Model: DA21-3

Pressure Switch

Properties:

Thread Length
0.250 inches single pressure connection
Overall Length
7.250 inches
Overall Height
2.125 inches
Overall Width
5.750 inches
Pressure Switch Type
Gage
Mounting Method
Inlet connection
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
1 pole, single throw, both positions maintained
Terminal Type
Tab w/screw
Contact Load Current Rating
10.0 amperes resistive load second voltage
Contact Load Current Rating
5.0 amperes resistive load first voltage
Contact Adjustability
Actuation point adjustable
Contact Adjustment Range
+0.00/+14.00 deactuation point pounds per square inch absolute
Contact Stimulus Rating
0.00 deactuation point pounds per square inch absolute and 13.00 differential point pounds per square inch absolute
Contact Voltage Rating In Volts
115.0 ac at sea level second voltage
Contact Voltage Rating In Volts
230.0 ac at sea level first voltage
Thread Series Designator
Npt single pressure connection
NSN
5930-00-248-1596
Part Number
DA21-3
Description
Switch,pressure
CAGE
39709

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 DA21-3 NSN 5930-00-248-1596

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

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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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