Power Transformers

power transformers — pre-owned

36,597listings

Browse 36,597 power transformers — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Basler Electric Transformer BE40137001 46-101905-01 PRI 208/240V SEC 24VAC 40VA
UsedBuy It Now

Basler Electric Transformer BE40137001 46-101905-01 PRI 208/240V SEC 24VAC 40VA

NATE Certified. Duct Cleaning Certified. Heat Pump Specialist.

$28.00
Free ShippingNorth Port, US
hvacpartswarehouseonline
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100.0%Excellent· 3.7k
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GE 37.5 KVA TRANSFORMER 1-PHASE 240X480V TO 120/240V 9T83C2572 COPPER NEMA 2
UsedBuy It Now

GE 37.5 KVA TRANSFORMER 1-PHASE 240X480V TO 120/240V 9T83C2572 COPPER NEMA 2

$699.00
See listingTucson, US
arizonaliquidator
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100.0%Excellent· 5.3k
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Square D 15t85HIS, 15 Kva Transformer, Barely Used
Seller refurbishedBuy It NowBest Offer

Square D 15t85HIS, 15 Kva Transformer, Barely Used

Square D 15t85HIS is a 15 kVA transformer with a primary voltage rating of 208V AC. It is designed for AC to AC current conversion and has 3 phases with a primary current rating of 208 high leg and a secondary current rating of 120/208 wye. With a turns ratio of 1:5, this transformer is ideal for a variety of industrial and commercial applications where reliable power conversion is needed. You are welcome to use your own shipping- or local pick up.

$350.000
See listingSan Francisco, US
philucc_69
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99.5%Excellent· 452
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FEDERAL PACIFIC Transformer 36A 30kva 3 Phase 480
UsedBuy It Now

FEDERAL PACIFIC Transformer 36A 30kva 3 Phase 480

I know nothing about it. They bought it but never hooked it up. Been sitting in the building for 15 years.

$350.00
See listingSpringfield, US
geor2295_ub2qsxiv
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100.0%Excellent· 57
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Toroidal Transformer 300VA 24V AC 12.5A or 28V AC 10.7A 60Hz 12120 120V
UsedBuy It Now

Toroidal Transformer 300VA 24V AC 12.5A or 28V AC 10.7A 60Hz 12120 120V

White/Red in, Brown/Yellow/Black out (Black is 28V, Yellow is 24V).

$38.95
Free ShippingGravette, US
greenbacklogistics
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99.9%Excellent· 10.7k
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Vintage Standard Electrical Adjust a Volt LRL-5 Variable Transformer Works Ohio
UsedBuy It NowBest Offer

Vintage Standard Electrical Adjust a Volt LRL-5 Variable Transformer Works Ohio

UNIT IN GREAT CONDITION. TESTED AND WORKS. Approx Weight: 20 Lbs.

$79.99
See listingSpencer, US
qualityrelics
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99.9%Excellent· 7.0k
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Beyer Transformer TR/BV 351 015 006 or 20-015 SUT Input
UsedBuy It NowBest Offer

Beyer Transformer TR/BV 351 015 006 or 20-015 SUT Input

These are rebranded Beyer units from a distribution amplifier. They are guaranteed good. There are 10 available. They can be mic in, phono input, line etc. Will combine shipping. Thanks!

$35.00
+$5.50Rock Island, US
melgesm16
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99.9%Excellent· 4.3k
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75 KVA 480 primary to 240 secondary transformer NMK075KD Hammond
Seller refurbishedBuy It NowBest Offer

75 KVA 480 primary to 240 secondary transformer NMK075KD Hammond

$1950.00
Free ShippingElkhart, US
salesman1955
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100.0%Excellent· 3.7k
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Franceformer 12030P neon sign transformer 120V 60HZ 30MA sec 360VA-12000 VOLTS
UsedBuy It NowBest Offer

Franceformer 12030P neon sign transformer 120V 60HZ 30MA sec 360VA-12000 VOLTS

Outdoor non‑weatherproof, normal power factor. Secondary balanced with mid‑point ground. UL/CSA listed.

$150.00
+$15.00Bonita Springs, US
marilynmitchell047
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100.0%Excellent· 1.3k
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A-B Allen Bradley 1321-3R4-B Phase Line Reactor 600V  4A 3Ph
-40%
UsedBuy It NowBest Offer

A-B Allen Bradley 1321-3R4-B Phase Line Reactor 600V 4A 3Ph

A-B Allen Bradley 1321-3R4-B Phase Line Reactor 600V 4A 3Ph A-B Allen Bradley. Part Number 1321-3R4-B. Information and Support. Our mission is to empower industries with the tools and solutions they need to thrive in a dynamic and ever-evolving marketplace.

