Model: T20-02L

Code Indicating Wheel Switch

Properties:

Overall Length
1.265 inches
Overall Height
2.795 inches
Overall Width
1.150 inches
Unthreaded Mounting Hole Diameter
0.100 inches single mounting facility
Individual Section Quantity
1
Longest Horizontal Distance Between Mounting Centers
1.095 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
0.900 inches single mounting facility
Mounting Method
Flange single mounting facility and unthreaded hole single mounting facility
Actuator Type
Thumbwheel single actuator
Features Provided
Illuminated
Mounting Facility Pattern
Four position rectangular single mounting facility
Terminal Type
Printed circuit
Contact Switching Action
Breaks before makes single section in-line
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9 single section
Contact Arrangement Truth Table
Bcd, 1 pole - 10 positions single section
Color
Black single body
Color
Black single indicator background
Color
White single indicator marking
Style Designator
Rectangular indicating
NSN
5930-01-292-7553
Part Number
T20-02L
Description
Switch,code Indicating Wheel
CAGE
01963

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 T20-02L NSN 5930-01-292-7553

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:
U
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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