Model: 9-B-56

Code Indicating Wheel Switch

Properties:

Hazardous Locations/environmental Protection
Dustproof
Overall Length
4.200 inches
Overall Height
1.900 inches
Overall Width
2.235 inches
Unthreaded Mounting Hole Diameter
0.140 inches single mounting facility
Distance Between Mounting Facility Centers
1.200 inches single mounting facility
Individual Section Quantity
5
Longest Horizontal Distance Between Mounting Centers
3.935 inches single mounting facility
Mounting Method
Unthreaded hole single mounting facility
Actuator Type
Thumbwheel all actuators
Contact Voltage Rating In Volts
115.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
8 all actuators
Terminal Type
Printed circuit
Contact Switching Action
Breaks before makes each section in-line
Contact Load Current Rating
3.0 amperes resistive load dc at sea level
Contact Load Current Rating
3.0 amperes resistive load ac at sea level
Readout Indicator Marking
0, 1, 0, 1, 0, 1, 0, 1 each section
Contact Arrangement Truth Table
Bcd, 1 pole - 8 positions 1st section
Contact Arrangement Truth Table
Special 2nd section
Contact Arrangement Truth Table
Special 3rd section
Contact Arrangement Truth Table
Special 4th section
Contact Arrangement Truth Table
Special 5th section
Special Truth Table Identification
80070-special 0-1-0-1-0-1-0-1 2nd section
Special Truth Table Identification
80070-special 0-1-0-1-0-1-0-1 3rd section
Special Truth Table Identification
80070-special 0-1-0-1-0-1-0-1 4th section
Special Truth Table Identification
80070-special 0-1-0-1-0-1-0-1 5th section
Color
Black each body
Color
Black each indicator background
Color
White each indicator marking
Style Designator
Rectangular inline indicating
NSN
5930-01-171-8920
Part Number
9-B-56
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 9-B-56 NSN 5930-01-171-8920

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.5000lbs
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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