$28.19$46.99-40%

You save $18.80

Free ShippingMillersburg, US
arrowindustrialsales
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99.9%Excellent· 20.9k
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Interlogix MGT1640 16.5VAC 40VA Class II Plug-In Transformer P/N:22-166 Open Box
TOP
UsedBuy It Now

Interlogix MGT1640 16.5VAC 40VA Class II Plug-In Transformer P/N:22-166 Open Box

We understand if you encounter any setbacks. Item is in good working condition unless otherwise stated. Any parts not photographed WILL NOT be included.

$14.99
Free ShippingSaint Paul, US
minnesotacomputersTOP
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99.8%Excellent· 22.3k
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Jard E66-40-OW-9921 Furnace Transformer TB401224-B11C71
UsedBuy It NowBest Offer

Jard E66-40-OW-9921 Furnace Transformer TB401224-B11C71

Jard E66-40-OW-9921 Furnace Transformer TB401224-B11C71. Item is used. Working when removed from service.

$30.00
Free ShippingAndover, US
wheatridgeresells
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100.0%Excellent· 481
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Acme T-1-11683 Transformer Primary 120/240 Secondary 12/24 T111683
UsedBuy It Now

Acme T-1-11683 Transformer Primary 120/240 Secondary 12/24 T111683

Acme T-1-11683 Transformer Primary 120/240 Secondary 12/24 Loc g2

$89.99
Free ShippingGrand Junction, US
joshk1411
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99.8%Excellent· 1.6k
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Acme T-2-53516-3S General Purpose Transformer 240x480 Pri V 120/240 Sec V 10 KVA
UsedBuy It Now

Acme T-2-53516-3S General Purpose Transformer 240x480 Pri V 120/240 Sec V 10 KVA

May show minor imperfections but nothing that will impact performance. Doing that is against U.S. and international laws.

$399.99
See listingRochester, US
etechsurplus
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100.0%Excellent· 14.7k
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USED TTI LL-0126 Open Type Inductor Class H 37-40mHy 20ADC 120Hz TTI-22968UH2
UsedBuy It NowBest Offer

USED TTI LL-0126 Open Type Inductor Class H 37-40mHy 20ADC 120Hz TTI-22968UH2

TTI Inductor Module. Type: Open. NO EXCEPTIONS. Model#: TTI-22968UH2. We are located in Belgium, WI. Condition: Used. Item No: 11108.

$75.00
See listingBelgium, US
gibuys
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99.9%Excellent· 10.1k
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Jefferson Electric 20.4 KVA 3-Phase Autotransformer 208V to 235V 415-0001-084
UsedBuy It Now

Jefferson Electric 20.4 KVA 3-Phase Autotransformer 208V to 235V 415-0001-084

All units are functional. Phase: 3-Phase. Frequency: 60 Hz. Weight: 60 lbs. Enclosure: NEMA 3R (Outdoor Rated).

$250.00
See listingAnchorage, US
cpsound
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100.0%Excellent· 539
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Acme Transformer T 2-53012-S Transformer
-30%
UsedBuy It NowBest Offer

Acme Transformer T 2-53012-S Transformer

Rack8-2 MP. SEE PHOTOS ABOVE FOR DETAILS AND ITEM SPECS.

$96.60$138.00-30%

You save $41.40

See listingPennsauken, US
fceequipment
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100.0%Excellent· 3.6k
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Proxxon NG 5/E Variable Transformer USED TESTED WORKS FREE SHIPPING
UsedBuy It Now

Proxxon NG 5/E Variable Transformer USED TESTED WORKS FREE SHIPPING

Proxxon NG 5/E Variable Transformer USED TESTED WORKS FREE SHIPPING . Condition is Used. Shipped with USPS Ground Advantage.

$69.99
See listingConcord, US
curt_corn
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99.8%Excellent· 2.1k
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Tripp Lite IS1000HG 4-Outlet Isolation Transformer 1000W 120V, Hospital Grade.
UsedBuy It Now

Tripp Lite IS1000HG 4-Outlet Isolation Transformer 1000W 120V, Hospital Grade.

Barely used in very good to excellent condition. There might be light scratches here and there due to storage. It is a medical grade isolation transformer which cost a lot more than the consumer model with similar power rating.

$274.95
+$45.00Dorchester Center, US
votinh
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100.0%Excellent· 373
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Square D 45T3H Transformer 45 kVA - 480V to 208Y/120V - 3 Phase
-15%
UsedBuy It NowBest Offer

Square D 45T3H Transformer 45 kVA - 480V to 208Y/120V - 3 Phase

The Square D 45T3H Transformer is a 45 kVA power transformer designed for electrical power conversion. With a primary voltage rating of 480V and a secondary voltage rating of 208Y/120V, this stand-alone transformer is ideal for stepping down 3-phase electrical power. Made in the United States, this gray-colored transformer operates at a minimum frequency of 60 Hz and is a reliable choice for various industrial and commercial applications.

