60 Hz Three Phase Transformers in Colorado KVA Low KVA High Primary Volts Secondary Volts Use KVA voltage numbers, not MVA.If you want to find a 15 MVA transformer,search 15000 in the KVA Low box.Use KVA voltage numbers, not MVA.If you want to find a 15 MVA transformer,search 15000 in the KVA Low box.Only type one number in the Primary or Secondary volts filter.No slashes “/” or letters such as “Y”.For a 208Y/120, you can search “208” or “120”.Results include +/- 5% variance in voltage.Only type one number in the Primary or Secondary volts filter.No slashes “/” or letters such as “Y”.For a 208Y/120, you can search “208” or “120”.Results include +/- 5% variance in voltage.Tip: Search 120 or 240 for 240/120 volts. Numbers only.ManufacturersGeneral Electric (14)Westinghouse (4)Abb (3)Ltc (3)Square D (3)Eaton (2)Ferranti Packard (2)Hammond (2)Sola (2)Cooper (1)Cutler-Hammer (1)Delta Star (1)Federal Pacific (1)High To Low Voltage (1)Howard Industries (1)Magnetics (1)Mcgraw-Edison (1)Mtc (1)Niagara (1)Onan (1)Prolec (1)Reda (1)Rex (1)Rte (1)Sorgel (1)Standard (1)Sundstrand (1)T And R (1)Van Tran (1)Virginia (1)LocationColorado (108)Motor ConditionAll ConditionsUsed Only (80)New/Rebuilt Only (28) Search by Keywords Reset Try our Advanced Transformer Search 1 - 50 of 108 listings View All ListingsMotor ConditionAll ConditionsUsed Only (80)New/Rebuilt Only (28) Sort by Sort by RelevanceTitleRecently ListedYear (Newest)Price Low to HighPrice High to Low Auction Listings Show/Hide Photos 15 KVA 480 Delta Primary, 208Y/120 Secondary, Dry Type, Nema 1 & Nema 3R (15 available)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 15 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 1Denver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, COJUST ADDED! 15 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 3RDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO 25 KVA 480 Primary, 240/120 Secondary, Hammond #NMF025LEPower Zone Equipment | Center, CO 719-75... (Show) 719-752-2159 Category: 60 Hz Three Phase TransformersSeller: Power Zone EquipmentLocation: Center, CO Mfr: HammondBrand/Model: Hammond Power NMF025LE : Good used Hammond Power transformer with 480volts, 25 kva, 60 hzWeight 250 lbsDims 25"Lx24"Wx29"H RPM: Volts: 480.JUST ADDED! 30 KVA 415 Delta Primary, 240 Delta Secondary, Square D EX30T1118H, Nema 1, newDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO Mfr: Square DGet email updates for newly added 60 Hz Three Phase TransformersNew Listing AlertThree Phase Transformers (also known as three-phase power transformers) are devices designed to step up or step down voltage in three-phase electrical systems operating at 60 Hz. Commonly used in industrial, commercial, and utility applications, they provide efficient energy distribution for large machinery, equipment, and facilities. These transformers are essential for ensuring stable, reliable power in three-phase networks. 30 KVA 480 Delta Primary, 208Y/120 Secondary, Dry type, Nema 1 & Nema 3R (47 available)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 30 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 1Denver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, COJUST ADDED! 30 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 3RDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO 40 KVA 460 Delta Primary, 230Y/133 Secondary, Dry type, D663High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 40 KVA 460 Delta Primary, 460Y/266 Secondary, Dry type (5 available), D619High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 45 KVA 480 Delta Primary, 208Y/120 Secondary, Square D EXN45T3HCU, Nema 1, newDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO Mfr: Square D 45 KVA 480 Primary, 208Y/120 Secondary, HPS Sentinel K, SK3A0045KB3KF, dry, 10 Bil., newHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 45 KVA 480 Delta Primary, 208Y/120 Secondary, Dry type (31 available)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 45 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 1Denver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, COJUST ADDED! 45 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 3RDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO 45 KVA 480Y/277 Primary, 208 Delta Secondary, Dry typeHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 45 KVA 690 Pri. 480 Sec., Isolation Transformers, 150 deg C rise, Nema 3R, 4.8% Imp., new (10)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 50 KVA 4160 Delta Primary, 480Y/277 Secondary, Dry typeHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 75 KVA 480 Delta Primary, 208Y/120 Secondary, Dry type (10 available)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 75 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 1Denver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, COJUST ADDED! 