Model: A20-1-8B18NCOPD

Rotary Switch

Special Features:

Deck identification consists of letter for each deck a through h located adjacent to common terminal

Properties:

Thread Class
2a 1st mounting facility
Thread Class
2a 2nd mounting facility
Thread Length
0.500 inches 2nd mounting facility
Thread Length
0.375 inches 1st mounting facility
Overall Length
4.425 inches
First Flat Length
0.250 inches single actuator
Flat Height
0.210 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.375 inches single actuator
Overall Diameter
2.000 inches
Nonturn Device Radius
0.372 inches at 12: 00 o'clock
Individual Section Quantity
8
Nonturn Device Type
Tab at 12: 00 o'clock
Operating Tempurature Range
-65.0/+125.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Throw Quantity
18 each section rear
Mounting Method
Threaded bushing w/panel seal 1st mounting facility
Mounting Method
Threaded stud 2nd mounting facility
Thready Qty Per Inch (tpi)
32 1st mounting facility
Thready Qty Per Inch (tpi)
56 2nd mounting facility
Thread Size
0.086 inches 2nd mounting facility
Thread Size
0.469 inches 1st mounting facility
Contact Voltage Rating In Volts
115.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Rotor Through Connection Quantity
1 each section
Switch Actuator Indexing Position Quantity
18 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
20.0 degrees single actuator
Contact Load Current Rating
3.0 amperes resistive load dc at sea level and 2.0 amperes inductive load dc at sea level
Contact Load Current Rating
5.0 amperes resistive load ac at sea level
Style Designator
Tap, circular, bushing mount
Thread Series Designator
Unc 2nd mounting facility
Thread Series Designator
Uns 1st mounting facility
NSN
5930-01-267-2824
Part Number
A20-1-8B18NCOPD
Description
Switch,rotary
CAGE
91812

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Part A20-1-8B18NCOPD NSN 5930-01-267-2824

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02134
FIIG:
A052B0
Concept No.:
1
App. Key:
A
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509020
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v

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