N278-340641

Power transfer switching unit

Properties of N278-340641

Overall Depth:
18.125 inches
Overall Height:
31.125 inches
Overall Width:
19.875 inches
Frequency Rating:
60.0 hertz
Switch Position Quantity:
3
Mounting Configuration:
Four 21/32 in. Diameter mtg holes on 13-1/2 in. By 29-5/8 in. Mtg centers
Current Rating In Amps:
150.0
Inclosure Feature:
Watertight
Switch Operation Method:
Motor driven
Switch Action Type:
Motor contactor
Switch Pole Quantity:
3
Switch Off Position:
Included
Manual Operation Facility:
Provided
Voltage In Volts:
450.0
Phase:
Three
Nondefinitive Specification/std Data:
Abt-a3 type
NSN:
6110-00-752-2757
Description:
Switching Unit,power Transfer
Cage Code:

Definition Power Transfer Switching Unit

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.

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Last modified 03/29/2024