BURNDY
EHV
WELDED EXPANSION
TERMINAL
CONNECTOR
SWXA-A-N
Welded type
Application: Bus to four or six hole
pad (Expansion
Terminal with Corona
Rings)
EHV RATED: SELF-SHIELDING
UP TO 550 kV
Material:
Straps:
Rings:
Hardware:
Ring mounting:
Base mounting:
Cast 356 Aluminum Alloy
Laminated Aluminum
Aluminum Alloy
Aluminum
Galvanized Steel
A
DIA.
CUSTOMER
WELD
M
Z
CAST ALUM. ALLOY
ALUM. MTG.
BRACKET
LAMINATED
ALUM. STRAPS
CAST ALUM. ALLOY
CORONA RING
ALUM. ALLOY
T FINISHED
SURFACE
A
DIA.
“K” DIA.
(4 HOLES)
F
C
W
ALUM.
HARDWARE
26.00 DIA.
[660]
ED
N
3.62
[92]
H-13
CATALOG
NUMBER
SWXA20A-44N
SWXA22A-44N
SWXA24A-44N
SWXA86A-44N
SWXA92A-44N
SWXA94A-44N
ACCOMMODATES
“A” DIA. ALUM. TUBE
3 (3.500 DIA.) SCH 40
4 (4.500 DIA.) SCH 40
5 (5.563 DIA.) SCH 40
6 (6.625 DIA.) SCH 40
4 (4.500 DIA.) SCH 80
5 (5.563 DIA.) SCH 80
C
4.00
[101]
4.00
[101]
4.00
[101]
4.00
[101]
4.00
[101]
4.00
[101]
D
4.25
[108]
4.25
[108]
4.25
[108]
4.25
[108]
4.25
[108]
4.25
[108]
E
1.75
[44]
1.75
[44]
1.75
[44]
1.75
[44]
1.75
[44]
1.75
[44]
F
1.75
[44]
1.75
[44]
1.75
[44]
1.75
[44]
1.75
[44]
1.75
[44]
K
.56
[14]
.56
[14]
.56
[14]
.56
[14]
.56
[14]
.56
[14]
M
N
T
.75
[19]
.86
[22]
.81
[21]
1.00
[25]
.86
[22]
.86
[22]
INSTALLATION DATA
W
TOTAL
BUS.
REF. MOVEMENT TEMP. OF
Z
13.18
[335]
13.87
[352]
14.50
[368]
15.50
[394]
13.87
[352]
14.50
[368]
–20
–10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
2.50
2.61
2.32
2.21
2.14
2.01
1.95
1.86
1.77
1.68
1.57
1.50
1.41
1.32
1.23
1.14
1.04
.95
.86
.77
.68
.59
.50
7.87 .62
[200] [16]
9.56 .62
[243] [16]
10.77 .62
[274] [16]
11.63 1.12
[295] [28]
9.56 .62
[243] [16]
10.77 1.12
[274] [28]
2.00
[51]
NOTES:
1. Table is based on 60/ft. max BUS run.
2. Dimensions in brackets [ ] are in millimeters.
3. Shielding caps not required.
4. One side of pad finished. On Centerline of tubing. For finish
pad on both sides add SUFFIX “Q” to catalog number
(example: SWXA22A4NQ).
5. For six hole NEMA pad change the suffix to 66N
(example: SWXA22A66N).
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