Model: A4-145K3-4

Sensitive Switch

Properties:

Body Style
Bushing/hole mounted
Overall Length
1.250 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
0.500 inches
Overall Height
2.891 inches
Overall Width
0.491 inches
Bushing Length
0.500 inches
Body Length
1.250 inches
Body Width
0.491 inches
Body Height
1.672 inches
Case Material
Plastic
Actuator Style
Round
Actuator Diameter
0.484 inches
Actuator Height
0.719 inches
Actuator Free Position Height
1.219 inches
Maximum Voltage Rating In Volts
250.0 ac and 30.0 dc
Inclosure Type
Fully enclosed
Mounting Method
Threaded bushing
Thready Qty Per Inch (tpi)
32
Thread Size
0.469 inches
Nonpile-up Contact Arrangement
3 pole, double throw, double break/double make, permanent jumper, one position momentary single switch unit
Switch Release Force
6.0 ounces
Switch Actuating Force
40.0 ounces
Actuator Movement
Between 0.094 pretravel inches and 0.125 overtravel inches and 0.040 differential inches
Contact Load Current Rating At Maximum Rated Voltage
15.000 amperes resistive dc and 15.000 amperes resistive ac
Thread Series Designator
Uns
Terminal Type And Quantity
12 tab, solder lug
NSN
5930-00-809-0456
Part Number
A4-145K3-4
Description
Switch,sensitive
CAGE
81640

A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. Includes membrane switch. excludes switch, flexible; switch, pressure; and switch, thermostatic.

Part A4-145K3-4 NSN 5930-00-809-0456

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00399
FIIG:
A053A0
Concept No.:
App. Key:
S
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:
--
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: 8536509050
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, slide, for a voltage not exceeding 1,000 v

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