FUSED CONTACTOR
Transcript of FUSED CONTACTOR
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7.2 kV IEC Withdrawable Vacuum Contactor-Fuse Combination Truck
W-SLC Medium Voltagefused contactor truckA safe, reliable and efficient motor starter
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Hydraulics
Powering
business
worldwide
Next generation
transportation
Eaton is driving the
development of new
technologies from hybrid
drivetrains and emission control
systems to advanced engine
components that reduce fuel
consumption and emissions in
trucks and cars.
Higher expectations
We continue to expand ouraerospace solutions and
services to meet the needs
of new aviation platforms,
including the high-flying light jet
and very light jet markets.
Building on our strengths
Our hydraulics business
combines localized service
and support with an innovative
portfolio of fluid power
solutions to answer the needs
of global infrastructure projects,
including locks, canals and
dams.
Powering Greener Buildings
and Businesses
Eatons Electrical Group is
a leading provider of power
quality, distribution and control
solutions that increase energy
efficiency and improve power
quality, safety and reliability.
Our solutions offer a growing
portfolio of green products
and services, such as energy
audits and real-time energy
consumption monitoring.
Eatons Uninterruptible Power
Supplies (UPS), variable-speed
drives and lighting controls help
conserve energy and increase
efficiency.
Eaton delivers the power inside hundreds of productsthat are answering the demands of todays fast changingworld.
We help our customers worldwide manage the powerthey need for buildings, aircraft, trucks, cars, machineryand entire businesses. And we do it in a way thatconsumes fewer resources.
Automotive
Aerospace
lectrical
ruck
Hydraulics
Automotive
Aerospace
lectrical
ruck
ydraulics
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MV Switchgear Technology
is in our DNA
Complete Global Medium Voltage Switchgear Solutions
Eaton, a premier leader in designing and manufacturing powerdistribution and protection equipment in the electrical industry,offers a comprehensive range of medium voltage (MV) solutionsto meet the needs of virtually every application. From productsthat feature cutting-edge design that allow for easy access,maintenance and space savings, to arc-resistant products thatenhance safety, Eatons medium voltage solutions provide avariety of products for every need. Additionally, Eatons globalservice network provides maximum customer support in allregions of the world.
As one of the few completely vertically integrated and diversifiedindustrial manufacturers in the world, Eaton designs not only MV
assemblies, but also the key components that comprise the MVsolutions from steel housing and circuit breaker compartmentsto vacuum interrupters, circuit breakers, bus systems and fuses.
Eatons MV heritage, strengthened by acquisitions such asWestinghouse DCBU, Cutler Hammer, MEM and Holec, hasresulted in breakthrough MV technologies and numerousinternational patents over the years.
Integral to Eatons complete electrical PowerChain Solutions which help businesses increase reliability, efficiency andsafety Eatons medium voltage equipment meets all applicablestandards and certifications such as IEC, NEMA / ANSI, GB, UL,IEEE, KEMA and CSA.
When it comes to medium voltage solutions, you can trust theone name with a long history of proven performance: Eaton.
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Eaton Corporation is a worldwide leader in thedesign, manufacture, and sale of safe, reliableand high-performance medium voltage powerdistribution equipment in accordance with IEC,GB and ANSI standards.
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Introduction
Developed on cutting-edge technologies, Eatons W-SLC withdrawable typevacuum contactor-fuse combination units are world leading in terms of performance,safety and functionality. The W-SLC vacuum contactor-fuse combination units areapplicable in AC systems with voltages up to 7.2 kV and 50/60 Hz. They canbe used in frequently operated heavy loads and harsh environments.
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Product safety featuresThe contactor is prevented from closing and a panelindication is provided when:
Fuse blown and or Fuse not fitted
Additional interlock options are available to interfacewith the panel if appropriate panel designs are incorporatedsuch that:
The truck is prevented from being racked in if: - The front door is open - The earth switch is ON The earth switch cannot be switched ON if the truck is
in the Service Position. The panel door cannot be opened if the truck is in
the Service Position.
ApplicationsW-SLC vacuum contactor-fuse combinationmotor starting applications:
Squirrel-cage induction motors Synchronous motors Wound-rotor motors
Suitable for: Full voltage starting Reduced voltage starting
The perfect choicefor all applications HVAC Mining Automotive Petrochemical Pulp and Paper
Pumps, Fans, Conveyors and Crushers
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Utilization conditionsEatons vacuum contactor-fuse combination unitsare suitable for use in the following conditions:
Ambient temperatue: -15 C to +40 C Relative humidity: max. 95% non-condensing Altitude: up to 1000 m
Please contact Customer service for special requirements.
