2020 BURNDY Master Catalog

Substation - Welded/EHV

Welded Expansion Bus Support Coupler Type SWXHP-A

Expansion Bus Support Coupler, Type SWXHP-A Bus to Bus Expansion Coupler to Insulator

Material:

Cast 356 Aluminum Alloy Laminated Aluminum Strap Self-Shielding up to 550 kV

Corona Rings: Aluminum Alloy Straps:

EHV Rated:

NOTES: *Conforms to NEMA standards 1. Maximum movement per end equals one-half of total movement specified in table. 2. Dimensions in brackets [ ] are in millimeters. 3. Cap mounting (galvanized steel) hardware supplied as standard. For Base Mounting hardware add ‘-B” suffix to catalog number (example: SWXHP20A5B). 4. Conductors smaller than 3 inch bus size not recommended for 550 kV 5. Bus support couplers are supplied without bus end plugs. If end plugs are required, add suffix ‘-EP’ to catalog number (example: SWXHP20A5EP) 6. Table 3” Movement Z Reference is based on 80 ft max. bus run (total) or 40 ft per end 7. Table 4” Movement Z Reference is based on 110 ft max. bus run (total) or 55 ft per end

Installation Data

Total Movement (note 1)

CatalogNumber

“A” Dia. Alum. Tube 2-1/2″ (2.88Dia.) [73]

Bolt CircleDia.

G*

H L

3 " Total Movement 4 " Total Movement Z (note 6) Z (note 7)

Bus Temp F°

Sch 40

Sch 80

5.00 [127] 5.00 [127] 5.00 [127] 5.00 [127] 5.00 [127] 5.00 [127]

3.12 [79] 3.62 [92] 4.00 [102] 4.50 [114] 5.25 [133] 5.50 [140]

12.77 [18] 13.62 [18] 14.25 [18] 14.90 [18] 16.31 [18] 17.34 [18]

3.00 [76] 3.00 [76] 3.00 [76] 4.00 [102] 4.00 [102] 4.00 [102]

SWXHP19A5 SWXHP59A5

–20 –10

0.75 0.82 0.89 0.95 1.02 1.09 1.16 1.23 1.30 1.36 1.43 1.50 1.57 1.64 1.70 1.77 1.84 1.91 1.98 2.05 2.11 2.18 2.25

0.75 0.84 0.83 1.02 1.11 1.20 1.29 1.39 1.48 1.57 1.66 1.75 1.84 1.93 2.02 2.11 2.20 2.29 2.39 2.48 2.57 2.66 2.75

3″ (3.50Dia.) [89]

SWXHP20A5 SWXHP90A5

3-1/2″ (4.00Dia.) [102]

0

SWXHP21A5 SWXHP91A5

26.00 [660]

10 20 30 40 50 60 70 80 90

4″ (4.50Dia.) [114] 5″ (5.56Dia.) [141] 6″ (6.63Dia.) [168]

SWXHP22A5 SWXHP92A5

SWXHP24A5 SWXHP94A5

SWXHP86A5 SWXHP96A5

NOMINAL POSITION

100 110 120 130 140 150 160 170 180 190 200

1-800-465-7051 (Canada) 1-603-647-5299 (International)

M-23