75 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 3RDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, COJUST ADDED! 75 KVA 480 Delta Primary, 480Y/277 Secondary, Square D EXN75T1814HCU, Nema 1Denver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO Mfr: Square D 75 KVA 600 Delta Primary, 480Y/277 Secondary, Dry typeHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 75 KVA 2400 Delta Primary, 208Y/120 Secondary, Dry type (2 available)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 75 KVA 13800 Delta Primary, 208Y/120 Secondary, Dry typeHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 112.5 KVA 480 Delta Primary, 208Y Secondary, Dry type TransformerHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 112.5 KVA 480 Delta Primary, 208Y/120 Secondary, Dry type (13 available)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 112.5 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 1Denver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, COJUST ADDED! 112.5 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 3RDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO 112.5 KVA 480 Delta Primary, 480Y/277 Secondary, Dry type (2 available)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 112.5 KVA 2400 Delta Primary, 208Y/120 Secondary, Dry typeHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 112.5 KVA 34500Y/19920 Primary, 480Y/277 Secondary, Substation, + & - taps, top-frontHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 150 KVA 480 Delta Primary, 208Y/120 Secondary, Dry type (2 available)High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 150 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 1Denver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, COJUST ADDED! 150 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 3RDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO 150 KVA 4160 Delta Primary, 208Y/120 Secondary, Dry typeHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 150 KVA 13200GY/7620 Primary, 208Y/120 Secondary, Westinghouse, Dead Front Loop Feed, Spades, Bayonet w/Isolation Link, Drain and Sample Valve, Gauges, reconditionedHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO Mfr: Westinghouse 150 KVA 13200GY/7820 Primary, 480Y/277 Secondary, Howard Industries, Dead Front Loop Feed, Spades, Bayonet w/Isolation Link, Drain and Sample Valve, reconditionedHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO Mfr: Howard Industries 150 KVA 13800 Delta Primary, 208Y/120 Secondary, Dry typeHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 225 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 1Denver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, COJUST ADDED! 225 KVA 480 Primary, 208Y/120 Secondary, 3 phase, Nema 3RDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO 300 KVA 480 Delta Primary, 208Y Secondary, Dry type TransformerHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, COJUST ADDED! 300 KVA 480 Primary, 208Y/120 Secondary, General Electric 9T46G0008G03, Nema 1, K-factor TransforMore, 4.5% IMPDenver Breaker & Supply | Denver, CO 800-54... (Show) 800-544-7375 Category: 60 Hz Three Phase TransformersSeller: Denver Breaker & SupplyLocation: Denver, CO Mfr: General Electric 300 KVA 480 Delta Primary, 208Y/120 Secondary, Dry typeHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 300 KVA 480 Delta Primary, 208Y/120 Secondary, Dry type transformer, unusedHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 300 KVA 2400 Primary, 480/440Y Secondary, REDA TransformerPower Zone Equipment | Center, CO 719-75... (Show) 719-752-2159 Category: 60 Hz Three Phase TransformersSeller: Power Zone EquipmentLocation: Center, CO Mfr: RedaBrand/Model: REDA 300 KVA Transformer : 2400V Pri, 440V Y/ 480V Sec. RPM: Volts: 480/2400 Phase: 3. 300 KVA 13200 Delta Primary, 480 Delta Secondary, Standard, liquid filled substationHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO Mfr: Standard 300 KVA 13800 Delta Primary, 480Y/277 Secondary, General Electric, + & - taps, throat-throat, substationHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO Mfr: General Electric 500 KVA 480 Delta Primary, 208Y/120 Secondary, H2LV Dry 40High To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO 500 KVA 480Y/277 Primary, 208 Delta Secondary, Dry type, 3 phaseHigh To Low Voltage | Commerce City, CO 303-28... (Show) 303-285-2569 Category: 60 Hz Three Phase TransformersSeller: High To Low VoltageLocation: Commerce City, CO Listings Per Page 50 Listings Per Page100 Listings Per Page Have One to Sell? 1 2 3 Next 50 Listings View All Listings