EHTT station class hookstick medium-voltage disconnects

15-38 kV

Rated continuous current up to 1,200 A
Lightning impulse (BIL) up to 200 kV

EHTT medium-voltage station class hookstick disconnects

Utilizing the advantages of the type EH switch in a tandem-transfer configuration, the EHTT provides an effective and safer means to redirect power when bypassing is required.

Watch the video below to learn more about Siemens medium-voltage air-break disconnect switches.

Medium-voltage air-break disconnect switches overview video

Application:

Substation tandem transfer switching.

Features include:

High-pressure, coin-silver jaw contacts
Positive-latch, effective pry-out mechanism
Precision machined hinge and jaw castings for low-resistance connection
90º blade stop
NEMA 3” D.B.C. insulators
Standard or customized mounting options
Galvanized steel channel or formed universal base.

Options:

Porcelain or polymer insulator
Loadbreak hooks
Cable connector
Tinned terminal pads
Backplate set.

Ratings:

Voltage ratings of 15 kV, 25 kV, or 38 kV
Rated continuous currents of 600 A, 900 A, or 1,200 A
Lightning impulses (BIL) of 110 kV, 150 kV, or 200 kV.

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