$552.50$650.00-15%

You save $97.50

See listingMachesney Park, US
industrialsurplusstuff2025
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99.7%Excellent· 7.0k
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Products Unlimited Corp 24 V Transformer 4000-01E07AE15 Used Working
UsedBuy It NowBest Offer

Products Unlimited Corp 24 V Transformer 4000-01E07AE15 Used Working

The Products Unlimited Corp 24 V Transformer 4000-01E07AE15 is a used electrical equipment and supply designed for industrial applications. With a primary voltage rating of 24 V AC and 15 V DC, and secondary voltage rating of 15 V DC and 24 V AC, this transformer offers a turns ratio of 4:1. Perfect for businesses in need of power transformation for various electrical systems, this product provides reliable and efficient voltage conversion for a range of industrial uses.

$14.99
+$10.00Shawano, US
benishouse
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100.0%Excellent· 853
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Philips Advance 71A8107 Reactor Ballast 150W High Pressure Sodium, FREE SHIPPING
UsedBuy It NowBest Offer

Philips Advance 71A8107 Reactor Ballast 150W High Pressure Sodium, FREE SHIPPING

Model Number: 71A8107. Ballast Type: Reactor. Application: Indoor/Outdoor HID lighting systems. Quantity :1 more available. Condition: Used-Working.

$24.87
Free ShippingCommerce City, US
broncos
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99.7%Excellent· 72.0k
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Trane Basler Transformer BE27357007 PRI 200/230 SEC 24V 75 VA
UsedBuy It Now

Trane Basler Transformer BE27357007 PRI 200/230 SEC 24V 75 VA

Variable Drive Certified by Trane. Heat Pump Specialist.

$30.00
Free ShippingNorth Port, US
hvacpartswarehouseonline
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100.0%Excellent· 3.7k
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Stancor, P-6378, Power Transformer, 12V-8A, Used
-50%
UsedBuy It NowBest Offer

Stancor, P-6378, Power Transformer, 12V-8A, Used

$21.87$43.75-50%

You save $21.88

Free ShippingBillings, US
expertsurplus
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99.9%Excellent· 3.8k
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SQUARE D 3SQ82526 SINGLE PHASE TRANSFORMER, 3 KVA, 3R
UsedBuy It Now

SQUARE D 3SQ82526 SINGLE PHASE TRANSFORMER, 3 KVA, 3R

Primary 575/480.

$199.99
See listingFindlay, US
nwisindustrial
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100.0%Excellent· 4.1k
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Daykin LTFS-05 Enclosed Disconnect Transformer Pri 460V Sec 115V 1000VA
-10%
UsedBuy It NowBest Offer

Daykin LTFS-05 Enclosed Disconnect Transformer Pri 460V Sec 115V 1000VA

SKU: 252241 - Daykin LTFS-05 Enclosed Disconnect Transformer Pri 460V Sec 115V 1000VA - Daykin - Used LTFS-05 . -- Prefer to pick it up yourself? You are welcome to do so, by appointment. We will load it free of charge unless otherwise stated in the listing. If your purchase requires a pallet, banding or any other form of packaging, a packaging fee may apply.

$36.14$39.99-10%

You save $3.85

See listingMiddlebury, US
bullseyeindustrialsales
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99.8%Excellent· 66.3k
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Acme Electric T253012S Stepdown Power Transformer 2KVA 1Ph HV 240/480 LV 120/240
UsedBuy It NowBest Offer

Acme Electric T253012S Stepdown Power Transformer 2KVA 1Ph HV 240/480 LV 120/240

Part Number T253012S. Model T253012S. Our mission is to empower industries with the tools and solutions they need to thrive in a dynamic and ever-evolving marketplace. Frequency: 60. Information and Support.

