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New 35w core transformer - 35w,
$72.95
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Veris pds ctsc 021 - pds-ctsc-021, core
$196.99
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New ccs actl 1250 150 - new, accu-ct
$94.95
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Split core current transformer - split,
$122.46
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Transformers power core - power,
$14.49
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Set mon 50058786 006 - of, 2
$59.95
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Vintage core audio - 2,
$25.00
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Sct 013 030 015 - sct-013-030/015, non-invasive
$5.16
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Transformer laminated core
$17.54
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Transformers studio series - transformers,
$16.99
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Hasbro transformers power core - hasbro,
$34.99
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Transformers legacy united - transformers,
$34.99
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New electromagnetic - new,
$439.95
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2pairs uy20 transformer - uy20,
$37.11
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Core components le60050 - core,
$22.00
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Hammond control transformer
$79.99
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Transformers power core - power,
$39.99
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Lot vintage ei - lot,
$14.00
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Transformers legacy united - transformers,
$9.99
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New yuanxing ctsa016 - ctsa016,
$39.99
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Shelly 50a split - shelly,
$18.95
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Transformers power core - power,
$39.99
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Transformers power core - power,
$14.99
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Transformers power core - transformers,
$24.99
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High voltage transformer - high,
$71.97
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Transformers power core - power,
$44.99
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5000v core and coil - and, beer
$47.95
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115v 230v 30w - 115v/230v,
$32.46
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2sets ee55b 20pin - 2sets,
$29.99
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Simpson electric 37035 split - electric,
$240.99
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Wicc mw0100 current - mw0100-t,
$47.00
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Core components le80050 300va - core,
$90.00
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Transformers power core - power,
$14.95
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Transformers power core - transformers,
$14.99
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100a sct013 non invasive - 100a,
$12.68
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Accuenergy acusplitct - accuenergy,
$51.89
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Transformers legacy united - legacy,
$38.71
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Transformers studio series - transformers,
$39.99
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100w core transformer - 100w, r-core
$145.00
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Dent instruments srl 400u - instruments, ct-srl-400u
$30.00
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Magnetic core selection for - core,
$29.99
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50w core transformer tube - transformer,
$34.99
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3500v core and - 3500v, beer
$39.95
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Transformers legacy evolution - legacy,
$60.00
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Split core current - ac,
$27.35
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Veris h6811 400a 3v - veris,, power
$119.00
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Continental cts 0750 100 - cts-0750-100, lf
$29.99
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Ecs36200 split core - core, current
$16.99
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Lot new cr magnetics - 5×cr,
$22.00
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Transformers power core - transformers,
$34.99
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Enphase split core current - enphase,
$15.96
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Hasbro transformers studio - transformers,
$10.00
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Transformers power core - transformers,
$31.99
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Transformers kingdom megatron - transformers,
$15.00
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Hasbro transformers - hasbro,
$16.21
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Transformers power core - power,
$49.99
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Transformers power core - transformers,
$16.95
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New hasbro transformers - hasbro,
$49.00
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Transformers legacy evolution - transformers,
$19.99
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Transformers legacy evolution - legacy,
$17.99
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Quintesson pit judgement - pit,
$324.99
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Transformers legacy evolution - transformers,
$18.99
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Transformers power core - power,
$29.99
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Transformers toys legacy - toys,
$24.99
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Transformers studio series - transformers,
$34.99
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Transformers legacy core hot - transformers,
$9.99
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Transformers generations - transformers,
$30.79
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2435 falco u40002 split - 2435,
$29.99
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Transformers studio series - studio,
$34.99
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Dna design upgrade kit - dna, dk-47
$55.99
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Transformers legacy core swoop - transformers,
$19.27
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Transformers bumblebee movie - bumblebee,
$19.99
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Transformers studio series - studio,
$49.99
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Transformers bomb burst - transformers, bomb-burst
$16.97
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Hasbro transformers war for - transformers,
$17.99
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New yuanxing ctsa035 - yuanxing,
$39.99
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Transformers studio series - transformers,
$74.50
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Transformers skyburst power - transformers,
$17.97
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Transformers power core - power,
$99.99
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Transformers buzzworthy - transformers,
$13.00
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Transformers missile carrier - transformers,
$13.97
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Transformers legacy optimus - transformers,
$14.99
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Triad magnetics 254x - triad, f-254x
$25.99
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Transformers power core - power,
$39.99
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Transformers studio series - studio,
$34.98
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Transformers war for cybertron - war,
$19.99
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Transformers decepticon core - transformers,
$35.00
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Transformers kingdom bumblebee - kingdom,
$19.99
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Continental control systems - continental,
$23.00
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Transfomers movie hasbro - transfomers,
$29.99
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Hasbro transformers wfc - hasbro,
$26.99
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Transformers power core - transformers,
$39.99
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Transformers toys legacy - toys,
$21.99
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Flex core current transformer - flex,
$39.95
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Ohio semitronics cti - ohio, cti-300
$45.00
Buy It Now
Talema 70041k transformer - talema,
$39.99
Buy It Now
Looking for more transformer core?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 transformer core listings currently in our index. Prices range from $5.16 to $439.95, with an average of $47.16. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about transformer core →
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Whether you are looking for a brand-new or second-hand transformer core, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $5.16, while premium listings can reach $439.95 — giving you a wide budget spread to work with. The average price of $47.16 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.