T4T4.9Contactorsfig.8AEndurance curve(Operations vs. switching-off current)AC-1/400 V 3- for CTX 24, 40, 63AC-1/230 V 1- for CTX 20fig.8BEndurance cur
T4T4.10GE Power ControlsComfort FunctionsFeaturesPhoto 1 shows the front view of a 1 and 2 modulerelay.The main characteristics are printed in the upp
T4T4.11RelaysLamp typeIncandescentFluorescent uncompensatedFluorescent 2-lamp circuitFluorescent paralel compensatedMetal Halogen uncompensated(l.e. H
T4T4.12GE Power ControlsComfort FunctionsTransformer typeTransformers for low voltage halogen lampsPermitted number of transformers16A3915107532Text f
T4T4.13Impulse switchesPulsar SImpulse switchesFunctionImpulse switches are electromechanical orelectronically controlled switches used to controlsing
Remote indication of the contact position can beaccomplished by means of the add-on auxiliarycontact module PLS 0411 (photo 2). The auxiliarycontact c
T4T4.15Impulse switchesElectronic impulse switchesHere the two stable positions are generated by meansof a bi-stable electronic circuit that operates
T4T4.16GE Power ControlsComfort FunctionsLamp typeIncandescentFluorescent uncompensatedFluorescent 2-lamp circuit Fluorescent paralel compensatedMetal
T4T4.17Impulse switchesTransformer typeTransformers for low voltage halogen lampsPLS xx 10 13 (+ PLS C + PLS M)PLS xx 10 25 (+ PLS C + PLS M)PLS xx 11
T4T4.18GE Power ControlsComfort FunctionsPulsar TSStaircase switchesFunction and rangeA staircase light switch is a special purpose delay-off timer.In
ElfaPlusT4.1T1T2T3T4T4.2T4.5T4.10T4.13T4.18T4.21T4.23T4.25T4.29T4.32T4.35T4.44Circuit ProtectionPeople ProtectionAdd-on DevicesComfort FunctionsAster
T4T4.19Staircase swithcesAlso in this case, the function of the staircase timeswitch or the circuit that it operates can beindicated behind the circui
PLT S F150 mAT4T4.20GE Power ControlsComfort FunctionsFigure 11 shows in detail the different voltage-waveforms as function of time:- V1 = supply volt
T4T4.21Timing relaysPulsar TTiming relaysFunctionUse of incoming impulses to give predictableoutput-impulses.Operating functions andapplicationsFigure
T4ProgrammingExcept for the multifunction timing relay, all deviceshave two dials to set the delay (see photo 1). Theupper one 1 is the preset of a ti
T4T4.23Electromechanical timersClassicElectromechanical timersIntroductionThe Classic family of electromechanical timers isused to switch loads on and
T4T4.24GE Power ControlsComfort FunctionsTerminologyProgram per channelExamples- 1x24x2 is a daily timer (1x24); minimum durationbetween 2 subsequent
T4T4.25Electromechanical timersGalaxDigital timersIntroductionThe Galax family of digital timers is used to switchloads on and off, according to a pre
T4.26GE Power ControlsComfort FunctionsType-name definitionThe type-name of a Galax timer is a uniquedesignation that includes the main features of th
T4.27Digital timersT4Cycle/Impulse functionGenerating a impulse-train with short pulses and ashort pauses with a standard timer would consumea huge pa
T4T4.28GE Power ControlsComfort FunctionsProgrammingProgramming ToolsBesides programming the GLX Q 6 digital timersmanually, it is also possible use t
AsterSwitches and push-buttonsIntroductionThe Aster family of devices covers 3 sub-families:- Switches and push-buttons 16 and 32A- Rotary switches 32
T4T4.29Digital timersGalax LSSLight sensitive switchesFunction and rangeA light sensitive or twilight switch is an electronicswitch that switches its
T4Multilevel/multichannel light sensitive operationwith 1 photocellBased on the external light intensity, the lightintensity of a (large) room can be
T4.31Light sensitive switchesT4Setting up a twilight switch forcorrect operation1.Connect the light sensitive sensor or photocell tothe appropriate te
T4.32GE Power ControlsComfort FunctionsT4Series TTransformersFunction and rangeTransformers are mainly used for 2 reasons:- To galvanically separate o
T4.33TransformersT4One combined vs. two separate secondarywindings or voltagesIn a transformer with one combined secondarywinding for 2 voltages, obvi
