Motor-protective circuit-breakers - Moeller Electric Parts

For Moeller Electric Sales and Support call KMparts.com (866) 595-9616PKZ2 motor-protective circuit-breaker8/52EngineeringCharacteristic curvesPKZ2S-PKZ2 high-capacity contact module, SE1A-PKZ2 contact moduleNormal switching dutykWRated output of three-phasemotors 50...60 HzAC-3/400V18.515117.55.5432.21.51.10.750.550.370.25ARated operationalcurrent 50...60 Hz3528.522.115.411.48.86.85.23.62.651.86Normal switching dutyS(E1A)-PKZ21.421.050.810.1 0.2 0.4 0.6 0.8 1 2 3 4 5 6 8 10Component lifespan (millions of operations)Moeller HPL0211-2007/2008Normal AC induction motorOperatingcharacteristics:Typical applications:Starting:Stopping:compressorspumpsfansvalvesElectrical characteristics: Starting:Stopping:http://catalog.moeller.netfrom restduring runningliftsescalatorsconveyorsbucket-elevatorsmixersagitatorscentrifugesairconditioningsystemsGeneral drives for manufacturing and processingmachinesup to6 X rated motor current1 X rated motor currentUtilization category:100 % AC-3Extreme switching dutieskWRated output of three-phasemotors 50...60 Hz3528.522.115.411.48.86.85.23.62.651.861.421.050.81Light switching dutyBreaking currentAC-4/400V18.515117.55.5432.21.51.10.750.550.370.25ARated operationalcurrent 50...60 HzAC-1/400VA403528,522,115,411,48,86,85,23,62,651,861,421,050,81Extreme switching dutyS(E1A)-PKZ20.01 0.02 0.03 0.04 0.06 0.1 0.2 0.3 0.4 0.6 1 2 3 4 5Component lifespan (millions of operations)Non-motor loads, 3-poleS(E1A)-PKZ20,1 0,2 0,4 0,6 0,8 1 2 3 4 5 6 8 10Component lifespan (millions of operations)Normal AC induction motorOperatingInching, plugging, reversingcharacteristics:Typical applications: printing machineswire-drawing machinescentrifugesSpecial drives on manufacturing and processingmachinesElectrical characteristics: Starting:Stopping:Utilization category:Non-motor loadsOperatingcharacteristics:Typical applications:100 % AC-46 X rated motor current6 X rated motor currentNon inductive and slightly inductive loadsElectricalheatersElectrical characteristics: Starting:Stopping:Utilization category:100 % AC-1up to1.5 X rated current1 X rated currentDetermination of the maximum operating frequency dependant on the rating and utilization category (recommended values)for (high capacity) contact modulesP N = max. motor rating (kW) ops/h= max. operations per hourOps./h90007000600050004000300020001500AC-31000800600500400300AC-42001501000 10 20 30 40 50 60 70 80 90 100%(kW) P N