Design and testing standardsEatons vacuum contactor-fuse combinationunits are fully in line with IEC standards.
IEC 62271-200 IEC 60470
Key technical features*
The ratings for new vacuumcontactor-fuse combination units:
Voltage: up to 7.2 kV Current: Contactor continuous current: 400 A Combination Continuous current: 200 A Breaking: up to 50 kA with fuse 8500 A interrupting rating without fuse
Control voltages:
110, 220 50 Hz Vac 120, 240 60 Hz Vac 110, 120 Vdc
Service life: 300,000 electrical operations 1,000,000 mechanical operations* For detailed information, please refer to technical data table
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DimensionsEatons mid-mounted type withdrawable vacuum contactor-fuse combination units
Striker Pin length after fuse blown = 10 - 16mm
Maximum dimensions for fuse
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Electrical operationWiring Diagram
Auxiliary contacts when the trolley is onTest Position or connected Position
Note: The drawing is shown with the Contactor
Truck in the withdrawn Test Position,
de-energised, with fuses fitted and healthy.
+Ve +Ve
-Ve
K1
K1
K1
Y1
-Ve
Q1
Fusestatus
IndicationCircuit
Closing Circuit HousingEarthing
OpeningCircuit
Auxiliary Contact Circuits
Electrical operation wiring diagram of W-SLC-400 withdrawable vacuum contactor-fuse combination units
64 Pin Secondary Disconnect
K1: Closing / Holding relayPC: Operations counterQ1: Auxiliary contact (switching when the contactor closes or trips)SC: Closing buttonSO: Opening buttonS1: Auxiliary contact (switching when fuse is blown or not fitted)*S8: Auxiliary contact (switching when the trolley is on Test Position)S9: Auxiliary contact (switching when the trolley is on Connected Position)Ve: Control supplyV1: Bridge rectifier (not included for DC applications)Y1: Closing coil
* When MV fuse is replaced by a link S1 only switches
when Open push button is pressed.
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Mechanical latching optionWiring Diagram
Note: The drawing is shown with the Contactor
Truck in the withdrawn Test Position,
de-energised, with fuses fitted and healthy.
K1: Closing relayK2: Trip relayPC: Operations counterQ1: Auxiliary contact (switching when the contactor closes or trips)SC: Closing buttonSO: Opening buttonS1: Auxiliary contact (switching when the fuse is blown or not fitted)*S8: Auxiliary contact (switching when the trolley is on Test Position)S9: Auxiliary contact (switching when the trolley is on Connected Position)Ve: Control supplyV1: Bridge rectifier (not included for DC applications)V2: Bridge rectifierY1: Closing coilY2: Trip coil
* When MV fuse is replaced by a link S1 only switches
when Open push button is pressed.
+Ve +Ve +Ve +Ve +Ve
Y1
Q1
Y2
-Ve -Ve -Ve -Ve
Q1
Fusestatus
IndicationCircuit
Closing Circuit HousingEarthing
Opening Circuit Auxiliary Contact Circuits
Mechanical latching wiring diagram of W-SLC-400 withdrawable vacuum contactor-fuse combination units
64 Pin Secondary Disconnect
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Selection and ordering information
Type W-SLC, 400 A, vacuum contactor ratingsRatedutilizationvoltage
Interrupting rating (kA) Application table Transformer(kVA)
Capacitor(A)*
Maximuminsulationvoltage (V)Unfused Fused Induction
motor (kW)Synchronous motor (kW)
(0.8 PF) (1.0 PF)
2200 - 25003000 - 36003800 - 48006000 - 6900
8.58.58.58.5
50505050
1300167522503350
1300167522503350
1500185026004100
1500200025004000
295 7200
*Ratings not applicable for back-to-back switching. Please contact Customer Service for back-to-back switching applications.
