Disconnect Switch and Circuit Breaker Mechanism ...

1 Technical DataDisconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin Number 1494To picPageSummary of Changes2 Additional Resources2 Specifications Bulletin 1494U Disconnect Switches3 Bulletin 1494C, 1494F, 1494G, 1494R, 1494V Disconnect Switches4 Bulletin 1494H, 1494HL Disconnect Switches5 Bulletin 1494D, 1494V Circuit Breakers6 Approximate Dimensions Bulletin 1494U Disconnect Switch and Fuse Block, A7 Bulletin 1494U Disconnect Switch and Fuse Block, 100 A8 Bulletin 1494U Handle with Support Bracket9 Bulletin 1494V10 Bulletin 1494C11 Bulletin 1494F Disconnect Switches12 Bulletin 1494F Disconnect Switches Vault Hardware Latching (Enclosures that are not pre-drilled)13 Bulletin 1494R Disconnect Switches14 Bulletin 1494V15 Bulletin 1494D Circuit Breakers16 Bulletin 1494G, 1494GX, 1494GY Enclosed Disconnect Safety Switches Type 3R/4/12 (Enclosure Code F ) Painted Metal Enclosures17 Bulletin 1494G, 1494GX, 1494GY Enclosed Disconnect Safety Switches Type 4/4X (Enclosure Code C ) Stainless Steel Enclosures18 Bulletin 1494G Safety Switch Hazardous Locations19 Bulletin 1494H Heavy-Duty Safety Switches Type 1 (Enclosure Code A ) General-Purpose Painted Metal Enclosures20 Bulletin 1494H Heavy-Duty Safety Switches Type 3R (Enclosure Code N ) Rain-Proof Painted Metal Enclosures21 Bulletin 1494H Heavy-Duty Safety Switches Type 12 (Enclosure Code "F") Dust-Tight Painted Metal Enclosures22 Bulletin 1494HL General Duty Safety Switches Type 1 (Enclosure Code A )

2 General-Purpose Painted Metal Enclosures232 Rockwell Automation Publication 1494-TD001E-EN-P - February 2016 Disconnect Switch and Circuit Breaker Mechanism SpecificationsSummary of ChangesThis publication contains new and updated information as indicated in the following ResourcesThese documents contain additional information concerning related products from Rockwell Automation .You can view or download publications at To order paper copies of technical documentation, contact your local Allen-Bradley distributor or Rockwell Automation sales picPageUpdated 1494U specifications3 ResourceDescriptionIndustrial Automation Wiring and Grounding Guidelines, publication general guidelines for installing a Rockwell Automation industrial Certifications website, declarations of conformity, certificates, and other certification Automation Publication 1494-TD001E-EN-P - February 20163 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494U Disconnect Switches Disconnect Switch Electrical RatingsSwitch Size30 A60 A100 ARated Insulation Voltage (UL) IEC - Ui(600) 1000 VRatingsUL/CSA/NEMAHp230V/60 Hz460V/60 Hz575V/60 DC153050 ContinuousCurrent, Ithe600V AC600V DC3060100 RatingsIEC ApplicationsMaximum kW(AC23)

3 220V/50 Hz440V/50 Hz550V/50 Contact Electrical RatingsStandard Contact 1 or 1 , Q600 IECAC 15, DC 13 to IEC/EN60947-5-1 and UL 508, 17V, 5 mA minimumLow Level Contact 1 or 1 , R150 IECAC 15, DC 13 to IEC/EN60947-5-1 and UL 508, 5V, 1 mA minimumElectrical Interlock RatingsStandard Contact 2 A: 250V AC, A: 250V DCMechanicalDegree of ProtectionOperating handlesNon-metallic Type 1, 3R, 4, 4X, 12 Painted Type 1, 3R, 4, 12 Stainless steel Type 4, 4 XMechanical Life (Typical)10 000 operations ( A)Switching Frequency (operations/hr)30, 60, and 100 A sizes 300 maximumEnvironmentalAmbient +60 C ( +140 F) +40 C ( +104 F) +65 C ( +149 F)Altitude (per IEC 947-1)2000 mRelative Humidity (per IEC 947-1)90% at 20 C (68 F) and 50% at 40 C (104 F)Design Specification/Test RequirementsDielectric Strength2200V for 1 minuteElectrical Life6000 operations at rated currentShort Circuit Withstand Capability10 000 A, 600V AC/DC: unfused or with class H fuses10 000 A, 600V DC: with class J or class R fuses200 000 A, 600V AC.

