National Item Identification Number

01-171-9739
011719739
6110-01-171-9739
6110011719739

National Stock Number

Item Name

SWITCHING UNIT,POWER TRANSFER

Federal Supply Class

6110

Description

An item that is electrically operated to transfer automatically the load from one power source to an alternate power source. May have provisions for emergency manual operation. For manually operated power transfer units, see SWITCH, BOX.

Commercial and Government Entity Code (Supplier Data)

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43689

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43689

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Reference Numbers (Part Numbers)

185439
9053551

Required Categories

SWITCH OPERATION METHOD
SWITCH OFF POSITION
CURRENT TYPE
VOLTAGE IN VOLTS
FR

Required Description

ANY ACCEPTABLE
INCLUDED
AC
450.0
60.0 HERTZ NOMINAL
THREE
DRIPPROOF
43689