Emax Low voltage air circuit-breakers - ABB Download Center

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Construction characteristicsFixed parts of withdrawable circuit-breakersThe fixed parts of withdrawable circuit-breakers have shuttersfor segregating the fixed contacts when the circuit-breaker iswithdrawn from the compartment. These can be locked in theirclosed position using padlock devices.Caption1 Sheet steel supportingstructure2 Single earthing clampmounted on the left for E1, E2and E3, double earthingclamps for E4 and E63 Safety shutters (protectionrating IP20)4 Terminal support base5 Terminals (rear, front or flat)6 Contacts signalling that thecircuit-breaker is racked-in,test isolated, racked-out7 Sliding contacts8 Padlock device for safetyshutters (on request)9 Fastening points (4 for E1, E2,E3 and 6 for E4, E6)1716483521SDC200022F00019ABB SACE 1/7
Construction characteristicsUtilization category1Selective and current-limiting circuit-breakersSelective (non current-limiting) circuit-breakers are classifiedin class B (according to the IEC 60947-2 Standard). It is importantto know their Icw values in relation to any possible delayedtrips in the event of short-circuits.The current-limiting circuit-breakers E2L and E3L belong toclass A. The short-time withstand current Icw is not very importantfor these circuit-breakers, and is necessarily low due to theoperating principle on which they are based. The fact that theybelong to class A does not preclude the possibility of obtainingthe necessary selectivity (e.g. current-type or time-type selectivity).The special advantages of current-limiting circuit-breakersshould also be underlined. In fact, they make it possible to:– significantly reduce the peak current in relation to the prospectivevalue;– drastically limit specific let-through energy.The resulting benefits include:– reduced electrodynamic stresses;– reduced thermal stresses;– savings on the sizing of cables and busbars;– the possibility of coordinating with other circuit-breakers inthe series for back-up or discrimination.987 6b 6a987 6Caption10111SDC200023F0001Selective circuit-breakerE1 B-N, E2 B-N-S, E3 N-S-H-V,E4 S-H-V, E6 H-V5b5a243110111SDC200024F0001Current-limiting circuit-breakerE2 L, E3 L524311 Sheet steel supportingstructure2 Current transformer forprotection trip unit3 Pole group insulating box4 Horizontal rear terminals5-5a Plates for fixed maincontacts5b Plates for fixed arcingcontacts6-6a Plates for main movingcontacts6b Plates for moving arcingcontacts7 Arcing chamber8 Terminal box for fixedversion - Sliding contactsfor withdrawable version9 Protection trip unit10 Circuit-breaker closing andopening control11 Closing springs1/8ABB SACE
Page 2: Main characteristicsRangesInstallat
Page 8 and 9: The new Emax range shines like a li
Page 10: Careful selection of materials, met
Page 13 and 14: Overview of the SACE Emax familyFie
Page 15 and 16: Construction characteristicsStructu
Page 17: Construction characteristicsOperati
Page 21 and 22: Electronic trip unitsGeneral charac
Page 23 and 24: Electronic trip unitsVersions avail
Page 25 and 26: Compliance with StandardsStandards,
Page 28 and 29: The RangesContentsSACE Emax automat
Page 30 and 31: 1SDC200078F00011SDC200079F00011SDC2
Page 32 and 33: Switch-disconnectors1SDC200060F0001
Page 34 and 35: Switch-disconnectors for applicatio
Page 36 and 37: Sectionalizing truckSectionalizing
Page 38: Earthing truckOther versionsEarthin
Page 41 and 42: Installation in switchgearModular d
Page 43 and 44: Installation in switchgearChoosing
Page 45 and 46: Installation in switchgearCurrent-c
Page 47 and 48: Changing the rated uninterrupted cu
Page 49 and 50: Changing the rated uninterrupted cu
Page 51 and 52: Derating at different altitudesSACE
Page 53 and 54: Current-limiting and specific let-t
Page 56 and 57: Overcurrent releases andrelated acc
Page 58 and 59: Operation and protection functionsP
Page 60 and 61: Versions availableThe following ver
Page 62 and 63: Functions L-I1SDC200100F00014Functi
Page 64 and 65: Protection trip units and trip curv
Page 66 and 67: Zone 3 Zone 2 Zone 1Phase unbalance
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Example of events indicated by the
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Measurement functionThe current mea
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Additional Protection functions and
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Functions L-S-It = k1SDC200111F0001
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Function Gt =kI 2t = k1SDC200112F00
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Function RVRV1SDC200125F00014Functi
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Notes:(1) In accordance also with I
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Protection functions and setting va
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Functions L-S-It =kI 21SDC200110F00
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Function LAccording to IEC 60225-3k
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Function UVUV1SDC200123F00014Functi
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Accessories for protection trip uni
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1SDC200129F0001SACE PR010/T configu
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• SD030 AO: the device acquires d
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Circuit-breakers with communication
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Measurement, signalling and availab
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Complete control of the installatio
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AccessoriesContentsFunctions of the
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Accessories supplied as standardThe
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Switch-disconnectorsSwitch-disconne
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1SDC200135F00011b) SOR Test UnitThe
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1SDC200138F00012b) Time-delay devic
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Signal for overcurrent releases tri
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1SDC200147F00015c) Electrical signa
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Transformers and operation counters
