EHV Substation Connectors (AEC-16)

SUBSTATION BUS SUPPORTS

HUBBELL ® Power Systems

EHV HOOK-ON BUS SUPPORTS TYPE WTH-EHV

ALUMINUM WTH-EHV

Aluminum alloy weldment bus supports are corona free hook- on type tubular supports for 345 and 500 KV service. The bus supports can be welded at each end for rigid fit. Stainless steel static eliminator springs are furnished as standard. Cap screws and washers for mounting to cap of insulator are supplied for upright mounting. When mounting to base of insulator, add “B” to catalog number for bolts, nuts, lockwashers and flatwashers (example: WTH-24-5-B-EHV).

Material: Casting – 356-T6 aluminum alloy

Mounting Hardware – galvanized steel

345 and 500 KV Line-to-Line Applications

Aluminum Conductor Size IPS/EHIPS

Dimensions – Inches (mm)

Approx. Wt. Ea. Lbs. (Kg)

Catalog Number

L

C

W

K

5” Bolt Circle

9 3/8 (238.13) 9 3/8 (238.13) 9 3/8 (238.13) 9 3/8 (238.13) 9 3/8 (238.13) 9 3/8 (238.13) 9 3/8 (238.13) 11 3/4 (298.45) 11 3/4 (298.45) 11 3/4 (298.45) 11 3/4 (298.45)

2 3/4 (69.85) 3 1/8 (79.38) 3 5/8 (92.08) 4 (101.60) 4 1/2 (114.30) 4 7/8 (123.83) 5 3/8 (136.53) 3 5/8 (92.08) 4 1/2 (114.30) 4 7/8 (123.83) 5 3/8 (136.53)

4 (101.6) 4 1/2 (114.30) 5 1/2 (139.70) 5 7/8 (149.23) 6 1/2 (165.10) 7 13/16 (198.44) 9 1/8 (231.78) 5 1/2 (139.70) 6 1/2 (165.10) 7 13/16 (198.44) 9 1/8 (231.78)

11/16 X 7/8 (17.46 X 22.23) 11/16 X 7/8 (17.46 X 22.23) 11/16 X 7/8 (17.46 X 22.23) 11/16 X 7/8 (17.46 X 22.23) 11/16 X 7/8 (17.46 X 22.23) 11/16 X 7/8 (17.46 X 22.23) 11/16 X 7/8 (17.46 X 22.23) 13/16 X 1 (20.64 X 25.40) 13/16 X 1 (20.64 X 25.40) 13/16 X 1 (20.64 X 25.40) 13/16 X 1 (20.64 X 25.40)

3.7 (1.67) 4.1 (1.81) 4.1 (1.81) 4.3 (1.93) 4.3 (1.95) 5.0 (2.27) 5.6 (2.54) 5.5 (2.48) 5.7 (2.59) 5.7 (2.59) 7.0 (3.18)

WTH205EHV

2

WTH245EHV

2 1/2

WTH305EHV

3

WTH345EHV

3 1/2

WTH405EHV

4

WTH505EHV

5

WTH605EHV

6

7” Bolt Circle

WTH307EHV

3

WTH407EHV

4

WTH507EHV

5

WTH607EHV

6

50

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