WIXLIB

Three Phase Padmounted Transformers45-3000 kVA

Introduction to ABBOur Quality PolicyABB is a global leader in power and automation technologies that enable utility and industry customers to improve their performancewhile lowering their environmental impact.Total customer satisfaction through continualprocess improvement.Distribution TransformersABB Distribution Transformers provide themost complete line of padmounted transformers to meet the applications of any distributionsystem. We are a dominant force in the industry. We lead the way with the introductionof new products and services for the everchanging distribution transformer industry.We can offer cost-effective solutions for powerdistribution. We support our industry with acommitment to product development. We utilize the latest manufacturing technology tomaintain state-of-the-art quality and productivity. Large vertical integration allows us to shiphigh quality products in the shortest possibleproduction cycle. We are in alliances withmajor utilities and businesses around the worldproviding products and services to meet alltheir needs.Our ValuesOur values guide us in how we go about meeting our vision and mission.Customer Success – We seek to provide solutions for mutual competitive advantage. We setthe highest standards for quality, meet deliverycommitments and provide high value.Quality Excellence – We want to be recognizedas a company that exceeds our customers’expectations.ABB Quality StrategyStart with a focus on the customer.Measure what is important.Define a benchmark for “highest standardfor quality.”Have a means to dramatically improve performance against the benchmark.ABB will continue to build on a heritage ofquality, customer satisfaction and technology,and capitalize on its resources, to maintain itsposition as the number one supplier of transformers in the industry.ABB3

Three Phase PadmountedTransformersThe ABB MTR is an oil-filled, three-phase, commercialpadmounted distribution transformer specificallydesigned for servicing such underground distributionloads as shopping centers, schools, institutions andindustrial plants. It is available in both live front and deadfront construction, for radial or loop feed applications,with or without taps.ABB MTR meets theindustry standards:IEEE C57.12.00ANSI C57.12.22IEEE C57.12.26ANSI C57.12.28ANSI C57.12.29IEEE C57.12.70followingIEEE C57.12.80IEEE C57.12.90IEEE C57.91NEMA TR1WUG 2.13 Rev. 4Ratings: 45 through 3000 kVA 65 C average winding rise 60 hertz standard, 50 hertz optional45-1500 kVA High voltages: 4160 Grd Y/2400 through 34,500 GrdY/19,920 for Grounded Wye systems; 2400 through34,500 for Delta systems; various dual high voltages2000-3000 kVA High voltages: 7200 Grd Y/4160 through 34,500 GrdY/19,920 for Grounded Wye systems; 4160 through34,500 for Delta systems; various dual high voltages Taps: All voltages are available with or without taps Insulation classes: 35 kV, 150 kV BIL and below45-1500 kVA Low voltages: 208Y/120, 216Y/125, 460Y/265, 480Y/277,480 , 240 and 240 with 120 volt mid-tap in onephase; (4160Y/2400, 4160 , 2400 , 2400/4160Y/2400for 500 kVA and larger)2000-3000 kVA Low voltages: 460Y/265, 480Y/277, 480 , 4160Y/2400,2400 , 2400/4160Y/24005. For live front construction, externally clamped highvoltage porcelain bushings with a single eyebolt,clamp-type connector (accommodates #6 AWG solidto 250 MCM stranded conductors).6. For dead front construction, externally clamped highvoltage bushing wells for loadbreak or non-loadbreakinserts.7. Lightning arrester mounting pads (live front only).8. Tank ground pads (1 in HV, 1 in LV).9. Steel high/low voltage compartment barrier.10. One 1/2" penta-head bolt must be removed from theflange formed on the steel high/low barrier beforethe HV door can be opened (1/2" hex-head boltavailable as an option).11. Externally clamped low voltage bushings withthreaded copper stud for full load current below2100 amps. Externally clamped integral low voltagebushings for current above 2100 amps. NEMA spadesprovided per ANSI hole requirements.12. Nameplate.13. Fill plug and self-actuating pressure relief device.14. Drain plug.15. Removable neutral ground strap.16. Five-legged core/coil assembly.17. Handhole cover bolted onto tank top (protectedby weathercover).18. Panel-type coolers.19. NEMA safety labels.20. The paint finish process applies a durable, corrosionresistant finish to the product. The multi-step processincludes an epoxy primer uniformly applied bycationic electrodeposition and a urethane top coat.Optional Features:Primary Termination Externally-clamped bushing wells with loadbreak ornon-loadbreak inserts. Integral loadbreak bushings.Secondary Termination Externally-clamped bushings with NEMA 6-hole,8-hole, 10-hole, or 12-hole spades. Spade supports are available. They are provided for8-hole spades and larger when the current is 1400amps or greater.Primary Switching LBOR oil switch: one for radial, two for loop feed. Externally-operated tap changer. Externally-operated dual voltage switch. Externally-operated delta-wye switch.Standard Features:1. Four lifting lugs.2. Bolted-on terminal compartment (18" or 24" deepdepending on KVA) with removable front sill.3. Hinged, lift-off cabinet doors.4. Interlocked penta-head bolt/padlock handle operates acam assembly which is part of the 3-point door latchingmechanism. (A hex-head bolt is available.)4Overcurrent Protection Internal primary protective links. Bayonet-type expulsion fuses. Drawout, loadbreak current limiting fuses, with orwithout interlocking transformer switch. Secondary oil circuit breaker. Internal, partial-range current limiting fuses.Overvoltage Protection Distribution class, metal oxide arresters, 3-36 kV. Distribution class, valve-type lightning arresters, 3-27 kV.ABB

