#1637-25 Main Disconnect Switch | Switches

1637-25

Pressure Switch

NSN 5930-00-720-1481

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007201481

Detail Specifications

Overall Length:
6.500 inches
Overall Diameter:
7.750 inches
Longest Horizontal Distance Between Mounting Centers:
2.000 inches
Longest Vertical Distance Between Mounting Centers:
3.000 inches
Pressure Switch Type:
Differential
Operating Tempurature Rating:
Between 40.0 degrees fahrenheit and 125.0 degrees fahrenheit
Mounting Method:
Bracket
Thready Qty Per Inch (tpi):
27 all pressure connection
Contact Action Stimulus:
Increase
Proof Pressure:
25.00 pounds per square inch
Thread Size:
0.125 inches single pressure connection
Mounting Facility Pattern:
Four position rectangular
Nonpile-up Contact Arrangement:
1 pole, double throw, one position momentary
Terminal Type:
Tab w/screw
Contact Load Current Rating:
3.5 amperes resistive load first voltage
Contact Load Current Rating:
7.0 amperes resistive load second voltage
Contact Adjustability:
Actuation point adjustable
Contact Adjustment Range:
+0.05/+0.25 actuation point inches of water
Contact Adjustment Type:
External actuation point screw with scale
Contact Voltage Rating In Volts:
120.0 ac at sea level second voltage
Contact Voltage Rating In Volts:
240.0 ac at sea level first voltage
Media For Which Designed:
Gas or liquid
Style Designator:
Cylindrical
Thread Series Designator:
Npt all pressure connection
NSN:
5930-00-720-1481
Item Name:
Main Disconnect Switch
Cage Code:
85274

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
B506-1451
Cage Code:
85274
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
1638-0
Cage Code:
85274
RNCC:
3
RNVC:
2
RNAAC:
TX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Pressure Switches
------------ P/N 1637-25

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Last Updated: 01/16/2025