33-68 NEMA Contactors & Starters 33 Freedom - of downloads
33-68 NEMA Contactors & Starters 33 Freedom - of downloads
33-68 NEMA Contactors & Starters 33 Freedom - of downloads
Transform your PDFs into Flipbooks and boost your revenue!
Leverage SEO-optimized Flipbooks, powerful backlinks, and multimedia content to professionally showcase your products and significantly increase your reach.
<strong>33</strong>-<strong>68</strong><strong>NEMA</strong> <strong>Contactors</strong> & <strong>Starters</strong><strong>Freedom</strong>Product Family OverviewMarch 2009<strong>33</strong><strong>NEMA</strong> AN16DN0AB<strong>NEMA</strong> Size 1 Starter<strong>NEMA</strong> Size 1 ContactorProduct Description<strong>Freedom</strong> Series starters and contactorsfeature a compact, space-saving design,using state-<strong>of</strong>-the-art technology andthe latest in high strength, impact andtemperature resistant insulatingmaterials.■ Straight-through wiring — line lugsat top, load lugs at bottom.■ Horizontal or vertical mountingon upright panel for applicationfreedom.■ Screw type power terminals havecaptive, backed-out self-lifting pressureplates with ± screws — reducedwiring time.■ Accessible terminals for easy wiring.Optional fingerpro<strong>of</strong> shieldsavailable to prevent electrical shock.■ Top located coil terminals convenientand readily accessible. 45 mmcontactor magnet coils have threeterminals, permitting either top ordiagonal wiring — easy to replaceEuropean or U.S. style startersor contactors without changingwiring layout.■ Encapsulated dual voltage/frequency magnet coils —permanently marked with voltage,frequency and part number. <strong>NEMA</strong>Sizes 00 – 0 have non-encapsulatedcoils as standard.■ Designed to meet or exceed <strong>NEMA</strong>,UL, CSA, VDE, BS and other internationalstandards and listings.■ American engineering — built byEaton, using the latest in statisticalprocess control methods to producehigh quality, reliable products.■ Sized based on standard <strong>NEMA</strong>classifications.■ Easy coil change and inspectable/replaceable contacts.■ Available in Open and <strong>NEMA</strong> Type1, 3R, 4/4X and 12 enclosures.Standards and Certifications■ Standard: Designed to meet orexceed UL, <strong>NEMA</strong>, IEC, CSA, VDEand BS.■ UL listed: UL File #E1491, Guide#NLDX — Open and <strong>NEMA</strong> 1, 4, 12Enclosed■ CSA Certified: CSA File #LR353,Class #321104 Open and <strong>NEMA</strong> 1EnclosedISO 9000 CertificationWhen you turn to Eaton’s Cutler-Hammer Products, you turn to quality.The International Standards Organization(ISO) has established a series <strong>of</strong>standards acknowledged by 91 industrializednations to bring harmony tothe international quest for quality. TheISO certification process covers 20quality system elements in design,production and installation that mustconform to achieve registration. Thiscommitment to quality will result inincreased product reliability and totalcustomer satisfaction.Short Circuit ProtectionFuses and Inverse-Time Circuit Breakersmay be selected per Article 430, Part D<strong>of</strong> the National Electrical Code to protectmotor branch circuits from faultconditions. If higher ratings or settingsare required to start the motor, do notexceed the maximum as listed inException No. 2, Article 430-52.Features<strong>Freedom</strong> <strong>NEMA</strong>■ Adjustable Bimetallic AmbientCompensated Overload relays withinterchangeable heater packs —available in three basic sizes,covering applications up to 900 hp— reducing the number <strong>of</strong> differentcontactor/overload relay combinationsthat have to be stocked. Fixedheater overloads are optional.