
ST0, STR0 5
1.6.2Operation Environment
According tovalidstandardIEC 60 721-2-1,therearedeliveredthese versionsofelectric
actuators:
1) Version „temperate“ fortype climatetemperate
2) Version „tropical“ fortype climatetropicalanddry
3) Version „marine“ fortype climatemarine.
Inaccordance withIEC60 364-1, IEC 60 364-5-51 and IEC 60 364-5-55 withinvalidedition the EA
havetoresist externaleffectsandoperatereliably:
Intheconditionsofthefollowingtypes of environment:
•mildtohotdrywithtemperatureinrange-25°C to+55°C......................................................AA7*
•withrelativehumidity10 to100 %, including the condensation of upto0,029 kgwatercontent per
1kgof dryair at 27 °C, withtemperaturesfrom-25°Cup to+55°C..........................................AB7*
•withheight abovesealevel2000 m, withbarometricpressurerange86to108 kPa..............AC1*
•withsplash water effectsfromall directions(protection enclosureIPx4).................................AD4*
•withshallowimmersion –(productshieldingIPx7)..................................................................AD7*
•withmoderatedustiness- witheffectsofflame-proof,non-conductingandexplosion-proof dust,
mediumcover of dust;dustfall morethan 35but atmost350mg/sq. m per day(protection
enclosureIP5x).......................................................................................................................AE5*
•witheffectsofflame-proof,non-conductingand explosion-proofdust, mediumcoverofdust; dust
fall morethan 350butat most1000 mg/sqm per day(protection enclosureIP6x)..................AE6*
•withatmosphericoccurrence of corrosiveand pollution media.................................................AF2*
•withpossibilityofeffectsof:mediumsinusoidvibrations withfrequencyinrangefrom10 up to150
Hz,withshift amplitude of0.075 mmforf<fpandwithacceleration amplitude of9,8m/s2forf>fP
(transition frequencyfP isfrom57 upto62 Hz)(applies to2pillarsversion).............................AH2*
•withpossibilityofeffectsof:mediumsinusoidvibrations withfrequencyinrangefrom10 up to150
Hz,withshift amplitude of0.15 mmforf<fpand withacceleration amplitude of19.6m/s2forf>fP
(transition frequencyfP isfrom57 upto62 Hz)(applies to4pillarsversion).............................AH2*
•medium impacts,shocksand vibrations .................................................................................AG2*
•withseriousdangerof plantsandmouldgrowing.....................................................................AK2*
•withseriousdangerof animaloccurrence(insects, birds,small animals).................................AL2*
•withdamagingeffectsofradiation:
•erraticcurrentleakage,withintensityofmagneticfield(DC and AC,linefrequency)to400A/m
............................................................................................................................................AM2-2*
•witheffectsofmediumseismicactivitywithacceleration >300 Gal <600Gal........................AP3*
•withindirectendangerbystorm..............................................................................................AQ2*
•withquick airmovementand strongwind........................................................................AR3,AS3*
•without occurrence of dangerous mediainthe object...............................................................BE1*
•withpersons frequenttouchingearthpotential(persons often touch conductivepartsortheystand
on theconductivebasement)................................................................................................ BC 3*
*Marking in accordancewith IEC60364-1, IEC 60 364-5-51 and IEC 60 364-5-55 withinvalid edition