4 With class J or class R fusesConstructionSwitch Body MaterialGlass-filled thermoplasticAll wire rated 75 C (167 F) or higher must be sized per the local Electric Code for 75 C (167 F) Size and Lug ConnectorsSingle port, aluminum A(1) # AWG, copper - aluminum(2) # AWG, copper(2) # AWG, aluminumSingle port, aluminum lug100 A(2) # AWG, copper-aluminum(1) # AWG, copper(1) # AWG, aluminumMulti-port, aluminum A(1) # AWG, copper(1) # AWG, aluminum(2) #10 AWG, copper-aluminumSingle port, copper A(1) # AWG, copper(2) # AWG, copper(4) #16 AWG, copperLine Terminal AdapterSingle port, copper A(1) # AWG, copperLine Terminal AdapterSingle port, copper lug100 A(1) # AWG, copperRecommended Torque30 A60 A100 AConductor into Lug45 lb in45 lb in50 lb inLug to lb lb lb inSwitches, Mechanisms, and Accessory KitsZinc-plated steel, RoHS Compliant finish4 Rockwell Automation Publication 1494-TD001E-EN-P - February 2016 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494C, 1494F, 1494G, 1494R, 1494V Disconnect Switches Disconnect Switch Electrical RatingsSwitch Size30 A60 A100 A200 A400 A600 ARated Insulation Voltage (UL) IEC - Ui(600) 660 VRatingsUL/CSA/NEMAHp230V/60 Hz460V/60 Hz575V/60 DC51020405050 ContinuousCurrent, Ithe600V AC250V DC3060100200400600 RatingsIEC ApplicationsMaximum kW(AC23)220V/50 Hz440V/50 Hz550V/50 Contact Electrical RatingsStandard Contact 1 or 1 (1)(1)When using a contact with a 400 A Switch in a PLC sensing Circuit , a false indicator may occur.

5 To avoid the false indicator, add a 30 ms time delay into the Circuit or add a contact next to the , Q600 IECAC 15, DC 13 to IEC/EN60947-5-1 and UL 508, 17V, 5 mA minimumLow Level Contact 1 or 1 (1)NEMA/EEMACC300, R150 IECAC 15, DC 13 to IEC/EN60947-5-1 and UL 508, 5V, 1 mA minimumElectrical Interlock RatingsStandard Contact 1 and 1 and 2 A: 480V AC, A: 250V DCMechanicalDegree of ProtectionOperating handlesNon-metallic Type 1, 3R, 4, 4X, 12 Painted Type 1, 3R, 4, 12 Stainless steel Type 4, 4 XMechanical Life (Typical)10 000 operations ( A)8000 operations (200 A)6000 operations (400 A)5000 operations (600 A)Switching Frequency (operations/hr)30, 60, 100, and 200 A sizes 300 maximum400 and 600 A sizes 240 maximumEnvironmentalAmbient +60 C ( +140 F) +40 C ( +104 F) +65 C ( +149 F)Altitude (per IEC 947-1)2000 mRelative Humidity (per IEC 947-1)90% at 20 C (68 F) and 50% at 40 C (104 F)Design Specification/Test RequirementsDielectric Strength2200V for 1 minuteElectrical Life6000 operations at rated currentShort Circuit Withstand Capability10 000 A, 600V AC/250V DC: unfused10 000 A, 600V AC: with class H fuses200 000 A, 600V AC.

6 With class J or class R fusesConstructionSwitch Body MaterialGlass-filled thermoset plasticTe r m i n a l s30 A60 A100 A200 A400 A600 A#10 - 32 screw and self-lifting pressure plate1/4 in. - 28 screw-lug, copper5/16 in. - 24 screw-lug, copper3/8 in. - 24 screw-lug, copper3/8 in. - 24 screw-lug, copper1/2 in. - 13 screw-lug, copperAll wire rated 75 C (167 F) or higher must be sized per the local Electric Code for 75 C (167 F) Size (mm2)30 A60 A100 A200 A400 A600 A# AWG ( mm2)# AWG ( mm2)# AWG ( mm2)# AWG ( mm2)2 of #1/0 MCM (2 per lug) 2 of 185 MCM or (1) #4 MCM2 of #1/0 MCM (2 per lug) 2 of 185 MCM or (1) #4 MCMR ecommended Torque30 A60 A100 A200 A400 A600 AConductor into Lug20 lb in45 lb in150 lb in275 lb in275 lb in275 lb inLug to Terminal20 lb in50 lb in90 lb in175 lb in175 lb in275 lb inSwitches, Mechanisms, and Accessory KitsZinc-plated steel, RoHS Compliant finishRockwell Automation Publication 1494-TD001E-EN-P - February 20165 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494H, 1494HL Disconnect Switches Disconnect Switch Electrical RatingsSwitch Size30 A60 A100 A200 ARated Insulation Voltage (UL) IEC - Ui(600)

7 660 VRatingsUL/CSA/NEMAHp230V/60 Hz460V/60 Hz575V/60 Hz102030205060407510060125150250V DC5102040 ContinuousCurrent, Ithe600V AC250V DC3060100200 Auxiliary Contact Electrical RatingsContinuous Current10 A15 APole ConfigurationDPDTDPDTM echanicalDegree of ProtectionOperating handlesPainted Type 1, 3R, 12 Mechanical Life (Typical)10 000 operations Switching Frequency (operations/hr)300 maximumEnvironmentalAmbient +40 C ( +104 F) +65 C ( +149 F)Altitude (per IEC 947-5)2000 mRelative Humidity (per IEC 947-3)90% at 20 C (68 F) and 50% at 40 C (104 F)Design Specification/Test RequirementsDielectric Strength2200V for 1 minuteElectrical Life6000 operations at rated currentShort Circuit Withstand Capability10 000 A: unfused10 000 A: with class H fuses200 000 A: with class J or class R fuses ( A)100 000 A: with class J or class R fuses (200 A)ConstructionSwitch Body MaterialPhenolicContact MaterialCopper, tin-platedTe r m i n a l s30 A60 A100 A200 A#10 - 32 screw and self-lifting pressure plate1/4 in.