■ Electronic Solid-State OverloadRelay (C396) available as a standaloneunit and assembled with<strong>Freedom</strong> Contactor.■ A full line <strong>of</strong> snap-on accessoriescommon to both IEC and <strong>NEMA</strong>devices — top and side mountedauxiliary contacts, solid-state andpneumatic timers, etc.Series B1 32A OverloadC396 Electronic OverloadFor more information visit: www.eaton.comCA08102001E
March 2009<strong>NEMA</strong> <strong>Contactors</strong> & <strong>Starters</strong><strong>Freedom</strong><strong>Starters</strong> — 3-Phase Non-reversing and Reversing, Full Voltage<strong>33</strong>-73ContentsDescriptionPageProduct Family OverviewProduct Description . . . . . . <strong>33</strong>-<strong>68</strong>Features . . . . . . . . . . . . . . . <strong>33</strong>-<strong>68</strong>Standards andCertifications . . . . . . . . . . <strong>33</strong>-<strong>68</strong>Catalog NumberSelection . . . . . . . . . . . . . <strong>33</strong>-69<strong>Starters</strong> — 3-Phase Non-reversingand Reversing, Full Voltage,Bi-Metallic OverloadProduct Description . . . . . . <strong>33</strong>-73Features . . . . . . . . . . . . . . . <strong>33</strong>-73Technical Data . . . . . . . . . . <strong>33</strong>-74Wiring Diagrams . . . . . . . . <strong>33</strong>-74Product Selection. . . . . . . . <strong>33</strong>-75<strong>Starters</strong> — 3-Phase Multispeed,Bi-Metallic OverloadProduct Selection. . . . . . . . <strong>33</strong>-76<strong>Starters</strong> — Single-PhaseNon-reversing, Full Voltage,Bi-Metallic OverloadProduct Description . . . . . . <strong>33</strong>-77Wiring Diagrams . . . . . . . . <strong>33</strong>-77Product Selection. . . . . . . . <strong>33</strong>-77<strong>Starters</strong> — 3-Phase Non-reversingand Reversing, Full Voltage,C386 Electronic Overload . . <strong>33</strong>-78Technical Data . . . . . . . . . . . . . <strong>33</strong>-79Accessories . . . . . . . . . . . . . . . <strong>33</strong>-82Auxiliary Contacts . . . . . . . <strong>33</strong>-86DC Magnet Coils . . . . . . . . <strong>33</strong>-88Mounting Plates . . . . . . . . . <strong>33</strong>-89Special Modifications . . . . . . . <strong>33</strong>-90Renewal Parts . . . . . . . . . . . . <strong>33</strong>-91Dimensions . . . . . . . . . . . . . . . <strong>33</strong>-94<strong>NEMA</strong> Size 1 — Cat. No. AN16DN0ABProduct DescriptionNon-reversingThree-phase, full voltage magneticstarters are most commonly used toswitch AC motor loads. <strong>Starters</strong> consist<strong>of</strong> a magnetically actuated switch(contactor) and an overload relayassembled together.<strong>NEMA</strong> Size 1 — Cat. No. AN56DN0ABReversingThree-phase, full voltage magneticstarters are used primarily for reversing<strong>of</strong> 3-phase squirrel cage motors.They consist <strong>of</strong> two contactors and asingle overload relay assembledtogether. The contactors are mechanicallyand electrically interlocked toprevent line shorts and energization<strong>of</strong> both contactors simultaneously.Features■ Bimetallic Ambient CompensatedOverload relays — available in threebasic sizes covering applications upto 900 hp — reducing number <strong>of</strong>different contactor/overload relaycombinations that have to bestocked.These overload relays feature:❑ Selectable Manual or AutomaticReset operation.