EHV Substation Connectors (AEC-16)

SUBSTATION COUPLERS EHV BOLTED COUPLERS FOR TUBE TYPE HVSTT/EVSTT

HUBBELL ® Power Systems

ALUMINUM HVSTT/EVSTT

Aluminum alloy, tube to tube, couplers are designed for coro- na free service at 345 and 500 KV respectively. Contact seal- ant is recommended.

Material: Castings – 356-T6 aluminum alloy Hardware – aluminum alloy

345 KV and 500 kv Line-to-Line Applications

CONDUCTOR SIZE TUBING IPS/EHIPS

APPROX. WT. EA. LBS. (KG)

DIMENSIONS-INCHES (MM)

CATALOG NUMBER

MAIN

TAP

A

L

B

W

G

345 KV APPLICATIONS

9.1 (4.13)

4 (101.60) 4 (101.60) 4 1/4 (107.95) 4 1/4 (107.95) 6 (152.40) 6 (152.40)

8 1/8 (206.38) 8 1/8 (206.38) 8 5/8 (219.08) 8 5/8 (219.08) 12 1/8 (307.98) 12 1/8 (307.98)

4 (101.60) 4 (101.60) 4 1/4 (107.95) 4 1/4 (107.95) 6 (152.40) 6 (152.40)

6 1/2 (165.10) 7 3/16 (182.56) 7 7/8 (200.03) 8 3/8 (212.73) 9 5/16 (236.54) 10 3/8 (263.53)

6 1/2 (165.10) 7 3/16 (182.56) 7 7/8 (200.03) 8 3/8 (212.73) 9 5/16 (236.54) 10 3/8 (263.53)

HVSTT2424

2 1/2

2 1/2

–

HVSTT3030

3

3

13.9 (6.31) 16.3 (7.39)

HVSTT3434

3 1/2

3 1/2

HVSTT4040

4

4

28.1 (12.75) 32.0 (14.52)

†HVSTT5050

5

5

†HVSTT6060

6

6

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