Model: 21MX0A-5A-276

Pressure Switch

Properties:

Hazardous Locations/environmental Protection
Watertight
Overall Height
2.813 inches
Body Diameter
7.000 inches
Pressure Switch Type
Differential
Mounting Method
Input port
Features Provided
Electrical access port
Thready Qty Per Inch (tpi)
18 single pressure connection
Contact Action Stimulus
Increase
Thread Size
0.250 inches single pressure connection
Nonpile-up Contact Arrangement
2 pole, double throw, two positions momentary
Terminal Type
Tab w/screw
Contact Load Current Rating
12.0 amperes resistive load second voltage
Contact Load Current Rating
250.0 milliamperes resistive load third voltage
Contact Load Current Rating
10.0 amperes resistive load first voltage
Contact Load Current Rating
500.0 milliamperes resistive load fourth voltage
Contact Adjustability
Deactuation point not adjustable, manual reset and actuation point adjustable
Contact Adjustment Range
+300.00/+2500.00 actuation point pounds per square inch gage
Contact Adjustment Type
External actuation point screw with scale
Contact Stimulus Rating
2200.00 differential point pounds per square inch gage
Contact Voltage Rating In Volts
120.0 ac at sea level second voltage
Contact Voltage Rating In Volts
120.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts
240.0 ac at sea level first voltage
Contact Voltage Rating In Volts
240.0 dc at sea level third voltage
Pressure Connector Type
Plain, threaded external single connection
Media For Which Designed
Gas or liquid
Thread Series Designator
Npt single pressure connection
NSN
5930-01-032-1150
Part Number
21MX0A-5A-276
Description
Switch,pressure
CAGE
85274

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.

Part 21MX0A-5A-276 NSN 5930-01-032-1150

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00206
FIIG:
A048B0
Concept No.:
1
App. Key:
D
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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