❑ Interchangeable heater packsadjustable ±24% to match motorFLA and calibrated for 1.0 and1.15 service factors. Heater packsfor smaller overload relay willmount in larger overload relay —useful in derating applicationssuch as jogging.❑ Load lugs built into relay base.❑ Single-phase protection, Class 20or Class 10 trip time.❑ Overload trip indication.❑ Electrically isolated NO-NC contacts(pull RESET button to test).■ The C396 is a self-powered, robustelectronic overload designed forintegrate use with <strong>Freedom</strong> <strong>NEMA</strong>contactors.❑ Tiered feature set to provide coveragespecific to your application.❑ Broad 5:1 FLA range for maximumflexibility.❑ Coverage from 0.05 – 1500 Ampsto meet all your needs.■ Long life twin break, silver cadmiumoxide contacts — provide excellentconductivity and superior resistanceto welding and arc erosion. Generouslysized for low resistance andcool operation.■ Designed to 3,000,000 electricaloperations at maximum hp ratingsup through 25 hp at 600V.■ Steel mounting plate standard on allopen type starters.■ Wired for separate or commoncontrol.Non-reversing■ Holding circuit contact(s) suppliedas standard:❑ Sizes 00 – 3 have a NO auxiliarycontact block mounted on righthandside (on Size 00, contactoccupies 4th power pole position— no increase in width).❑ Sizes 4 – 5 have a NO contactblock mounted on left side.❑ Sizes 6 – 7 have a 2NO/2NCcontact block on top left.❑ Size 8 has a NO/NC contact blockon top left back and a NO on topright back.Reversing■ Each contactor (Size 00 – 8)supplied with one NO-NC sidemounted contact block as standard.NC contacts are wired as electricalinterlocks.<strong>33</strong>CA08102001EFor more information visit: www.eaton.com
<strong>33</strong>-74<strong>NEMA</strong> <strong>Contactors</strong> & <strong>Starters</strong><strong>Freedom</strong><strong>Starters</strong> — 3-Phase Non-reversing and Reversing, Full VoltageMarch 2009<strong>33</strong>Technical DataTable <strong>33</strong>-96. Wire (75°C) Sizes — AWG or kcmil — <strong>NEMA</strong> Sizes 00 – 2 — Open and Enclosed<strong>NEMA</strong> SizePower Terminals — Line00012 Two compartment box lug. Minimum per NEC. Maximum wire size: Sizes 00 and 0 to 8 AWG and Sizes 1 – 2 to 2 AWG.Table <strong>33</strong>-97. Wire (75°C) Sizes — AWG or kcmil — <strong>NEMA</strong> Sizes 3 – 8 — Open and Enclosed Minimum per NEC. Maximum wire size: Sizes 00 and 0 to 8 AWG and Sizes 1 – 2 to 2 AWG.Wiring DiagramsWire Size Cu OnlyPower Terminals — Load — Cu Only (stranded or solid)00 – 01 – 2Control Terminals — Cu Only12 – 16 AWG stranded, 12 – 14 AWG solid<strong>NEMA</strong> SizePower Terminals — Line and Load12 – 16 AWG stranded, 12 – 14 AWG solid8 – 16 AWG stranded, 10 – 14 AWG solid8 – 14 AWG stranded or solid3 – 14 AWG (upper) and/or 6 – 14 AWG (lower) stranded or solid 14 – 6 AWG stranded or solid14 – 2 AWG stranded or solidWire Size 3 1/0 – 14 AWG Cu/Al4 Open — 3/0 – 8 AWG Cu; Enclosed — 250 kcmil — 6 AWG Cu/Al5678Control Terminals — Cu Only12 – 16 AWG stranded, 12 – 14 AWG solid750 kcmil — 2 AWG; or (2) 250 kcmil — 3/0 AWG Cu/Al(2) 750 kcmil — 3/0 AWG Cu/Al(3) 750 kcmil — 3/0 AWG Cu/Al(4) 750 kcmil — 1/0 AWG Cu/AlTable <strong>33</strong>-98. Plugging and Jogging ServiceHorsepower Ratings <strong>NEMA</strong>Size000123456200V 230V 460V 575V—1-1/237-1/2152560125 Maximum horsepower where operation isinterrupted more than 5 times per minute, ormore than 10 times in a 10 minute period.