Part Number 21457-3

Power Supply Assembly

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
21457-3
Demil:
Yes - DEMIL/MLI
Shelf Life:
UOM:
NIIN:
013725013

Part Information
3power supply assembly consists ofq type 1, rack adapter p/n: lra-17, and qty-2, lrs-57-28 power supplies, and are wired in local sense redundant; front panel has digital meter; meter selectorswitch; power on/off switch; fuse and voltage adjust controls

NSN
National Stock Number:
6130-01-372-5013 6130013725013
TXT
Description:
Power Supply Assembly
INC
INC
Item Name Code:
00295
INC
COM
Compliance:
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
21.000 inches
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
5.187 inches
MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
19.000 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Afscn ecp 1351
MRC:
The relationship of the electrical power source to the item.AKWC
Electrical Power Source Relationship:
Operating
MRC:
Indicates the type of power unit included with the item.AMKG
Power Unit Type:
Semiconductor diode full wave 1st alternate operating power rqmtsemiconductor diode full wave 2nd alternate operating power rqmt
MRC:
The number of input alternating current phase(s).ANPM
Input Phase:
Single 1st alternate operating power rqmtsingle 2nd alternate operating power rqmt
MRC:
The input value/s/,or range of values,for which the item is rated.APNX
Input Voltage Rating:
95.0 ac pounds per hour dry 1st alternate operating power rqmt and 132.0 ac pounds per hour with retaining chain 1st alternate operating power rqmt187.0 ac pounds per hour dry 2nd alternate operating power rqmt and 265.0 ac pounds per hour with retaining chain 2nd alternate operating power rqmt
MRC:
The output value/s/,or range of values,for which the item is rated.APPA
Output Voltage Rating:
28.0 dc volts multiple power outputs w/identical ratings
MRC:
The number of complete cyclic changes,per unit of time,for which the input is rated.APTQ
Input Frequency Rating:
47.0 hertz 1st alternate operating power rqmt and 440.0 hertz 1st alternate operating power rqmt47.0 hertz 2nd alternate operating power rqmt and 440.0 hertz 2nd alternate operating power rqmt
MRC:
The ambient temperature range at which the item is designed to operate.AYNH
Operating Ambient Tempurature Range:
-10.0/+71.0 degrees celsius
MRC:
The number of power units provided.BGQF
Power Unit Quantity:
2
MRC:
The output current rating at which the item is designed to operate.CWGH
Output Current Rating:
26.0 dc amperes multiple power outputs w/identical ratings
MRC:
Indicates the location of the output control(s).CWHC
Output Control Location:
Rear panel multiple power outputs w/identical ratings
MRC:
The number of electrical output connections on the item.CWHF
Output Connection Quantity:
2 multiple power outputs w/identical ratings
MRC:
Indicates the type of electrical output connection.CWHJ
Output Connection Type:
Terminal strip multiple power outputs w/identical ratings
MRC:
The amount of input current for which the item is rated.CWHM
Input Current Rating:
50.0 ac amperes 1st alternate operating power rqmt50.0 ac amperes 2nd alternate operating power rqmt
MRC:
Indicates the type of design provided for ventilation of the item.CWKG
Ventilation Design Type:
Convection

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