Model: N3-U-238

Code Indicating Wheel Switch

Properties:

Overall Length
2.438 inches
Overall Height
2.188 inches
Overall Width
1.812 inches
Unthreaded Mounting Hole Diameter
0.141 inches single mounting facility
Individual Section Quantity
3
Longest Horizontal Distance Between Mounting Centers
2.062 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
1.562 inches single mounting facility
End Application
Ts-3550/fpn-60
Mounting Method
Unthreaded hole single mounting facility
Actuator Type
Thumbwheel all actuators
Contact Voltage Rating In Volts
28.0 ac at sea level
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
10 1st actuator
Switch Actuator Indexing Position Quantity
10 3rd actuator
Switch Actuator Indexing Position Quantity
8 2nd actuator
Terminal Type
Printed circuit
Contact Load Current Rating
125.0 milliamperes resistive load ac at sea level
Readout Indicator Marking
0, 1, 0, 1, 0, 1, 0, 1 2nd section
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 1st section
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 3rd section
Contact Arrangement Truth Table
Bcd, 1 pole - 10 positions 1st section
Contact Arrangement Truth Table
Bcd, 1 pole - 10 positions 3rd section
Contact Arrangement Truth Table
Bcd, 1 pole - 8 positions 2nd section
Color
Black each body
Color
Black each indicator background
Color
White each indicator marking
Style Designator
Rectangular inline indicating
NSN
5930-01-228-6905
Part Number
N3-U-238
Description
Switch,code Indicating Wheel
CAGE
07126

A switch which is externally actuated by a thumbwheel and/or pushbutton. A legend or message is visually displayed at each position of the indicating wheel which corresponds to electrically coded output. Electrically coded output is achieved by rotating a set of brush contacts permanently attached to the code indicating wheel, against a stationary commutator which is usually a printed wiring board having electrical pads or contacts which are interconnected by the rotating brush contacts. May have additional electrical components (such as resistors, capacitors, diodes) premounted on that portion of printed wiring board which extends beyond the back of switch housing.

Part N3-U-238 NSN 5930-01-228-6905

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
62415
FIIG:
A052B0
Concept No.:
1
App. Key:
C
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:
A
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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