40263C

Power transfer switching unit

Properties of 40263C

Overall Depth:
19.125 inches
Overall Length:
5.500 inches
Overall Width:
7.000 inches
Frequency Rating:
60.0 hertz
Switch Position Quantity:
3
Usage Design:
Used as bus transfer
Mounting Configuration:
Four 25/64 in. Diameter mtg holes on 4 in. By 4 in. Mtg centers, located on face plate for switchboard mtg
Current Rating In Amps:
50.0
Inclosure Feature:
Open
Switch Operation Method:
Magnetic
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:
Abt-a3 type
Reference Number Differentiating Characteristics:
Elec
NSN:
6110-00-635-7621
Description:
Switching Unit,power Transfer
Cage Code:
04009

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 04/28/2024