647J553CD3105SIZE4

Power transfer switching unit

Properties of 647J553CD3105SIZE4

Overall Depth:
20.750 inches
Overall Height:
18.500 inches
Overall Width:
19.750 inches
Frequency Rating:
60.0 hertz
Switch Position Quantity:
3
Mounting Configuration:
Four 5/8 in. Diameter mtg holes on 16-1/4 in. By 12-1/4 in. Mtg centers
Current Rating In Amps:
150.0
Inclosure Feature:
Dripproof
Switch Operation Method:
Motor driven
Switch Action Type:
Magnetic contactor
Switch Pole Quantity:
3
Switch Off Position:
Included
Manual Operation Facility:
Provided
Voltage In Volts:
450.0
Phase:
Three
Nondefinitive Specification/std Data:
Ype abt-a3 composition
Departure From Cited Document:
Mil-s-17773 except resistors mil-r-26 rectifiers commercial grade
NSN:
6110-00-783-6330
Description:
Switching Unit,power Transfer
Cage Code:
88725

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 11/02/2024