EHV Substation Connectors (AEC-16)

SUBSTATION COUPLERS

HUBBELL ® Power Systems

EHV WELDED BIFURCATING COUPLERS FOR TUBE TO 2 FLAT PADS TYPE EVST2F

ALUMINUM EVST2F

Aluminum alloy, tube to flat, bifurcating couplers are designed for corona free service at 500 KV. They are designed to be used with Type CCL-EHV compression terminal lugs with maximum terminal pad thickness of one inch. Contact sealant

9/16” HOLES

is recommended for contact pads after welding. Material: Castings - 356-T6 aluminum alloy Cross Brace - 6061-T6 aluminum alloy

FACTORY WELD

Note: To obtain tongues finished on both sides, add “XY” to catalog number (Example: EVST2F-50-18-XY) Connector will be corona free only if tap connectors are attached. Bolt shields not included as part of these catalog numbers.

FIELD WELD

FACTORY WELD

H

FIELD WELD

345 AND 500 KV Line-to-Line Applications

Catalog Number

Approx. Wt. Ea. Lbs. (Kg)

a

b

H

tube

20.9 (9.49) 21.5 (9.76) 19.7 (8.94) 20.9 (9.49) 21.5 (9.76) 19.7 (8.94) 22.1 (10.03) 22.1 (10.03)

12 (304.8) 18 (457.2) 12 (304.8) 18 (457.2) 12 (304.8) 18 (457.2) 12 (304.8) 18 (457.2)

19 1/8 (484.2) 25 1/8 (636.6) 19 1/8 (484.2) 25 1/8 (636.6) 19 1/8 (484.2) 25 1/8 (636.6) 19 1/8 (484.2) 25 1/8 (636.6)

–

EVST2F4012

4”

–

EVST2F4018

4”

–

EVST2F5012

5”

–

EVST2F5018

5”

3 5/8 (90.5) 3 5/8 (90.5)

EVST2F409012

4”

EVST2F409018

4”

4 1/4 (107.9) 4 1/4 (107.9)

EVST2F509012

5”

EVST2F509018

5”

28

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