Model: N278-340641

Power Transfer Switching Unit

Properties:

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
Part Number
N278-340641
Description
Switching Unit,power Transfer
CAGE
63743

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.

Part N278-340641 NSN 6110-00-752-2757

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16235
FIIG:
T142-Q
Concept No.:
App. Key:
QB
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
33.0 X 21.0 X 18.0
Paclk Weight:
280.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
03
LVL_A:
F
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063420
UFC:
35355
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
595
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8543909000
  • SITC: 77879
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Electrical machines and apparatus parts, nesoi

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