Model: 3LO-453C/3

Inertia Switch

Special Features:

Sensitivity hemispherical, latching; g range 2 - 20 g's porm 10 pct; insulation resistance 500 megs min at 500 vdc; contact rating 5 amps at 28 vdc, 5 amps at 125 vac; contact resistance less than 0.5 ohms; manual push button reset; spst contact type; termination connector mil-c-26482, ser 1; seal hermetica, 1.0e-5 cc/sec 90 nitrogen, 10 pct helium; altitude method 500.3-proc 1; high temp method 501.3 proc 1 and 2, low temp method 502.3 proc 1 and 2; temp shock method 503.3 proc 1 and 2; humidity method 507.3 proc 1 cycle 1; salt fog method 509.3 proc 2; sand and dust method 510.3 proc 1 and 2 for 4 hours; explosive atmos method 511.3 proc 1; vibration method 514.2; shock method 516.2 proc 1

Properties:

Overall Length
3.000 inches
Overall Width
2.500 inches
Body Height
1.200 inches
Longest Horizontal Distance Between Mounting Centers
2.630 inches
Shortest Horizontal Distance Between Mounting Centers
1.750 inches
Mounting Method
Unthreaded hole
Mounting Facility Pattern
Four position rectangular
Contact Voltage Rating In Volts
125.0 ac at altitude second voltage
Contact Voltage Rating In Volts
28.0 dc at altitude first voltage
Style Designator
Rectangular w/mounting lugs
Supplementary Features
Calibration setting is adjusted when the units are mounted flat; for upward and downward acceleration sensing the unit is to be mounted at 45 deg; when mounted at 45 degrees the acceleration trigger level will obey the law of cosines; axes unidirectional
NSN
5930-01-520-3392
Part Number
3LO-453C/3
Description
Switch,inertia
CAGE
21928

A switch which is specifically designed to be actuated by an abrupt change in velocity of the item upon which it is mounted.

Part 3LO-453C/3 NSN 5930-01-520-3392

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02016
FIIG:
A048B0
Concept No.:
1
App. Key:
C
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:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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