<strong>NEMA</strong> Standard ICS2-1993 table 2-4-3.Kits and Accessories■ Auxiliary Contacts, contactormounted — Pages <strong>33</strong>-86 – <strong>33</strong>-87.■ Transient Suppressor, for magnetcoil — Pages <strong>33</strong>-84.■ Timers — Solid-State andPneumatic, mount on contactor —Page <strong>33</strong>-83.Renewal Parts PublicationNumbers■ See Page <strong>33</strong>-91.1/21-1/23102030751501/2251530601503001/225153060150300L1 L2L3A2Separate ControlRemove Wire “c”when it is supplied. “c”Connect separatecontrol lines to theNo. 1 Terminal on T1 T2 T3the remote pilot T1 T2 T3device and Terminal96 on the overloadrelay.Motor1A1 A22398979695Remote Pilot Devices2 WireControl 1 3Not for Use withAuto Reset OL Relays3 WireControlWhen more thanone pushbuttonstation is used,omit Connector“A” and connectper sketch.<strong>NEMA</strong> Size 00Start32Stop1StartStop“A”StartStop321L1T1L2T2Field Conversionto 1-Phase, AddDotted ConnectionsT1T2MotorSeparate ControlL1 L2 L3Remove Wire “c”when it is supplied.Connect separatecontrol lines to theNo. 1 Terminal on T1 T2 T3the remote pilot T1 T2 T3device and Terminal96 on the overloadrelay.Motor1A1 A2“c”9897969523Remote Pilot Devices2 WireControl 1 3Not for Use withAuto Reset OL Relays3 WireControlWhen more thanone pushbuttonstation is used,omit Connector“A” and connectper sketch.<strong>NEMA</strong> Sizes 0, 1 and 2Start32Stop1StartStop“A”StartStop321L1T1T2Field Conversionto 1-Phase, AddDotted ConnectionsT1L2T2MotorFigure <strong>33</strong>-24. Typical Wiring Diagrams — Three-Phase and Single-Phase ApplicationsFor more information visit: www.eaton.comCA08102001E
March 2009<strong>NEMA</strong> <strong>Contactors</strong> & <strong>Starters</strong><strong>33</strong>-75<strong>Freedom</strong><strong>Starters</strong> — 3-Phase Non-reversing and Reversing, Full Voltage, Bi-Metallic OverloadProduct SelectionWhen Ordering Supply■ Catalog Number■ Heater pack number (see selectiontable, Pages <strong>33</strong>-107 – <strong>33</strong>-108) or full loadcurrent.Size 0Non-reversingStarterSize 1ReversingStarterSize 3VerticalReversingStarter<strong>33</strong>Table <strong>33</strong>-99. Type AN16/AN56 <strong>NEMA</strong> — Manual or Automatic Reset Overload Relay — Non-reversing and Reversing<strong>NEMA</strong>SizeContinuousAmpereRatingService-LimitCurrentRating (Amperes)Maximum UL Horsepower 1-Phase3-PhaseNote: Starter Catalog Numbers do not include heater packs. Select one carton <strong>of</strong> three heater packs. Heater pack selection, Pages <strong>33</strong>-107 – <strong>33</strong>-108. Underscore (_) indicates coil suffix required, see Table <strong>33</strong>-100. Maximum horsepower rating <strong>of</strong> starters for 380V 50 Hz applications: The service-limit current ratings represent the maximum rms current, in amperes, which the controller shall be permitted to carry for protracted periodsin normal service. At service-limit current ratings, temperature rises shall be permitted to exceed those obtained by testing the controller at itscontinuous current rating. The current rating <strong>of</strong> overload relays or trip current <strong>of</strong> other motor protective devices used shall not exceed the service-limitcurrent rating <strong>of</strong> the controller. Common control. For separate 