Mars Door Limit Switch Submittal

Door Limit Switches
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NEMA1toNEMA9Models
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14716 S. BROADWAY, GARDENA, CA 90248 ● Ph: [phone] Fax: [phone] ● www.marsair.com
© Copyright Mars Air Systems, LLC 2014
NOTE:MARSAIRSYSTEMS,LLCreservestherighttochange specificationsandproductdesignwithoutnotice.Suchrevisionsdonotentitlethebuyertocorrespondingchan ges,improvements,additions,orreplacements
forpreviouslypurchasedequipment.
 MARSAIRSYSTEMS,LLC ● GARDENA,CA ● USA VM,05/29/20
99‐014–CombinationPlunger/RollerType
Door Switch
Number
Description Voltage Phase HP Amperage Poles NEMA Rating
99‐013 StandardRollerType 250V 1 1 20 1 NEMA1
99‐014 StandardCombinationPl unge r/Roll e rType 250V 1 1 20 1 NEMA1
99‐270 WashdownRollerType 250V 1 1 20 1 NEMA4X
99‐016 ExplosionResi stant1RollerType 250V 1 3/4 15 1 NEMA7&9
 Door Limit Switches
Note:DONOTGROUNDtheCOMterminal.Thisisthecommonterminalandnotgroundorneutral.Pleaseseethewiring
instructionsfortheswitches.
Features:
 UR(ULRecognized)andratedforNEMA1(fieldinstalledbyothers)
 Combinationplunger/Roller(99‐014)&RollerType(99‐013)doorlimitswitches
availabletosuitvariousapplications
 Onlyavailablefor115V,208Vor230V,1Øpower(Ifanyoftheratingsare
exceeded,anoptionalmotorcontrolpanel mustbeused)
 Maximumratingsof1HP,250Vand20A.Seemodelspecs
 Singlepoleterminal(1P)normallyclosed(NC)andnormallyopened(NO)contact.
OnlytheNCterminalsareusedandprovidedwithterminalscrews
 Usedwhenautomaticcontrolofanaircurtain(s)isrequired
 Turnstheaircurtainonwhenthedooropensandoffwhenthedoorcloses
 1yearpartswarranty
 Requireslessthan1/8"oftravelor2lbs.offorceontheswitchplungertoenergizeandde‐
energizetheaircurtain
 1/2"FPTconduitconnection(fieldwiredbyothers)
 (2)11/64”mountingholesprovided*
*Donotuseafastenerlargerthana#6sheetmetalscrewora#8Machinescrewtomountthis
doorlimitswitch.Forcinglargerscrewsthroughthemountingholesmaydestroytheswitchand
voidthewarranty.
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OptionsandAccessories:(seeAccessoriesBrochure)
Washdown 
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UR(ULRecognized)andratedforNEMA4X/IP55(fieldinstalledbyothers)
 RollerType99‐270areratedfor250V,20A,1HP
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ExplosionResistant
 UR(ULRecognized)andratedforNEMA7&9(Class1,Division1,GroupD)
(fieldinstalledbyothers)
 RollerTypes99‐016areratedfor250V,15A,¾HP
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99‐016–ExplosionResistantRollerType
99‐013‐RollerType
99‐270–WashdownRollerType