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Bulletin25-kV Wall-Mount Fuse-Gear200 Amp S&C SMU-20 and SM-4 Fuses550-216Page 6Three Phase – Indoor/Outdoor2015Three-Phase – Two Ways Per Phase600 Amp Elliott Air-Insulated Bushings15.2/26.3 kV Grounded Wye Max Design125 kV BIL44"34""Fuses" Label is VisibleWith Door ClosedA12"10"21"RemovableLift erGroundStud12"CL0.25" x 2"Copper BusClearPolycarbonateDoor SafetyBarrierProvision forKey ingProvisions,0.6875" Dia.for 0.625"Bolts, TypicalØ0.625" CopperGround StudProvision for Padlock andSecurity Bolt, Top and t View3"34"Ground Provisionwith Two #6-2/0Eyebolt-Type GroundCL Connectors InstalledTop and Bottom28"12"12"20"20"Four 0.5"-13Hex NutsTop and BottomSection AADoor & Door Safety Barrier Removed48"Ø0.625"CopperGroundBar11-Gauge Steel EnclosureStainless Steel HingesProvisions for Padlock and recessed Stainless Steel Penta-Head(or Hex-Head) Security BoltsClear Polycarbonate Door Safety Barrier Standard8" Min. Strike Distance to Ground10" Min. Strike Distance Phase-to-PhaseStandard Paint: "Pad-Mount Green" (Munsell #7GY 3.29/1.5)Optional Paint: "Light Grey" (Munsell #5BG 7.0/0.4)Option G1: Ground studs at main contact of fuse mountingOption G2: Ground studs at hinge end of fuse mountingOption K: Key interlockTop ViewFuseMountingFuse EndFittings/HolderFuseUnit/RefillSM-20 withoutUni-Rupter SM-20 / SML-20Cat. #3097SMU-20200K or 200E MaxSML-20 withUni-Rupter SM-20 / SML-20Cat. #3097SMU-20200K or 200E MaxEWMR-25-311S-E6TB-SMX4SMX-4 withoutUni-Rupter SML-4ZCat. #92353SM-4200E MaxEWMR-25-311S-E6TB-SML4SML-4Z withUni-Rupter SML-4ZCat. #92353SM-4200E MaxCatalog 0Uni-Rupter is a registered trademark of S&C Electric Company.NX and X-Limiter are either registered trademarks or trademarks of Eaton in the U.S. and other countries.Elliott Industries, Inc. Copyright 20151509 Hamilton RoadPhone 318-746-3296Elastimold is a registered trademark of ABB Asea Brown Boveri Ltd.Bossier City, LoUiSiAna 71111Fax t-industries.com

Bulletin25-kV Wall-Mount Fuse-Gear200 Amp S&C SMU-20 and SM-4 Fuses550-216Page 7Three Phase – Indoor/Outdoor2015Three-Phase – Two Ways Per Phase600 Amp Elliott Air-Insulated Bushings15.2/26.3 kV Grounded Wye Max Design125 kV BIL44"34""Fuses" Label is VisibleWith Door Closed10"ARemovableLift ProvisionsCLKeyed retainersto prevent slippingor accidentalremoval ofportable devices12"12"ElliottAir-InsulatedBushings8"0.25" x 2"Copper BusClearPolycarbonateDoor SafetyBarrierProvision forKey ingProvisions,0.6875" Dia.for 0.625"Bolts, TypicalØ0.625" CopperGround StudProvision for Padlock andSecurity Bolt, Top and t View3"20"20"CL34"28"Ground Provisionwith Two #6-2/0Eyebolt-TypeGround ConnectorsInstalled Topand BottomFour 0.5"-13Hex NutsTop and BottomSection AADoor & Door Safety Barrier Removed48"Ø0.625"CopperGroundBar11-Gauge Steel EnclosureStainless Steel HingesProvisions for Padlock and recessed Stainless Steel Penta-Head(or Hex-Head) Security BoltsClear Polycarbonate Door Safety Barrier Standard8" Min. Strike Distance to Ground10" Min. Strike Distance Phase-to-PhaseStandard Paint: "Pad-Mount Green" (Munsell #7GY 3.29/1.5)Optional Paint: " Light Grey" (Munsell #5BG 7.0/0.4)Option G2: Ground studs at hinge end of fuse mountingOption K: Key interlockTop ViewFuseMountingFuse EndFittings/HolderFuseUnit/RefillSM-20 withoutUni-Rupter SM-20 / SML-20Cat. #3097SMU-20200K or 200E MaxSML-20 withUni-Rupter SM-20 / SML-20Cat. #3097SMU-20200K or 200E MaxEWMR-25-311S-E6FB-SMX4SMX-4 withoutUni-Rupter SML-4ZCat. #92353SM-4200E MaxEWMR-25-311S-E6FB-SML4SML-4Z withUni-Rupter SML-4ZCat. #92353SM-4200E MaxCatalog 0Uni-Rupter is a registered trademark of S&C Electric Company.NX and X-Limiter are either registered trademarks or trademarks of Eaton in the U.S. and other countries.Elliott Industries, Inc. Copyright 20151509 Hamilton RoadPhone 318-746-3296Elastimold is a registered trademark of ABB Asea Brown Boveri Ltd.Bossier City, LoUiSiAna 71111Fax t-industries.com

