Model: 3SR2B4

Rotary Switch

Properties:

Hazardous Locations/environmental Protection
Dustproof
Overall Length
4.125 inches
Overall Height
4.375 inches
Overall Width
4.125 inches
Shaft Diameter
0.375 inches single actuator
Shaft Length
0.562 inches single actuator
Unthreaded Mounting Hole Diameter
0.312 inches single mounting facility
Individual Section Quantity
2
Longest Horizontal Distance Between Mounting Centers
3.812 inches single mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Pole Quantity
1 each section rear
Throw Quantity
1 each section front
Throw Quantity
1 each section rear
Mounting Method
Bracket single mounting facility
Contact Voltage Rating In Volts
250.0 dc at sea level
Contact Voltage Rating In Volts
450.0 ac at sea level
Switch Actuator Momentary Position
Clockwise single actuator and counterclockwise single actuator
Mounting Facility Pattern
Two position in-line single mounting facility
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes each section rear
Contact Switching Action
Breaks before makes each section front
Switch Actuator Positioning Increment
90.0 degrees single actuator
Contact Load Current Rating
30.0 amperes resistive load ac at sea level
Contact Load Current Rating
30.0 amperes resistive load dc at sea level
Style Designator
Tap, circuit selector
Test Data Document
81349-mil-s-15291 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
3sr class
NSN
5930-00-259-7286
Part Number
3SR2B4
Description
Switch,rotary
CAGE
03950

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 3SR2B4 NSN 5930-00-259-7286

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:
--
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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