Model: DA21-127

Pressure Switch

Special Features:

With tilting type mercury switch

Properties:

Overall Length
7.250 inches
Overall Height
2.125 inches
Overall Width
5.750 inches
Pressure Switch Type
Differential
Width Across Flats
0.563 inches
Mounting Method
Bracket
Contact Action Stimulus
Increase
Nonpile-up Contact Arrangement
2 pole, single throw, both positions maintained
Terminal Type
Wire lead
Contact Load Current Rating
10.0 amperes resistive load fourth voltage
Contact Load Current Rating
10.0 amperes resistive load third voltage
Contact Load Current Rating
5.0 amperes resistive load first voltage
Contact Load Current Rating
5.0 amperes resistive load second voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+0.00/+100.00 actuation point pounds per square inch and +0.00/+100.00 deactuation point pounds per square inch
Contact Adjustment Range
+0.00 to 100.00 actuation point pounds per square inch and +0.00/+100.00 deactuation point pounds per square inch
Contact Voltage Rating In Volts
115.0 ac at sea level third voltage
Contact Voltage Rating In Volts
115.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts
230.0 ac at sea level first voltage
Contact Voltage Rating In Volts
230.0 dc at sea level second voltage
Style Designator
Cylindrical w/port
NSN
5930-00-075-4686
Part Number
DA21-127
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 DA21-127 NSN 5930-00-075-4686

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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