Model: JR21

Rotary Switch

Special Features:

Shaft undercut 0.125 in.

Properties:

Thread Class
2b single mounting facility
Hazardous Locations/environmental Protection
Dustproof
Overall Length
11.395 inches
Overall Height
2.812 inches
Overall Width
2.812 inches
Shaft Length
2.275 inches single actuator
Individual Section Quantity
21
Longest Horizontal Distance Between Mounting Centers
2.297 inches single mounting facility
Longest Vertical Distance Between Mounting Centers
2.297 inches single mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section periphery
Throw Quantity
8 each section periphery
Mounting Method
Threaded hole single mounting facility
Thready Qty Per Inch (tpi)
24 single mounting facility
Thread Size
0.190 inches single mounting facility
Contact Voltage Rating In Volts
125.0 ac at sea level
Contact Voltage Rating In Volts
125.0 dc at sea level
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
8 single actuator
Shaft Type
Rectangular/square, threaded hole single actuator
Square Shaft Size
0.247 inches single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes each section periphery
Switch Actuator Positioning Increment
45.0 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
Contact Load Current Rating
5.0 amperes resistive load dc at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Unc single mounting facility
NSN
5930-00-669-9989
Part Number
JR21
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 JR21 NSN 5930-00-669-9989

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:
CRITL:
X

Packaging & Shipping

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