Model: 646PE21

Pressure Switch

Properties:

Thread Class
2b single pressure connection
Overall Length
6.240 inches
Overall Height
3.300 inches
Overall Width
4.750 inches
Body Width
2.240 inches
Distance Between Mounting Facility Centers
4.250 inches
Pressure Switch Type
Gage
Mounting Method
Bracket
Features Provided
Hermetically sealed case
Thready Qty Per Inch (tpi)
18 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
4500.00 pounds per square inch
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Sensing Element Burst Pressure
7500.00 pounds per square inch
Terminal Type
Wire lead
Contact Load Current Rating
15.0 amperes resistive load first voltage and 15.0 amperes inductive load first voltage
Contact Load Current Rating
15.0 amperes resistive load second voltage and 15.0 amperes inductive load second voltage
Contact Load Current Rating
15.0 amperes resistive load third voltage and 15.0 amperes inductive load third voltage
Contact Load Current Rating
400.0 milliamperes resistive load fourth voltage and 30.0 milliamperes inductive load fourth voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+500.00/+3000.00 actuation point pounds per square inch and +275.00/+2775.00 deactuation point pounds per square inch
Contact Adjustment Type
Internal deactuation point screw and internal actuation point screw
Contact Voltage Rating In Volts
125.0 ac at sea level first voltage
Contact Voltage Rating In Volts
125.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts
250.0 ac at sea level second voltage
Contact Voltage Rating In Volts
480.0 ac at sea level third voltage
Pressure Connector Type
Double compression, threaded internal single connection
Frequency In Hertz
50.0 first voltage and 60.0 first voltage
Frequency In Hertz
50.0 second voltage and 60.0 second voltage
Frequency In Hertz
50.0 third voltage and 60.0 third voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular w/bracket
Thread Series Designator
Npt single pressure connection
NSN
5930-01-018-1734
Part Number
646PE21
Description
Switch,pressure
CAGE
09049

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 646PE21 NSN 5930-01-018-1734

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

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:
M
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: 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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