120V control, insert letter D in 7th position <strong>of</strong> listed Catalog Number. EXAMPLE: AN56VND0CB.Magnet Coils — AC or DC3-PoleNon-reversing 115V 230V 208V 240V 480V 600V CatalogNumberStarter coils listed in this section alsohave a 50 Hz rating as shown in theadjacent table. Select required starterby Catalog Number and replace themagnet coil alpha designation in theCatalog Number (_) with the properCode Suffix from the adjacent table.For Sizes 00 – 2 and 5 – 8, the magnetcoil alpha designation will be the nextto last digit <strong>of</strong> the listed Catalog Number.EXAMPLE: For a 380V, 50 Hz coil,change AN16BN0_C to AN16BN0LC.For all other sizes, the magnet coilalpha designation will be the last digit<strong>of</strong> the listed Catalog Number.For DC Magnet Coils, see Accessories,Pages <strong>33</strong>-88 – <strong>33</strong>-89.PriceU.S. $3-PoleReversing CatalogNumberVerticalReversing CatalogNumber00 9 11 1/3 1 1-1/2 1-1/2 2 2 AN16AN0_C AN56AN0_C —0 18 21 1 2 3 3 5 5 AN16BN0_C AN56BN0_C AN56BNV0_1 27 32 2 3 7-1/2 7-1/2 10 10 AN16DN0_B AN56DN0_B AN56DNV0_2 45 52 3 7-1/2 10 15 25 25 AN16GN0_B AN56GN0_B AN56GNV0_3 90 104 — — 25 30 50 50 AN16KN0_ AN56KN0_ AN56KNV0_4 135 156 — — 40 50 100 100 AN16NN0_ AN56NN0_ AN56NNV0_5 270 311 — — 75 100 200 200 AN16SN0_B AN56SN0_B —6 540 621 — — 150 200 400 400 AN16TN0_C AN56TN0_C —7 810 932 — — 200 300 600 600 AN16UN0_B AN56UN0_B —8 1215 1400 — — 400 450 900 900 AN16VN0_B AN56VN0_B —<strong>NEMA</strong> Size 00 0 1 2 3 4 5 6 7 8Horsepower 1-1/2 5 10 25 50 75 150 300 600 900<strong>NEMA</strong> Size 0Cat. No. AN56BN0ACTable <strong>33</strong>-100. AC Suffix CodeCoil Volts and Hertz Code Suffix120/60 or 110/50240/60 or 220/50480/60 or 440/50600/60 or 550/50208/60277/60208 – 240/60 240/50380 – 415/50550/5024/60, 24/50 24/5032/5048/6048/50ABCDEHJKLNTUVWYPriceU.S. $ <strong>NEMA</strong> Sizes 00 and 0 only. <strong>NEMA</strong> Sizes 00 and 0 only. Sizes 1 – 8 are24/60 only.Technical Data. . . . . . . . . . Pages <strong>33</strong>-79 – <strong>33</strong>-81Overload Relay . . . . . . . . . Page <strong>33</strong>-103Dimensions . . . . . . . . . . . . Pages <strong>33</strong>-96 – <strong>33</strong>-98Special Modifications . . . Page <strong>33</strong>-90Accessories . . . . . . . . . . . . Pages <strong>33</strong>-82 – <strong>33</strong>-90Heater Packs . . . . . . . . . . . Pages <strong>33</strong>-107 – <strong>33</strong>-108Discount Symbol . . . . . . . . 1CD1CA08102001EFor more information visit: www.eaton.com
March 2009<strong>NEMA</strong> <strong>Contactors</strong> & <strong>Starters</strong><strong>Freedom</strong><strong>Starters</strong> — Single-Phase Non-reversing, Full Voltage, Bi-Metallic Overload<strong>33</strong>-77Wiring Diagrams1M1L1AC LinesA13L2A2“C”2/1<strong>33</strong>/14<strong>33</strong>Product Description<strong>NEMA</strong> Size 1 — Cat. No. BN16DN0ABSingle-phase, full voltage magnetic starters connect themotor directly across the line, allowing it to draw full inrushcurrent during start-up. These starters are most commonlyused for control <strong>of</strong> self-starting single-phase motors up to15 horsepower at 230V. They consist <strong>of</strong> a 2-pole electromagneticcontactor to make and break the motor power circuitand an overload relay to provide running overload protection.