Model: 012-1550

Pressure Switch

Properties:

Inside Diameter
0.250 inches all connections
Overall Length
4.656 inches
Overall Height
1.906 inches
Overall Width
5.312 inches
Body Length
2.656 inches
Body Height
1.834 inches
Unthreaded Mounting Hole Diameter
0.203 inches
Longest Horizontal Distance Between Mounting Centers
1.812 inches
Shortest Horizontal Distance Between Mounting Centers
0.906 inches
Longest Vertical Distance Between Mounting Centers
4.506 inches
Pressure Switch Type
Differential
Mounting Method
Base and unthreaded hole
Features Provided
Capillary tube end seal connection
Thready Qty Per Inch (tpi)
18 all pressure connection
Contact Action Stimulus
Increase
Thread Size
0.250 inches single pressure connection
Mounting Facility Pattern
Isosceles triangle
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Screw
Contact Load Current Rating
17.0 amperes resistive load first voltage
Contact Load Current Rating
2.3 amperes resistive load third voltage
Contact Load Current Rating
20.0 amperes resistive load second voltage
Contact Load Current Rating
4.6 amperes resistive load fourth voltage
Contact Adjustability
Deactuation point adjustable, preset and actuation point adjustable, preset
Contact Adjustment Range
+0.00/+450.00 actuation point pounds per square inch and +0.00/+450.00 deactuation point pounds per square inch
Contact Adjustment Type
External deactuation point knob with scale and external actuation point knob with scale
Contact Stimulus Rating
50.00 actuation point pounds per square inch and 290.00 actuation point pounds per square inch and 10.00 differential point pounds per square inch and 65.00 differential point pounds per square inch
Contact Voltage Rating In Volts
115.0 ac at sea level second voltage
Contact Voltage Rating In Volts
115.0 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
Swivel nut, gasket seal, threaded internal all connections
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
Thread Series Designator
Ptf-sae short all pressure connection
NSN
5930-00-777-6543
Part Number
012-1550
Description
Switch,pressure
CAGE
50992

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 012-1550 NSN 5930-00-777-6543

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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