Model: L20-18AB

Code Indicating Wheel Switch

Properties:

Hazardous Locations/environmental Protection
Shock resistant and vibration resistant
Overall Length
0.500 inches
Overall Height
2.170 inches
Overall Width
1.150 inches
Individual Section Quantity
1
Mounting Method
Printed circuit single mounting facility
Actuator Type
Lever single actuator
Contact Voltage Rating In Volts
240.0 ac at sea level
Contact Voltage Rating In Volts
240.0 dc at sea level
Switch Actuator Indexing Position Quantity
16 single actuator
Terminal Type
Printed circuit
Contact Load Current Rating
500.0 milliamperes resistive load ac at sea level
Contact Load Current Rating
500.0 milliamperes resistive load dc at sea level
Readout Indicator Marking
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f single section
Contact Arrangement Truth Table
Special single section
Special Truth Table Identification
01963-35 single section
Color
Black single body
Color
Black single indicator background
Color
White single indicator marking
Precious Material And Location
Contact and printed circuit board circuit surfaces gold and contacts silver
Precious Material
Gold and silver
Style Designator
Rectangular indicating
NSN
5930-01-298-8175
Part Number
L20-18AB
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 L20-18AB NSN 5930-01-298-8175

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:
G
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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