Model: 121911LC

Rotary Switch

Properties:

Thread Class
2b 1st mounting facility
Overall Length
6.875 inches
Overall Height
4.125 inches
Overall Width
4.375 inches
First Flat Length
0.875 inches single actuator
Flat Height
0.313 inches single actuator
Shaft Diameter
0.375 inches single actuator
Shaft Length
1.510 inches single actuator
Unthreaded Mounting Hole Diameter
0.312 inches 2nd mounting facility and 0.317 inches 2nd mounting facility
Individual Section Quantity
11
Knob Manufacturer Code
82121
Knob Manufacturer Part Number
A
Longest Horizontal Distance Between Mounting Centers
2.281 inches 1st mounting facility
Longest Horizontal Distance Between Mounting Centers
3.813 inches 2nd mounting facility
Longest Vertical Distance Between Mounting Centers
2.281 inches 1st mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 1st section front
Pole Quantity
1 2nd section front
Pole Quantity
1 10th section front
Pole Quantity
1 11th section front
Pole Quantity
1 8th section front
Pole Quantity
1 9th section front
Pole Quantity
1 3rd section front
Pole Quantity
1 4th section front
Pole Quantity
1 5th section front
Pole Quantity
1 6th section rear
Pole Quantity
1 7th section front
Throw Quantity
1 6th section rear
Throw Quantity
1 7th section front
Throw Quantity
1 8th section front
Throw Quantity
1 2nd section front
Throw Quantity
2 4th section front
Throw Quantity
2 5th section front
Throw Quantity
2 9th section front
Throw Quantity
2 10th section front
Throw Quantity
2 11th section front
Throw Quantity
3 1st section front
Throw Quantity
3 3rd section front
Mounting Method
Bracket 1st mounting facility and threaded hole 1st mounting facility
Mounting Method
Bracket 2nd mounting facility and unthreaded hole 2nd mounting facility
Features Provided
Actuator knob
Thready Qty Per Inch (tpi)
20 1st mounting facility
Thread Size
0.250 inches 1st mounting facility
Contact Voltage Rating In Volts
125.0 ac at sea level
Mounting Facility Pattern
Four position rectangular 1st mounting facility
Mounting Facility Pattern
Two position in-line 2nd mounting facility
Switch Actuator Indexing Position Quantity
3 single actuator
Shaft Type
Round, flatted, threaded hole single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Makes before breaks, breaks before makes 3rd section front
Contact Switching Action
Makes before breaks, breaks before makes 4th section front
Contact Switching Action
Makes before breaks, breaks before makes 5th section front
Contact Switching Action
Makes before breaks, breaks before makes 6th section rear
Contact Switching Action
Makes before breaks, breaks before makes 7th section front
Contact Switching Action
Makes before breaks, breaks before makes 8th section front
Contact Switching Action
Makes before breaks, breaks before makes 10th section front
Contact Switching Action
Makes before breaks, breaks before makes 11th section front
Contact Switching Action
Makes before breaks, breaks before makes 1st section front
Contact Switching Action
Makes before breaks, breaks before makes 2nd section front
Contact Switching Action
Makes before breaks, breaks before makes 9th section front
Switch Actuator Positioning Increment
90.0 degrees single actuator
Switch Actuator Stop Device Type
Adjustable stop single actuator
Contact Load Current Rating
10.0 amperes resistive load ac at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Unc 1st mounting facility
NSN
5930-00-854-4646
Part Number
121911LC
Description
Switch,rotary
CAGE
82121

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 121911LC NSN 5930-00-854-4646

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:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.4000lbs
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: 8536509025
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

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

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