<strong>Starters</strong> listed in the table include:■ Two-pole <strong>Freedom</strong> Series contactor with long life twinbreak, silver cadmium oxide contacts. Generously sizedfor low resistance and cool operation. Designed to 3 millionelectrical operations at maximum hp and 30 millionmechanical operations to Size 0, 10 million operations toSize 2 and 6 million operations to Size 3.■ Three-pole <strong>Freedom</strong> Series overload with poles 2 and 3wired in series for motor overload protection. This overloadis ambient compensated, selectable Manual or Automaticreset, interchangeable Class 10 or 20 heater packs,1.0 or 1.15 service factor selectability, overload trip indicationand electrically isolated NO-NC contacts (pull RESETbutton to test).■ Holding circuit NO auxiliary contact supplied as standard.On Size 00, the contact occupies the 4th power pole position.Sizes 0 – 3 have the NO auxiliary mounted on the rightside <strong>of</strong> the contactor.■ Steel mounting plate as standard on all open type starters.Wired for separate or common control.Figure <strong>33</strong>-25. Typical Wiring Diagrams — Single-Phase Applications(Factory Wired)Product SelectionWhen Ordering Specify■ Catalog Number■ Heater Pack Number (see selection table, Pages <strong>33</strong>-107 –<strong>33</strong>-108) or full load current.Table <strong>33</strong>-104. Type BN16 <strong>NEMA</strong> — Manual or Automatic ResetOverload Relay<strong>NEMA</strong>Size00 1152300 1152301 1152301P 1152302 1152303 115230OL2/T1 4/T2 6/T3T1 T22 4Separate ControlRemove Wire “C” if supplied and connect separate controllines to the Number 1 Terminal on the remote pilot deviceand to the Number 96 Terminal on the overload relay.Front View <strong>of</strong> PanelT1 T2When more thanone pushbuttonstation is used,omit Connector “A”and connect persketch at right.Maximum HorsepowerMotor 1-PhaseVoltage1/31122<strong>33</strong>537-1/27-1/2151 Phase Motor3/14START1 3/142/13Not for Use withSTOPAuto Reset OL Relays12 Wire Control3 Wire ControlSTARTSTOPMagnetCoil Voltage(60 Hz)120 240120 240120 240120 240120 240120 240989796Reset95Open Type 2-PoleCatalogNumberBN16AN0ACBN16AN0BCBN16BN0ACBN16BN0BCBN16DN0ABBN16DN0BBBN16PN0ABBN16PN0BBBN16GN0ABBN16GN0BBBN16KN0ABN16KN0BPriceU.S. $Note: Starter Catalog Numbers do not include heater packs. Select 1carton <strong>of</strong> 3 heater packs. Heater pack selection, Pages <strong>33</strong>-107 –<strong>33</strong>-108. For separate 120V control circuit. For maximum hp at listed motorvoltages, use the rating <strong>of</strong> other starters <strong>of</strong> same size.“A”STARTSTOP3/142/131Accessories . . . . . . . . . . . . . Pages <strong>33</strong>-82 – <strong>33</strong>-90Discount Symbol . . . . . . . . . 1CD1CA08102001EFor more information visit: www.eaton.com
March 2009<strong>NEMA</strong> <strong>Contactors</strong> & <strong>Starters</strong><strong>Freedom</strong>Relays — Thermal Overload<strong>33</strong>-103ContentsDescriptionPageThermal Overload RelaysProduct Description . . . . . . <strong>33</strong>-103Features . . . . . . . . . . . . . . . <strong>33</strong>-103Operation . . . . . . . . . . . . . . <strong>33</strong>-103Technical Information . . . . <strong>33</strong>-103Technical Data . . . . . . . . . . <strong>33</strong>-104Factory Modifications . . . . <strong>33</strong>-105Accessories. . . . . . . . . . . . . <strong>33</strong>-105Replacement Parts . . . . . . . <strong>33</strong>-105Dimensions. . . . . . . . . . . . . <strong>33</strong>-106Product Selection. . . . . . . . <strong>33</strong>-107Heater Pack Selection . . . . <strong>33</strong>-107■ Shrouded or fingerpro<strong>of</strong> terminalsto reduce possibility <strong>of</strong> electricalshock.