Model: 21A1AL125BC

Pressure Switch

Properties:

Overall Length
3.500 inches
Overall Height
5.993 inches
Overall Width
2.500 inches
Body Height
3.500 inches
Longest Horizontal Distance Between Mounting Centers
2.750 inches
Longest Vertical Distance Between Mounting Centers
2.750 inches
Pressure Switch Type
Gage
Mounting Method
Surface
Thready Qty Per Inch (tpi)
18 single pressure connection
Contact Action Stimulus
Increase
Proof Pressure
250.00 pounds per square inch
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Two position diagonal
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Contact Load Current Rating
15.0 amperes resistive load first voltage
Contact Load Current Rating
250.0 milliamperes resistive load second voltage
Contact Load Current Rating
500.0 milliamperes resistive load third voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+3.00/+125.00 actuation point pounds per square inch gage and +0.00/+122.00 deactuation point pounds per square inch gage
Contact Adjustment Range
+3.00/+125.00 actuation point pounds per square inch gage and +0.00 to 122.00 deactuation point pounds per square inch gage
Contact Adjustment Type
External actuation point screw with scale and external deactuation point screw with scale
Contact Voltage Rating In Volts
125.0 dc at sea level third voltage
Contact Voltage Rating In Volts
250.0 dc at sea level second voltage
Contact Voltage Rating In Volts
480.0 ac at sea level first voltage
Media For Which Designed
Gas or liquid
Thread Series Designator
Npt single pressure connection
NSN
5930-00-152-8054
Part Number
21A1AL125BC
Description
Switch,pressure
CAGE
02750

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 21A1AL125BC NSN 5930-00-152-8054

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:
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: 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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