$79.99
See listingMillersburg, US
arrowindustrialsales
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99.9%Excellent· 20.9k
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General Electric - P/N: 9T58B44 - Type IP - Transformer
UsedBuy It Now

General Electric - P/N: 9T58B44 - Type IP - Transformer

$39.99
See listingGurnee, US
sintrol
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99.8%Excellent· 17.9k
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Federal Pacific 150 KVA Transformer 3 Phase
UsedBuy It NowBest Offer

Federal Pacific 150 KVA Transformer 3 Phase

Federal Pacific 150 KVA Transformer 3 Phase

$1500.00
See listingLeitchfield, US
joeriteway2089
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100.0%Excellent· 1.5k
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Sencore AC Powerite Variable Isolation Transformer & Safety Analyzer Model PR57
UsedBuy It Now

Sencore AC Powerite Variable Isolation Transformer & Safety Analyzer Model PR57

$249.99
See listingVallejo, US
johpac-41
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99.8%Excellent· 831
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37.5KVA Transformer 1 Single Phase 480v/240v-120v/240v Delta 460v 230v “”AK”
UsedBuy It NowBest Offer

37.5KVA Transformer 1 Single Phase 480v/240v-120v/240v Delta 460v 230v “”AK”

If you have to get a hold of us, look us up on the net. What is your phone number and extension if you have one?. Item Details. What is your zip code?. Do you have a forklift, a loading dock or neither?.

$649.00
See listingSpencerport, US
adamstang2005
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99.9%Excellent· 70.8k
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Eaton Cutler Hammer S29N11S02N Dry Type Distribution Transformer
UsedBuy It NowBest Offer

Eaton Cutler Hammer S29N11S02N Dry Type Distribution Transformer

$250.00
See listingHarrisburg, US
melvin*sparky
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100.0%Excellent· 964
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Square D 45T3H 45 kVA Transformer 3 Phase 480V to 208Y/120V Sorgel Dry Type
UsedBuy It NowBest Offer

Square D 45T3H 45 kVA Transformer 3 Phase 480V to 208Y/120V Sorgel Dry Type

Have the driver initial the bill of lading and take a photo of entire bill of lading. Quantums standard warranty applies as shown above. If it is not pictured or explicitly listed, it is not included.

$990.00
See listingThe Dalles, US
quantumtechnologyinc
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99.5%Excellent· 1.7k
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Basier Electric 75VA Transformer C800714P01 BE27357007
-15%
UsedBuy It Now

Basier Electric 75VA Transformer C800714P01 BE27357007

Basier Electric 75VA Transformer C800714P01 BE27357007 In 100% working order

$19.79$23.40-15%

You save $3.61

Free ShippingHanover, US
hanovercollectibles
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99.3%Excellent· 3.8k
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Cadwell 800 VA Isolation Transformer, Medical Isolation Unit w/ Warranty
TOP
UsedBuy It Now

Cadwell 800 VA Isolation Transformer, Medical Isolation Unit w/ Warranty

$180.00$360.00-50%

You save $180.00

Free ShippingCanyon, US
whatadealwallyTOP
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99.8%Excellent· 25.1k
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HAMMOND POWER SOLUTIONS PH250MQMJ 250VA Transformer 220/440VAC
UsedBuy It NowBest Offer

HAMMOND POWER SOLUTIONS PH250MQMJ 250VA Transformer 220/440VAC

100% money back if not happy.

$95.00
+$15.00Holland, US
wineguy11
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100.0%Excellent· 209
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MG ELECTRONICS MGT1640P PRI 120VAC SEC 16.5VAC 40VA TRANSFORMER W/LED
UsedBuy It Now

MG ELECTRONICS MGT1640P PRI 120VAC SEC 16.5VAC 40VA TRANSFORMER W/LED

$3.29
+$8.99Saint Louis, US
cashcentral
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100.0%Excellent· 5.6k
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30kva Transformer 3 Phase 480v-208v/120v 460v 440v 220v 230V DELTA WYE EFF ENERG
UsedBuy It NowBest Offer

30kva Transformer 3 Phase 480v-208v/120v 460v 440v 220v 230V DELTA WYE EFF ENERG

820 SQUARE D 30KVA ENERGY EFF 480 208/120 3PH WT- 330 AL 30T3HF T2c3. If you have to get a hold of us, look us up on the net. What is your phone number and extension if you have one?. Do you have a forklift, a loading dock or neither?.

$499.00
See listingSpencerport, US
adamstang2005
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99.9%Excellent· 70.8k
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Siemens Dry Type Transformer 30 KVA 480-208Y/120 Volt Cat# 3F3Y030  3 Phase 60Hz
Seller refurbishedBuy It NowBest Offer

Siemens Dry Type Transformer 30 KVA 480-208Y/120 Volt Cat# 3F3Y030 3 Phase 60Hz

$651.70
See listingKennewick, US
highdesertsurplus28
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99.4%Excellent· 481
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Jefferson Electric Buck-Boost Transformer 416-1231-000
UsedBuy It NowBest Offer

Jefferson Electric Buck-Boost Transformer 416-1231-000

Jefferson Electric Buck-Boost Transformer 416-1231-000

$135.00
See listingBentley, US
josduc5718
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100.0%Excellent· 111
View on eBayOpen listing →