TM
InterlockSwitch
381 GuardSwitch
1/2" conduit enclosure
Applications
•RequiringHighlyDefeatResistantSwitches
•Heavy-dutyHousing
•ConduitConnection
•Terminals
•Non-washdownEnvironment
4.70''
11.94cm
3.98''
10.11cm
0.36''
0.91cm
1.08''
2.74cm
1.51''
3.84cm
0.19''
0.48cm
0.54''
1.37cm
1.56''
3.96cm
4.70''
11.94cm
1.60''
4.06cm
0.29''
0.74cm
0.73''
1.85cm
3.69''
9.37cm
0.65''
1.65cm
0.29''
0.74cm
1/2'' NTP
0.29''
0.74cm
0.19'' 1.31''
0.48cm 3.33cm
300 SerIeS
CoatedAluminum
TemperatureRange
-40°Fto180°F(-40°Cto80°C)
Environmental
HermeticallySealedContactSwitch EncapsulatedinPolyurethane
NEMARating
1,2,5
ProtectionClass
IP64
ResponseTime
1msec(5.4VA);10msec(150VA)
LifeCycles
100,000UnderFullLoad;
Upto200,000,000UnderDryCircuit
ConduitConnection
1/2"ThreadedNPT
UL/CSA
AllModels
sensing face
Switch
Interlock SwItch
Enclosure
sensing face
Actuator
FileE122942
General Specifications
LR89176
Order Info.
Electrical Specifications
Part no.
contact
Config.
381-CT
N.O.
2.5VA
381-DT4
N.O.
150VA
1
load rating
AC
DC
Switching Voltage, Max.
AC
DC
Switching current, Max.
AC
DC
contact
Resistance
Sense range2
Max.
Min.
Break
Range
terminal
Type
2.5W 30V(@0.08A) 30V(@0.08A) 0.18A(@13.8V)0.18A(@13.8V) 0.5Ohms 0.75"(1.9cm) 0.375"(1.0cm) 1.2"(3.0cm) #6Screw
NA 120V(@1.25A)
NA
1.25A(@120V)3
NA
NA
0.75"(1.9cm) 0.375"(1.0cm) 1.2"(3.0cm) #6Screw
Warning— Each electrical rating is an individual maximum and cannot be exceeded!
Configurationwithactuatorawayfromtheswitch
2
Proximityofferrousmaterialsusuallyreducessenserange—typicallyby50%.Theshapeandtypeofmaterialcauseawidediversityofeffects.
Testingisrequiredtodetermineactualsenserangeforspecificapplications.
3
Canwithstandinrushsurgeupto4amps.Voltagedropis1.5V,minimumswitchcurrent,30mA,triacoutput.
4
Donotexceed10switchesinseries.
1
62
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