Model: A28AA-8

Thermostatic Switch

Properties:

Hazardous Locations/environmental Protection
Dusttight
Overall Length
4.406 inches
Overall Height
2.250 inches
Overall Width
2.156 inches
Mounting Slot Width
0.142 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
Base 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 first voltage
Contact Load Current Rating
7.2 amperes resistive load fourth voltage
Contact Load Current Rating
8.0 amperes resistive load third voltage
Contact Load Current Rating
9.2 amperes resistive load second voltage
Contact Adjustability
Actuation point adjustable and deactuation point adjustable
Contact Adjustment Type
External actuation point knob with scale
Contact Voltage Rating In Volts
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts
208.0 ac at sea level second voltage
Contact Voltage Rating In Volts
240.0 ac at sea level third voltage
Contact Voltage Rating In Volts
277.0 ac at sea level fourth voltage
Media For Which Designed
Liquid
Style Designator
Rectangular
NSN
5930-01-262-6169
Part Number
A28AA-8
Description
Switch,thermostatic
CAGE

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-8 NSN 5930-01-262-6169

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
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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