Construction Options 18", 24" and 30" deep terminal cabinet. Drain valve and sampling device. Mounting plate for CT’s or PT’s. Interphase barriers. Molded case external secondary breaker. Substation Accessories – Oil gauge, thermometer, drainvalve and sampler, pressure-vacuum gauge provision. Weathercover. Transformers may feature an optional weathercoverover the cabinet which is hinged to allow clearancefor replacement of the bayonet-type fuses. The weathercover can be lifted easily into place andsecured with a single supporting arm. The weathercover requires no additional holddownhardware.Some optional features are not available onlarger kVA units.Dead Front, Radial FeedIEEE Fig. 1, 3, and 4 62626262626681848696100CDE44.8 44.8 5644.8 44.8 5644.8 44.8 5649.8 46.8 6250.8 46.8 6258.8 48.8 6260.8 50.8 6662.8 54.8 6666.8 58.8 6676.8 62.8 7078.8 62.8 70Contact FactoryGal.ofWt.Oil2350 1152450 1152700 1253400 1503700 1655400 2007100 2707900 3209700 39012800 43014100 500Dead Front, Loop FeedIEEE Fig. 2, 3, and 4 (C57.12.26)Live Front, Radial FeedANSI Fig. 1, 2, and 3 56565656606681848696100CDE44.8 44.8 5644.8 44.8 5644.8 44.8 5649.8 46.8 5650.8 46.8 5658.8 48.8 5660.8 50.8 6662.8 54.8 6666.8 58.8 6676.8 62.8 7078.8 62.8 70Contact FactoryGal.ofWt.Oil2280 1152400 1152700 1253350 1503650 1655200 2007100 2707900 3209700 39012800 43014100 666882868896100CDEWt.44.8 44.8 56240044.8 44.8 56250044.8 44.8 56280049.8 46.8 62350050.8 46.8 62380058.8 48.8 62560060.8 50.8 66740062.8 54.8 66820066.8 58.8 66 1030076.8 62.8 70 1280078.8 62.8 70 14100Contact esign Dimensions:Approximate weights and dimensions: Dimensions are ininches, weights are in pounds. Dimensions may changeto meet the customer spec.Top ViewB76"3" MIN.MAXIMUM PADDIMENSIONS70"42"15.5"MINIMUM CABLE OPENING5"Side ViewCDFront ViewAEABB18"5

Fliptop Cabinet DesignWe offer a fliptop air enclosure for three phase padmountedtransformers. It is designed to improve operation and tobetter withstand its outdoor environment. New manufacturing equipment has allowed ABB to fabricate a “fliptop” cabinet design to better serve the needs of ourcustomers. Material choices consist of both carbon steeland stainless steel.The improvementfeatures of thenew cabinet designinclude: One piece “sloped”cabinet weather cover.The cabinet weathercover has a fourdegree sloped surfaceto shed all moisture tothe rear of the transformer. Both the handholeweather cover and thefull tank weather coverhave a four degreesloped surfaceto shed water. The fulltank weather coveroption extends beyondthe rear of the transformer to insure all moisture isdirected away from the top of the tank. The cabinet weather cover support arm is freefloating and locks into place automatically. This allowsthe linemen to use both hands when raising the cover.No reaching into the compartment is necessary tosecure the cover in place. The cabinet weather cover can be rotated beyond centeror easily removed for better access into the the cabinetcompartment. The capability of “pulling” cables fromabove was a feature requested by utilities. The interface between the sidewalls and the cabinetweather cover has been redesigned to better receivethe weather cover when closed. This new interfaceminimizes surface contact to prevent the rubbingof paint.This cabinet design hassuccessfully passed allindustry tamper resistance requirements.Using Guidelines forTesting EnclosureIntegrity, the designpassed pry tests, pulltests, wire probe tests,deflection tests, and theoperation test. The testsperformed confirm thatthe cabinet meets thetamper resistancerequirements of ANSIC57.12.28 at both 0 and15 psig, as well as ANSIC57.12.22 and IEEEC57.12.26 demonstratingsufficient strength towithstand an internalstatic pressure of 7 psigwithout permanent distortion and 15 psig without rupturing or displacing components of the transformer oraffecting cabinet security.Support Arm Locking Mechanism6ABB