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1SDC200163F00018e) Accessory for sh
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Interlock between circuit-breakers1
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The emergency power supply is usual
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ATS021ATS022GeneralAuxiliary Power
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Applications of thecircuit-breakerC
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To guarantee selectivity for Emax c
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Double SThanks to the new PR123 tri
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Solution with the PR123 trip unit w
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The figure at the side showsthe tim
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To carry out the cabling, a shielde
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Primary and secondary distributionB
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By assuming some numerical values f
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Direction (OUT-IN)Bw ➞ BwBw ➞ F
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Direction (OUT-IN)Fw ➞ FwFw ➞ B
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Example of selection of earth fault
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With the same configuration, a faul
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Using the SACE RCQ switchboardelect
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MV-LV substation with multipletrans
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Switching and protection of transfo
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Example:In an installation with Un=
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Table for selecting circuit-breaker
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Switching and protection of asynchr
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WarningThe curves of the motor and
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This protection can be carried out
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Switching and protection of capacit
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ABB SACE 6/436
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Overall dimensionsFixed circuit-bre
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Overall dimensionsWithdrawable circ
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1000 max1000 maxOverall dimensionsC
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Overall dimensionsCircuit-breaker a
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Overall dimensionsCircuit-breaker a
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Circuit diagramsContentsReading inf
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M = Motor for charging the closing
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NotesA) The circuit-breaker is only
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Circuit diagramsCircuit diagram sym
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Circuit diagramsElectrical accessor
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Auxiliary circuits of the PR121, PR
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HMI030(*) Connect 5 and 6 terminals
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WITH SAFETY AUXILIARY VOLTAGE SUPPL
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Ordering codesContentsGeneral infor
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Ordering codesSACE Emax automatic c
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1SDC200259F0001PR121/P PR122/P PR12
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1SDC200259F0001PR121/P PR122/P PR12
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1SDC200259F0001PR121/P PR122/P PR12
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1SDC200260F0001PR121/P PR122/P PR12
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1SDC200260F0001PR121/P PR122/P PR12
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1SDC200260F0001PR121/P PR122/P PR12
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1SDC200260F0001PR121/P PR122/P PR12
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1SDC200261F0001PR121/P PR122/P PR12
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1SDC200262F0001PR121/P PR122/P PR12
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Ordering codesSACE Emax automatic c
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Ordering codesSACE Emax switch-disc
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1SDC200259F00011SDA......R13 Poles
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1SDC200260F00011SDA......R13 Poles
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1SDC200260F00011SDA......R13 Poles
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1SDC200262F00011SDA......R13 Poles
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1SDC200264F00011SDA......R14 PolesE
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1SDC200260F00011SDA......R1E3H/E 12
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1SDC200260F00011SDA......R13 Poles
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1SDC200260F00011SDA......R13 Poles
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1SDC200262F00011SDA......R13 Poles
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Ordering codesSACE Emax MTP earthin
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Ordering codesSACE Emax FP fixed pa
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Ordering codesConversion kit for fi
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Ordering codesSACE Emax accessories
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1SDA.....R1Electrical signalling of
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1SDA.....R1Circuit-breaker lock in
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1SDA.....R1Auxiliary unitsAutomatic
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Ordering codesElectronic trip units
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2) MechanicalinterlocksInstructions
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Contact usABB SACEA division of ABB
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Emax Low voltage air circuit-breakers - ABB Download Center

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