25-kV Wall-Mount Fuse-Gear200 Amp S&C SMU-20 and SM-4 FusesThree Phase – Indoor/OutdoorBulletin550-216Page 82015Elliott Floor Support Frame For Wall-Mount EnclosureProvides additional support when wall structureis inadequate or questionable43.5"A33.5"A0.50"-13 S.S.Hex Nut TypicalProvision forGround Connector"A"Front View1.75"Side View40"2.75"28"6"Mounting Provisionsfor Mounting Frameto Bottom of Enclosurewith Four 0.50"-13 x 1.75"Hex Head Bolts with0.50" Flat and SplitLockwashersProvisions for#6 - #2/0 Eyebolt TypeGround Connector21.5"0.625" x 1"Obround TypicalTop ViewSection AA11-Gauge Steel FrameStandard Paint: "Pad-Mount Green" (Munsell #7GY 3.29/1.5)Optional Paint: "Light Grey" (Munsell #5BG 7.0/0.4)Catalog NumberDimension 42"Uni-Rupter is a registered trademark of S&C Electric Company.NX and X-Limiter are either registered trademarks or trademarks of Eaton in the U.S. and other countries.Elliott Industries, Inc. Copyright 20151509 Hamilton RoadPhone 318-746-3296Elastimold is a registered trademark of ABB Asea Brown Boveri Ltd.Bossier City, LoUiSiAna 71111Fax t-industries.com

25-kV Wall-Mount Fuse-Gear200 Amp S&C SMU-20 and SM-4 FusesThree Phase – Indoor/OutdoorBulletin550-216Page 92015Bushing Wells and BushingsThe wall-mount fuse gear shown in this bulletin isprovided with Elliott 200 Amp Air-Insulated Bushing Wellsand/or 600 Amp Air-Insulated Bushings which utilize thesame mounting holes and mounting hardware. If circuitrequirements change, 200 Amp Bushing Wells may bereplaced with 600 Amp Bushings (600 Amp Bushings maybe replaced with 200 Amp Bushing Wells).NOTE: The shipping cap on the Bushing Well or Bushingshould be left in place to prevent contamination of theinterface.NOTE: The fuse gear must be de-energized and groundedin accordance with your company’s normal safety procedurebefore any modifications are made.IMPORTANT:Do not energize this bushing well orbushing with only the shipping cap in place. To do sowould lead to failure of this bushing and create a hazard tooperating personnel. This product is designed to be usedonly when it is mated with an appropriate 15 kV or 25 kV classbushing insert (or elbow) conforming to the latest revision ofIEEE Standard 386. The bushing insert (or elbow) should beinstalled in accordance with the instructions supplied by theconnector manufacturer.200 Amp Bushing Well #1101-225BVoltage Class. 25 kVPhase-to-Ground Voltage. 15.2 kVBIL. 125 kVAC Withstand—1 Min. Dry. 40 kV10 Sec. Dew. 40 kVDC Withstand—15 Min. Dry. 78 kVCorona Extinction Level—Minimum. 19 kVContinuous Current. 200 AmpsMomentary—RMS, Sym., 0.17 sec. 10,000 AmpsRMS, Sym., 3 sec. 3,500 Amps600 Amp Bushing #1201-625B2Voltage Class. 25 kVPhase-to-Ground Voltage. 15.2 kVBIL. 125 kVAC Withstand—1 Min. Dry. 40 kV10 Sec. Dew. 40 kVDC Withstand—15 Min. Dry. 78 kVCorona Extinction Level—Minimum. 19 kVContinuous Current. 600 AmpsMomentary—RMS, Sym., 0.17 sec. 25,000AmpsRMS, Sym., 3 sec. 10,000 AmpsUni-Rupter is a registered trademark of S&C Electric Company.NX and X-Limiter are either registered trademarks or trademarks of Eaton in the U.S. and other countries.Elliott Industries, Inc. Copyright 20151509 Hamilton RoadPhone 318-746-3296Elastimold is a registered trademark of ABB Asea Brown Boveri Ltd.Bossier City, LoUiSiAna 71111Fax t-industries.com

25-kV Wall-Mount Fuse-Gear200 Amp S&C SMU-20 and SM-4 FusesThree Phase – Indoor/OutdoorBulletin550-216Page 102015Typical Specification - Page 1 of 3GeneralThe fuse-gear shall be 25 kV class, 125 kV BIL,600 ampere continuous current, suitable for use on15.2/26.3 kV grounded wye max design systems. Theenclosure shall be designed for wall mounting and shallinclude provisions to accept a floor support frame thatmay be specified when a wall structure is questionableor inadequate to support the fuse-gear. The fuse-gearshall be constructed for connection to the utility systemwith separable insulated connectors as described inIEEE Standard 386—latest revision (separable insulatedconnectors [and loadbreak inserts when required] shall besupplied by the user). The fuse-gear shall be designedfor and contain three fuse mountings as describedbelow. A door safety barrier shall be provided insidethe door on the fuse compartment as recommendedin IEEE Standard C2 (National Electrical Safety Code)Rule 381G. Tamper resistance shall meet the EnclosureSecurity requirements of IEEE Standard C57.12.28 (PadMounted Equipment—Enclosure Integrity). Together, thetamper resistance and the door safety barrier shall resistunauthorized entry, protect authorized and unauthorizedpersons, and provide positive safety features when installedin areas accessible to