Rated current.......................................................400 A enclosed Max fuse rating .................................................................. 355 A Fused combination ............................................................. 200 A
IEC make-break capability-AC4 Make ................................................................................ 4000 A Break ................................................................................ 3200 A
Maximum interrupting current (3 Operations) ................................................................... 8500 A
Short time withstand current 30 Second ........................................................................ 2400 A 1 Second .......................................................................... 6000 A 8.7 ms (0.5 Cycle) ......................................................63 kA peak
Fuse protected (based on fuse cut-off) .............................. 50 kA
Normal service altitude.......................................... 1000 meters
Mechanical life................................................................ 1 million
Electrical lifeAC3 & AC4 ....................................................300,000 operations
Impulse withstand..............................................................60 kV
Dielectric strength......................................20 kV rms (1 minute)
Closing time (Energization to contact touch) ....................................< 120 ms
Opening times (field selectable).........................< 50 330 ms
Arcing time.............................................................12 ms or less
Control voltages ac/Hz..................... 110 / 50, 120 / 60, 220 / 50, 240 / 60 Vac/Hz dc........................................................................... 110 / 220 Vdc
Pickup voltage..........................................80% rated coil voltage
Dropout voltage.......................................60% rated coil voltage
Control circuit burden Closing 100 125 V ........................................................... 1 kVA 200 240 V ........................................................1.8 kVA Holding 100 125 V ...........................................................40 VA 200 240 V ...........................................................50 VA
Auxiliary contact rating
Voltage (maximum) ............................................................ 600 V Continuous current ............................................................... 10 A Making capacity (ac) ...................................................7200 VA (dc) .....................................................125 VA Breaking capacity (ac) .....................................................720 VA (dc) .....................................................125 VA
Latch (when specified) Mechanical life .............................................250,000 Operations Trip voltage (dc) ......................................................... 24 V (dc) ....................................................... 125 V (ac) ..............................................110 / 120 V Minimum trip voltage ....................................80% Rated Coil V Trip burden .......................................................................400 VA Trip time .............................................................................30 ms
Weight (without fuses).......................................................96 kg
Specifications
Order instruction
W-SLC 1 SLC014S 5 Y - 66 5
IEC draw-out contactor IEC SLcontactor7.2 kV, 400 A1= with fuses
0= fuses replacedby conductors
Note: fuses are
supplied by user
Contactors auxiliary contact66= 6 NO, 6 NC
Coil drop-out time5= 30 ms6= 50 ms7= 130 ms8= 250 ms9= 330 ms
Coil voltageA= 120 Vac/60 HzB= 240 Vac/60 HzU= 110 Vac/50 HzW= 220 Vac/50 HzX= 110 VdcY= 220 Vdc
Mechanical latch(Coil voltage)0= None4= 110/50, 120/60 Hz5= 220/50, 240/60 Hz
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1874 1886 1911 19981893 19901962 19991983190819061899 1963
The power of fusion.
Theres a certain energy at Eaton. Its the power of uniting someof the worlds most respected names to build a brand you cantrust to meet every power management need. The energy createdsupports our commitment to powering business worldwide.
From power distribution to power quality and control, Eaton allows
you to proactively manage your complete power system byproviding electrical solutions that make your applications safer,more reliable, and highly efficient. Visit www.eaton.com/electrical.
All of the above are trademarks of Eaton Corporation or its affiliates. Eaton has a licenseto use the Westinghouse brand name in Asia Pacific. 2009 Eaton Corporation.
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Eatons electrical business is a global leader with expertisein power distribution and circuit protection; backup powerprotection; control and automation; lighting and security;structural solutions and wiring devices; solutions for harshand hazardous environments; and engineering services.Eaton is positioned through its global solutions to answertodays most critical electrical power management challenges.
Eaton is a diversified power management company providingenergy-efficient solutions that help our customers effectivelymanage electrical, hydraulic and mechanical power. Thecompany is a global technology leader in electrical products,
systems and services for power quality, distribution andcontrol, power transmission, lighting and wiring products;hydraulics components, systems and services for industrialand mobile equipment; aerospace fuel, hydraulics andpneumatic systems for commercial and military use; andtruck and automotive drivetrain and powertrain systemsfor performance, fuel economy and safety. Eaton acquiredCooper Industries plc in 2012. Eaton has approximately100,000 employees and sells products to customers in morethan 150 countries. For more information, visit www.eaton.eu.
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Europe, Middle East and AfricaEaton Industries (Netherlands) B.V.P.O. Box 237550 AA Hengelo
The NetherlandsTel.: +31 74 246 4012Fax: +31 74 246 4601
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Changning DistrictShanghai 200335, P.R.ChinaTel.: +86 21 5200 0099Fax: +86 21 5200 0200www.eatonelectrical.com.cn
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The information provided in this documentreflects the general characteristics of the
referenced products at the time of issue andmay not reflect their future characteristics.Eaton Corporation reserves the right tomodify the contents of this documentand the characteristics of the referencedproducts without prior notification. EatonCorporation does not assume liability forpotential errors or omission of informationin this document.