■ Meets UL 508 single-phasingrequirements.■ UL listed, CSA certified, <strong>NEMA</strong>compliance and CE mark.OperationC306 Overload Relay Setting1.0ServiceFactorAB1.15ServiceFactorExample <strong>of</strong> 12.0 FLA setting forheater pack number H2011B showingposition for 1.0 or 1.15service factor motors.CDTest for Trip IndicationTo test overload relay for trip indicationwhen in manual reset, pull out theblue reset button. An orange flag willappear indicating that the device hastripped. Push reset button in to reset.Warning — To provide continued protectionagainst fire or shock hazard,the complete overload relay must bereplaced if burnout <strong>of</strong> the heaterelement occurs.Technical InformationGeneral“Overload relays are provided to protectmotors, motor control apparatusand motor-branch circuit conductorsagainst excessive heating due tomotor overloads and failure to start.This definition does not include:1) motor circuits over 600V, 2) shortcircuits, 3) ground faults and 4) firepump control.” (NEC Art. 430-31)<strong>33</strong>Product DescriptionC306 Overload Relays are designed foruse with CE or CN non-reversing andreversing contactors. Four sizes areavailable for overload protection upto 144A.Features32A OverloadCat. No. C306DN3B■ Selectable Manual or AutomaticReset operation.■ Interchangeable Heater Packsadjustable ±24% to match motorFLA and calibrated for use with 1.0and 1.15 service factor motors.Heater packs for 32A overload relaywill mount in 75A overload relay —useful in derating applications suchas jogging.■ Class 10 or 20 heater packs.■ Load lugs built into relay base.■ Bimetallic, ambient compensatedoperated. Trip free mechanism.■ Electrically isolated NO-NC contacts(pull RESET button to test).(Electrical Ratings see Table <strong>33</strong>-158on Page <strong>33</strong>-104).■ Overload trip indication.Figure <strong>33</strong>-43. FLA Dial AdjustmentFor motors having a 1.15 service factor,rotate the FLA adjustment dial tocorrespond to the motor’s FLA rating.Estimate the dial position when themotor FLA falls between two lettervalues as shown in the example.For motors having a 1.0 service factor,rotate the FLA dial one-half positioncounterclockwise (CCW).MFigure <strong>33</strong>-44. Manual/Automatic ResetThe overload relay is factory set at Mfor manual reset operation. For automaticreset operation, turn the resetadjustment dial to the A position asshown in the illustration.Automatic reset is not intended fortwo-wire control devices.AExample <strong>of</strong> setting formanual reset.Time Current CharacteristicsThe time-current characteristics <strong>of</strong> anoverload relay is an expression <strong>of</strong> performancewhich defines its operatingtime at various multiples <strong>of</strong> its currentsetting. Tests are run at UnderwritersLaboratories (UL) in accordance with<strong>NEMA</strong> Standards and the NEC. ULrequires:■ When tested at 100 percent <strong>of</strong> itscurrent rating, the overload relayshall trip ultimately.■ When tested at 200 percent <strong>of</strong> itscurrent rating, the overload relayshall trip in not more than 8minutes.■ When tested at 600 percent <strong>of</strong> thecurrent rating, the overload relayshall trip in not more than 10 or 20seconds, depending on the Class<strong>of</strong> the relay.