8 - 28 screw-lug, copper5/16 in. - 24 screw-lug, copper3/8 in. - 24 screw-lug, copperAll wire rated 75 C (167 F) or higher must be sized per the local Electric Code for 75 C (167 F) Size (mm2)30 A60 A100 A200 A# AWG # AWG# AWG# MCM AWGR ecommended Torque30 A60 A100 A200 AConductor into lb lb lb in275 lb inMechanismsZinc-plated steel, bronze chromate finish6 Rockwell Automation Publication 1494-TD001E-EN-P - February 2016 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494D, 1494V Circuit Breakers Electrical RatingsFrame Size125 A150 A250 A400 A600 A800 A1200 AAuxiliary ContactsRatingsNEMA/EEMACB600, P300 RatingsIEC ApplicationsACII A3 AMaximum Number of Auxiliary Contacts2 MechanicalMechanical Life (Typical)10 000 operations EnvironmentalAmbient Temperature (1)(1)See Circuit Breaker specifications for other +40 C ( +104 F) +65 C ( +149 F)Altitude (per IEC 947-5)2000 m per IEC 337-1 Relative Humidity (per IEC 947-3)90% at 20 C (68 F) and 50% at 40 C (104 F)

9 ConstructionMechanismsZinc-plated steelRockwell Automation Publication 1494-TD001E-EN-P - February 20167 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494U Disconnect Switch and Fuse Block, AApproximate dimensions are shown in inches. Dimensions are not intended to be used for manufacturing MTG. HOLES(FOR 10-32 SCREWS) DURINGHANDLE AND LOADTERM. THREAD#12-24 MTG. HOLES(FOR 10-32 SCREWS)FIELD INSTALLED PHASE BARRIERS(CAN BE ORDERED SEPERATELY) 8 Rockwell Automation Publication 1494-TD001E-EN-P - February 2016 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494U Disconnect Switch and Fuse Block, 100 AApproximate dimensions are shown in inches. Dimensions are not intended to be used for manufacturing purposes. DURINGHANDLE HOLESn .2032 MTG HOLES(FOR 10-32 SCREWS)LINE AND LOADTERM. THREAD#12-24 UNC INSTALLED PHASE BARRIERS(CAN BE ORDERED SEPERATELY).2032 MTG HOLES(FOR 10-32 SCREWS) Rockwell Automation Publication 1494-TD001E-EN-P - February 20169 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494U Handle with Support BracketApproximate dimensions are shown in inches.

10 Dimensions are not intended for to be used manufacturing purposes. Automation Publication 1494-TD001E-EN-P - February 2016 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494 VApproximate dimensions are shown in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes. Disconnect Switches (Approximate dimensions are for reference only.)NEMA Size [A]AB (1)(1)This approximate dimension varies by fuse class and Mounting Hole DiameterMaximumMinimumMaximum306-19/64(1 60)7-31/32(202)6-3/4(171)21-5/8(549)2-3/ 4( )7-9/16(192)3-7/8( )7/32 (160)8-15/32(215)6-3/4(171)21-5/8(549)2- 9/16( )7-9/16(192)3-7/8( )7/32 (160)9-1/8( )6-3/4(171)21-5/8(549)3-37/64( )7-9/16(192)3-7/8( )7/32 ( )15-9/64( )9-1/2( )21-5/8(549)6-35/64( )8-25/32(223)4-21/32(118)19/64 ( )18-7/32( )10-1/2( )21-5/8(549)8( )10(254)5-1/2( )11/32 ( )17-19/32( ) (2)(2)Approximate dimension with class J ( )21-5/8(549)12( )11-27/32( )8-51/64( )11/32 in. Vertical Center Line of Operation Handle DrillingDoorProvides forWire BendingSpaceDisconnectingMeansOperatingH andleMountingSurfaceDisconnect MeansMounting SurfaceEnclosureFlangeTrailer Fuse BlockCommon IndustrialFlange Cut-OutVertical CenterLine of OperatingHandleCenter LineOperatingMechanismSquare Cornersor 1/4 ( ) ( ) Dia2 HolesFlange Cut-OutBulletin 1494V ABulletin 1494V ARockwell Automation Publication 1494-TD001E-EN-P - February 201611 Disconnect Switch and Circuit Breaker Mechanism SpecificationsBulletin 1494 CApproximate dimensions are shown in inches.