Model: A28AA-9

Thermostatic Switch

Properties:

Overall Length
4.406 inches
Overall Height
1.812 inches
Overall Width
2.156 inches
Mounting Slot Width
0.201 inches
Body Length
4.406 inches
Capillary Tube Length
72.000 inches
Bulb Length
4.969 inches
Bulb Diameter
0.375 inches
Longest Horizontal Distance Between Mounting Centers
1.562 inches
Longest Vertical Distance Between Mounting Centers
2.938 inches
Tempurature Sensing Element Type
Capillary tube-bulb
Mounting Method
Bracket and slot
Features Provided
Electrical access port
Contact Action Stimulus
Increase
Mounting Facility Pattern
Four position rectangular
Nonpile-up Contact Arrangement
2 pole, double throw, one position momentary
Terminal Type
Screw
Contact Load Current Rating
7.2 amperes resistive load single voltage
Contact Adjustability
Actuation point adjustable
Contact Adjustment Range
+20.00/+80.00 actuation point degrees fahrenheit
Contact Adjustment Type
External actuation point knob with scale
Contact Voltage Rating In Volts
277.0 ac at sea level single voltage
Frequency In Hertz
60.0 single voltage
Media For Which Designed
Gas
Style Designator
Rectangular
NSN
5930-01-190-6479
Part Number
A28AA-9
Description
Switch,thermostatic
CAGE
92578

A switch that is actuated by changes in ambient temperature. Excludes circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

Part A28AA-9 NSN 5930-01-190-6479

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00451
FIIG:
A048B0
Concept No.:
1
App. Key:
F
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:
P
PMIC:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
7.0 X 4.0 X 3.0
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9032100000
  • SITC: 87461
  • End Use: Measuring, testing, control instruments
  • NAICS: 334512
  • USDA: 1

Freight Class: Thermostats

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