Model: 28KM-4-C500M

Rotary Switch

Properties:

Thread Class
2a single mounting facility
Thread Length
0.250 inches single mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
1.125 inches
Shaft Diameter
0.125 inches single actuator
Shaft Length
0.250 inches single actuator
Overall Diameter
0.500 inches
Individual Section Quantity
1
Nonturn Device Type
Flatted bushing at 9: 00 o'clock
Nonturn Device Type
Flatted bushing at 3: 00 o'clock
Operating Tempurature Range
-55.0/+125.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
2 single section rear
Throw Quantity
4 single section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.250 inches single mounting facility
Contact Voltage Rating In Volts
115.0 ac at sea level
Contact Voltage Rating In Volts
28.0 highest dc voltage rating at sea level
Contact Voltage Rating In Volts
6.0 lowest dc voltage rating at sea level
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round single actuator
Terminal Type
Pin
Contact Switching Action
Makes before breaks single section rear
Switch Actuator Positioning Increment
36.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
250.0 milliamperes resistive load ac at sea level
Contact Load Current Rating
1.0 amperes resistive load highest dc voltage rating at sea level
Contact Load Current Rating
1.0 amperes resistive load lowest dc voltage rating at sea level
Precious Material And Location
Contacts and rotor blades silver and contacts and rotor blade surfaces gold
Precious Material
Gold and silver
Style Designator
Miniature, bushing mount
Thread Series Designator
Unf single mounting facility
NSN
5930-01-043-5902
Part Number
28KM-4-C500M
Description
Switch,rotary
CAGE
28057

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 28KM-4-C500M NSN 5930-01-043-5902

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:
C
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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