T4.34GE Power ControlsComfort FunctionsT4General remarks- DO NOT put secondary windings of transformersin parallel in order to increase the output pow
T4.35TransformersT4Series MTMeasurement InstrumentsFunction and rangeThe range of AC-measurement-instruments consistsof 2 main families: analogue and
T4.36GE Power ControlsComfort FunctionsVoltmeterIn the case of a digital voltmeter, besides theconnection of the circuit of which the voltage needsto
T4.37Measurement instrumentsT4The scaleplates of the analogue Ammeters can beeasily interchanged as is illustrated in photo 1.Using a digital Ammeter
T4.38GE Power ControlsComfort FunctionsEnergy (kWh) meterFigures 14 to 18 show the different ways ofconnecting the single and three-phase energymeters
T4.3Switches and push-buttonsRotary switchesFeaturesPhoto 2 shows the front view of the rotary switches.The main characteristics are printed in the up
T4.39Measurement instrumentsT4fig.20fig.19
T4.40GE Power ControlsComfort FunctionsT4Net analysers (Multi Meters)The series MT DN 1 and MT DN 3 are electronicinstruments especially developed for
T4.41Net analysersT4By pressing ENTER, the third subpage shows thevalues of the active/reactive energy of the 3rd tariffmeter.+kWh (3) 00000000.00+kVA
T4.42GE Power ControlsComfort FunctionsT4By choosing ‘Inputs’ and pressing UP, the followingscreen appears:inp.1 000 /impinp.2 000 /impener IP 15 mint
T4.43Net analysersT4Typical setups for serial communicationfig.24fig.25fig.26
T4.44GE Power ControlsComfort FunctionsSurgeGuardSurge arrestersIntroductionIn order to protect any type of electric or electronicequipment such as TV
T4.45Surge arrestersOvervoltages and dito protectionAll electrical and electronic devices on the market arenormally designed according to the applicab
V-I characteristicsT4.46GE Power ControlsComfort FunctionsSPD-technologyTable 3 shows the various technologies that canbe applied to protect an instal
T4.47Surge arrestersDifferent earthing systemsrequire different SPD’sDepending on how the earthing of the powerdistribution system is implemented, sin
T4T4.48GE Power ControlsComfort FunctionsIT and TN-C earthing systems require single-poleSPD’sAs can be seen in figure 5, the main differencebetween a
Mains disconnect switchesFeaturesPhoto 4 shows the front view of the mainsdisconnect switches.The main characteristics are printed in the upperpart of
T4T4.49Surge arrestersThe SGC40 has a 15µH coil, capable of conducting40A, included in the range for this purpose.Figures 9 and 10 are illustrating th
T4T4.50GE Power ControlsComfort FunctionsAll types are equipped with 50mm2terminals 2with captive Pozidriv screws. The terminal-positionis aligned wi
T4T4.51Surge arrestersfig.14Ground surface more than 4500 m24Ground surface from 2000 to 4500 m22Ground surface less than 2000 m21- The higher the de
Installation guidelinesAlthough the installation of an SPD is relatively easyand can be done very fast, correct installation is vital.Not just for the
T4Keep the lead length shortAs the let-through or residual voltage of a SPD isthe primary measurement of a protectors’effectiveness, special care need
T4T4.54GE Power ControlsComfort FunctionsAvoid installing an SPD downstream of asensitive RCDAn MOV-based SPD always has a leakage currenttowards eart
T4.5ContactorsContaxContactorsFunctionContactors are electromechanically controlledswitches, mainly used to control high power single-or multi-phase l
T4.6GE Power ControlsComfort FunctionsDay-Night contactorsThis contactor was designed to be used in dualtariff (Day-Night) applications. The number on
T4.7ContactorsTypeCTX 24CTX 40CTX 631 currentpath24.0 A21.0 A17.0 A7.0 A0.9 A40.0 A23.0 A18.0 A8.0 A1.0 A50.0 A25.0 A20.0 A9.0 A1.1 A3 currentpaths se
T4T4.8GE Power ControlsComfort FunctionsLamp typeMetal-halogen lampseg. HQI, HPILow pressure sodium vapor lampsHigh pressure sodiumvapor lampsTransfor
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