1130)950 (432)
25PVI21-386-12-5
35PVI21-396-12-5
6
15PVI32-376-12-674
(1880)
2250 (1023)
25PVI32-386-12-6
35PVI32-396-12-6
7
15PVI31-376-12-774
(1880)
2250 (1023)
25PVI31-386-12-7
35PVI31-396-12-7
8
15PVI41-376-12-874
(1880)
2250 (1023)
25PVI41-386-12-8
35PVI41-396-12-8
9
15PVI42-376-12-974
(1880)
2300 (1043)
25PVI42-386-12-9
35PVI42-396-12-9
11
15PVI43-376-12-1174
(1880)
2400 (1091)
25PVI43-386-12-11
35PVI43-396-12-11
12
15PVI41-376-12-1274
(1880)
2400 (1091)
25PVI41-386-12-12
35PVI41-396-12-12
14
15PVI42-376-12-5174
(1880)
2250 (1023)
25PVI42-386-12-51
35PVI51-396-12-51
Configurations Chart for VPVI
ModelOne-line Diagram (Horizontal)Voltage Class (kV)CataFog Number
Approximate
Width* in. (mm)Wt. w/SF6 lbs (kg)
4F
15VPVI20-376-12-4F26 (660)1100 (500)
25VPVI20-386-12-4F
35VPVI20-396-12-4F35 (889)
5F
15VPVI21-376-12-5F50.0 (1283)1100 (500)
25VPVI21-386-12-5F
35VPVI21-396-12-5F59.5 (1511)1210 (550)
6F
15VPVI32-376-12-6F63 (1600)1300 (591)
25VPVI32-386-12-6F
35VPVI32-396-12-6F72 (1829)1500 (682)
7F
15VPVI31-376-12-7F71.5 (1816)1500 (682)
25VPVI31-386-12-7F
35VPVI31-396-12-7F89.5 (2273)1800 (818)
9F
15VPVI42-376-12-9F84 (2134)1700 (773)
25VPVI42-386-12-9F
35VPVI42-396-12-9F102 (2591)1950 (886)
11F
15VPVI43-376-12-11F75.5 (1918)1600 (727)
25VPVI43-386-12-11F
35VPVI43-396-12-11F84.5 (2146)1750 (795)
12F
15VPVI41-376-12-12F92.5 (2350)1850(841)
25VPVI41-386-12-12F
35VPVI41-396-12-12F119.5 (3035)2100 (955)
43F
15VPVI43-376-12-43F105.3 (2675)1900 (862)
25VPVI43-386-12-43F
51F
15VPVI51-376-12-51F113.5 (2885)2250 (1023
25VPVI51-386-12-51F
35VPVI51-396-12-51F149.5 (3797)2650 (1205)
52F
15VPVI52-376-12-52F105 (2667)2100 (955)
25VPVI52-386-12-52F
35VPVI52-396-12-52F132 (33532400 (1089)
53F
15VPVI53-376-12-53F96.5 (2451)1900 (862)
25VPVI53-386-12-53F
35VPVI53-396-12-53F114.5 (2908)2200 (998)
54F
15VPVI54-376-12-54F87 (2210)1800 (818)
25VPVI54-386-12-54F
35VPVI54-396-12-53F96 (2438)2000 (907)
62F
15VPVI62-376-12-62F126 (3200)2500 (1134)
25VPVI62-386-12-62F
63F
15VPVI63-376-12-63F117.5 (2985)2300 (1043)
25VPVI63-386-12-63F
35VPVI63-396-12-63F144.5 (3670)2700 (1225)
64F
15VPVI64-376-12-64F109 (2769)2200 (998)
25VPVI64-386-12-64F
35VPVI64-396-12-64F127 (3226)2400 (1089)
65F
15VPVI65-376-12-65F99.5 (2527)2100 (995)
25VPVI65-386-12-65F
35VPVI65-396-12-65F108.5 (2756)2200 (998)
72F
15VPVI72-376-12-72F147 (3724)2800 (1273)
25VPVI72-386-12-72F
For 15 kV and 27 kV: Approximate Height: 33" (838mm), Approximate Depth = 31" (787mm)
For 38 kV: Approximate Height: 38" (965mm) and Depth: = 31" (787mm).
Ratings Chart for PVI and VPVI
Voltage class15kV25kV35kV
Maximum design voltage15.5kV27kV38kV
Impulse level (BIL)110 kV125 kV150 kV
One minute withstand35 AC kV60 AC kV70 AC kV
One minute withstand, production test rating34 AC kV40 AC kV50 AC kV
15 minute withstand53 DC kV78 DC kV103 DC kV
Continuous and load break current630 Amps630 Amps630 Amps
Load Break Switch Momentary current40kA asym40kA asym40kA asym
Load Break Switch Fault close current, (3 times)40kA asym40kA asym40kA asym
Load Break Switch One second current25kA sym25kA sym25kA sym
Fault Interrupter Symmetrical interrupting rating12.5kA*12.5kA*12.5kA*
Load Break Switch Open gap withstand200kV200kV200kV
Load Break Switch 10 operation overload interrupting capability3000 Amps3000 Amps3000 Amps
Load Break Switch Operations load interrupting endurance at 600A120012001200
Mechanical endurance, operations200020002000
IEEE C37.60 Fault Interrupting Duty
Total number of fault interruptions: 116
Percent of Maximum Interrupting RatingNo. of Fault Interruptions
15 – 20%44
45 – 55%56
90 – 100%16
*20kA interrupting rating is available

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