Model: A28AA29

Thermostatic Switch

Properties:

Hazardous Locations/environmental Protection
General purpose-nema type 1
Overall Length
2.156 inches
Overall Height
4.406 inches
Overall Width
2.250 inches
Capillary Tube Length
72.0 inches
Bulb Length
4.000 inches
Bulb Diameter
0.375 inches
Longest Horizontal Distance Between Mounting Centers
1.562 inches
Longest Vertical Distance Between Mounting Centers
2.938 inches
End Application
4120-01-047-3950
Tempurature Sensing Element Type
Capillary tube-bulb
Operating Tempurature Rating
140.0 degrees fahrenheit
Mounting Method
Surface and slot
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
16.0 amperes resistive load second voltage
Contact Load Current Rating
7.2 amperes resistive load first voltage
Contact Adjustability
Deactuation point adjustable, preset and actuation point adjustable, preset
Contact Adjustment Range
-30.00/+50.00 actuation point degrees fahrenheit and -25.00/+45.00 deactuation point degrees fahrenheit
Contact Adjustment Type
External deactuation point knob with scale and external actuation point knob with scale
Contact Stimulus Rating
29.00 actuation point degrees fahrenheit and 24.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
120.0 ac at sea level second voltage
Contact Voltage Rating In Volts
277.0 ac at sea level first voltage
Media For Which Designed
Gas
NSN
5930-01-092-6122
Part Number
A28AA29
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 A28AA29 NSN 5930-01-092-6122

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:
--
Paclk Weight:
1.2000lbs
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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