“Current Rating” is defined as theminimum current at which the relaywill trip. Per NEC, an overload mustultimately trip at 125% <strong>of</strong> FLA current(heater) setting for a 1.15 service factormotor and 115% FLA for a 1.0 servicefactor motor.“Current Setting” is defined as the FLA(Full Load Amperes) <strong>of</strong> the motor andthus the overload heater pack setting.Example: 600% <strong>of</strong> current rating isdefined as 750% (600 x 1.25) <strong>of</strong> FLAcurrent (heater) setting for a 1.15 servicefactor motor. A 10A heater settingmust trip in 20 seconds or less at 75Amotor current for a Class 20 relay.CA08102001EFor more information visit: www.eaton.com
March 2009<strong>NEMA</strong> <strong>Contactors</strong> & <strong>Starters</strong><strong>Freedom</strong>Relays — Thermal Overload<strong>33</strong>-107Product Selection<strong>33</strong>75A OverloadCat. No. C306GN3B75A OverloadCat. No. C306GT3B32A OverloadCat. No. C306DT3B32A OverloadCat. No. C306DN3BTable <strong>33</strong>-166. C306 Thermal Overload RelaysFor Use with <strong>Freedom</strong>Series <strong>Contactors</strong><strong>NEMA</strong>SizeMaximumAmpereRatingNumber<strong>of</strong> PolesOpen TypeCatalogNumberPriceU.S. $<strong>NEMA</strong> 1 EnclosedCatalogNumberPriceU.S. $00, 032 1, 275 3105 4144 5 – 8 —<strong>33</strong><strong>33</strong>—C306DN3BC306GN3BC306KN3C306NN3—C306DG3BC306GG3B— <strong>NEMA</strong> Sizes 5 – 8 use the 32A overload in conjunction with CTs. Series B overload relays have load lugs built into relay base and will only accept Series B heater packs. These relays can be directly attached tocontactor or they can be DIN rail or panel mounted using adapter on Page <strong>33</strong>-105. These relays can be panel mounted only.Table <strong>33</strong>-167. C306 Thermal Overload RelaysFor Stand-AloneApplications<strong>NEMA</strong> Size00, 0, 1 321 753 1054 1445 – 8 —MaximumAmpereRatingNumber<strong>of</strong> PolesOpen TypeCatalogNumberPriceU.S. $ Overload relay assembled with mounting adapter for DIN rail orpanel mount. Panel mount only. <strong>NEMA</strong> Sizes 5 – 8 use the 32A overload in conjunction with CTs.<strong>33</strong><strong>33</strong>—C306DT3BC306GT3BC306KN3C306NN3—Heater Pack SelectionHeater packs H2001B to H2017B and H2101B to H2117B areto be used only with Series B overload relays CatalogNumbers C306DN3B (Part No. 10-7016) and C306GN3B(Part No. 10-7020). The load lugs are built into the overloadrelay base to allow load wiring prior to heater pack installation.The previous heater design had integral load lugs.The Series B heater packs are electrically equivalent to theprevious heater design. Heaters H2018-3 to H2024-3 havenot changed.Table <strong>33</strong>-1<strong>68</strong>. <strong>Starters</strong> with Series B Overload Relays<strong>NEMA</strong> — AN TypeIEC — AE TypeSize Series Size Series00 – 01 – 2567 – 8CBBCBA – FG – KNote: The series <strong>of</strong> a starter is the last digit <strong>of</strong> the listed CatalogNumber. EXAMPLE: AN16DN0AB.CBHeater PackH2001B – H2017BHeater PackH2101B – H2117BHeater PackH2018 – H2024Technical Data . . . . . . . . Page <strong>33</strong>-104Dimensions . . . . . . . . . . . . Page <strong>33</strong>-106Replacement Parts . . . . . Pages <strong>33</strong>-105 – <strong>33</strong>-106Discount Symbol . . . . . . . 1CD1CCA08102001EFor more information visit: www.eaton.com