the general public. The fuse-gearshall be constructed for indoor/outdoor installation inareas subject to precipitation and in areas with windblowncontamination. The equipment shall be “air-insulated” andcompletely assembled prior to shipment.Enclosure ConstructionThe enclosure shall be tamper-resistant, all-weldedconstruction utilizing 11-gauge minimum sheet steel. Singleand double 90-degree bends shall be used as necessaryto assure strength and rigidity. The enclosure top shallbe kinked to provide watershed and rigidity. The fusecompartment access door shall be furnished with a stainlesssteel door holder that will latch the door open 100 degreesand 140 degrees and resist accidental closing. The doorshall be provided with provisions for padlocking and arecessed penta-head (or hex-head) security bolt to preventunauthorized entry (coordinated to prevent installation ofthe padlock until the security bolt is tightened when closingthe door(s) and to prevent a wrench from operating thesecurity bolt until the padlock is removed when openingthe door(s)). The security bolt shall be made captive witha stainless steel washer compressed to an oval shape toseverely discourage removal. Hinges shall be stainless steel(with stainless steel pins not less than 0.3125-inch diameter)and shall be welded to both the enclosure and the door tomaintain door alignment for the life of the equipment. Theenclosure shall be nonventilated to minimize the entranceof airborne contamination, insects, rodents or reptiles. Theprotective finish shall include necessary grinding, cleaningand phosphatizing, two-component rust-inhibiting epoxyprimer and a Pad-Mount Green two-component polyurethanetop coat finish—Munsell color 7GY 3.29/1.5 (or OptionalGrey—Munsell color 5BG 7.0/0.4). The primer and topcoat shall be electronically monitored during applicationto insure proper ratio and mixing of each component.Total average thickness of paint (after curing) shall benot less than 5 mils. The protective coating shall meet theEnclosure Coating System requirements of IEEE StandardC57.12.28 (Pad-Mounted Equipment—Enclosure Integrity).Removable lift provisions, adequate to withstand handlingwith normal utility equipment, shall be provided on theoutside of the enclosure. Threaded openings for lift provisionbolts shall be blind holes to prevent the entrance of wire orother foreign objects into the enclosure when lift provisionsare removed.Four threaded openings for attachment of a floor supportframe (to provide additional support when a wall structure isquestionable or inadequate) shall be provided on the bottomof the enclosure. The threaded openings shall be blind holesand shall be unpainted internally to provide a ground for thefloor support frame that may be installed. When specified,an 18-inch (alternate 24-inch, 30-inch, 36-inch or 42-inch)high floor support frame shall be supplied bolted in placewith stainless steel hardware. The floor support frameshall be all-welded construction utilizing 11-gauge minimumsheet steel formed to assure strength and rigidity. The twoground lugs specified for the bottom of the enclosure shall beinstalled on the floor support frame not more than 6 inchesfrom the original location. The protective coating of the floorsupport frame shall meet or exceed the coating requirementsspecified above for the enclosure.Bushings and TerminalsAlternate 1: Bushings shall be 200 ampere Elliott#1101-225B, 25 kV class (15.2 kV to ground) Air-InsulatedBushing Wells, 125 kV BIL, per IEEE Standard 386 Fig. 3(200 A Bushing Well Interface, 8.3 kV, 15.2 kV and 21.1 kV)for use with either 8.3/14.4 kV or 15.2/26.3 kV separableinsulated connectors (Elastimold , Eaton’s Cooper PowerSystems or other approved equal). The bushing wells shallbe pressure-molded cycloaliphatic epoxy with a 0.75-inchdiameter copper conductor on the “air-insulated” side thatis drilled and tapped 0.375-inch – 16UNC x 1-inch deepto provide direct connection of the bus and/or live parts.Leakage distance from the apparatus connection end of thebushing well to ground shall be not less than 30 inches toUni-Rupter is a registered trademark of S&C Electric Company.NX and X-Limiter are either registered trademarks or trademarks of Eaton in the U.S. and other countries.Elliott Industries, Inc. Copyright 20151509 Hamilton RoadPhone 318-746-3296Elastimold is a registered trademark of ABB Asea Brown Boveri Ltd.Bossier City, LoUiSiAna 71111Fax t-industries.com

