2022 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

Catalog Number

Total Movement (note 1)

“A” Dia. Alum. Tube 4″ (4.50Dia.) [114] 5″ (5.56Dia.) [141] 6″ (6.63Dia.) [168]

Bolt CircleDia.

G*

H L

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

Bus Temp F°

Sch 40 SWXHP22A5

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

4.50 [114] 5.25 [133] 5.50 [140]

14.90 [18] 16.31 [18] 17.34 [18]

4.00 [102] 4.00 [102] 4.00 [102]

–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

26.00 [660]

SWXHP24A5

0

SWXHP86A5

10 20 30 40 50 60 70 80 90

NOMINAL POSITION

100 110 120 130 140 150 160 170 180 190 200

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

M-19