25-kV Wall-Mount Fuse-Gear200 Amp S&C SMU-20 and SM-4 FusesThree Phase – Indoor/OutdoorBulletin550-216Page 112015Typical Specification - Page 2 of 3assure trouble-free operation in a wet and/or contaminatedenvironment.Integral shielding shall be provided toeliminate partial discharge caused by off-center mountingand mounting holes that may have sharp edges or burrs.Bushing wells shall mount in a 3.125-inch diameter openingand bolt in place to allow field replacement with standardtools. The bushing well mounting bolts shall be self-lockingstainless steel serrated-flange hex-head bolts that “cut”through the enclosure protective finish to ground the integralshielding of each bushing well. The head of one or moreof the mounting bolts for each bushing well shall include a0.156-inch diameter hole to provide a connection to ground forthe loadbreak insert shielding ground wire as recommendedby separable insulated connector manufacturers. To assureadequate strength for apparatus support, the bushing wellshall withstand a minimum cantilever loading of 600 poundsfor five minutes without damage. The bushing well interfaceshall be free of all voids, holes and heat sinks to assure propermating with separable insulated connectors. Each bushingwell shall be tested in free air, mounted in a grounded steelplate not less than 10 inches x 10 inches, with a bushingwell plug (Eaton’s Cooper Power Systems #IBWP225 orequal) installed in the well interface to accurately simulateoperating conditions (gas or liquid dielectric in the interfaceshall not be acceptable for this test). Each bushing well shallmeet the requirements for 25 kV devices in accordance withIEEE Standard 386 (latest revision), including 100 percentproduction testing.Alternate 2: Bushings shall be 600 ampere Elliott#1201-625B2, 25 kV class (15.2 kV to ground) Air-InsulatedBushings, 125 kV BIL, per IEEE Standard 386 Fig. 11(600 A Deadbreak Interface No. 1, 8.3 kV and 15.2 kV) for usewith either 8.3/14.4 kV or 15.2/26.3 kV separable insulatedconnectors (Elastimold , Eaton’s Cooper Power Systemsor other approved equal). The bushings shall be pressuremolded cycloaliphatic epoxy with a 1.25-inch diametertin-plated aluminum conductor on the “air-insulated” side thatis drilled and tapped 0.625-inch – 11UNC x 1-inch deep toprovide direct connection of the bus and/or live parts. Leakagedistance from the apparatus connection end of the bushingto ground shall be not less than 30 inches to assure troublefree operation in a wet and/or contaminated environment.Integral shielding shall be provided to eliminate partialdischarge caused by off-center mounting and mounting holesthat may have sharp edges or burrs. Bushings shall mountin a 3.125-inch diameter opening and bolt in place to allowfield replacement with standard tools. The bushing mountingbolts shall be self-locking stainless steel serrated-flange hexhead bolts that “cut” through the enclosure protective finishto ground the integral shielding of each bushing. To assureadequate strength for apparatus support, the bushing shallwithstand a minimum cantilever loading of 600 pounds forfive minutes without damage. The bushing interface shallbe free of all voids, holes and heat sinks to assure propermating with separable insulated connectors. Each bushingshall be tested in free air, mounted in a grounded steelplate not less than 10 inches x 10 inches, with an insulatedprotective cap (Eaton’s Cooper Power Systems #DPC625or equal) installed on the interface to accurately simulateoperating conditions (gas or liquid dielectric on the interfaceshall not be acceptable for this test). Each bushing shallmeet the requirements for 25 kV devices in accordancewith the test values of IEEE Standard 386 (latest revision),including 100 percent production testing.Fuse MountingsFuse clips and/or fuse hinges shall be

25-kV Wall-Mount Fuse-Gear 200 Amp S&C SMU-20 and SM-4 Fuses Three Phase – Indoor/Outdoor Catalog Number Fuse Mounting Fuse End Fittings/Holder Fuse Unit/Refill EWMR-25-311S-E2TB-SM20 SM-20 without Uni-Rupter SM-20 / SML-20 Cat. #3097 SMU-20 200K or 200E Max EWMR-25-311S-E2TB-SML20 SML-20 with Uni-Rupter