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Transformer core

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New 35w core - new, r-core

New 35w core - new, r-core

$72.95
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Veris pds ctsc 021 split - veris, core

Veris pds ctsc 021 split - veris, core

$196.99
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New ccs actl 1250 150 - ccs, accu-ct

New ccs actl 1250 150 - ccs, accu-ct

$94.95
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Split core current transformer - current,

Split core current transformer - current,

$122.46
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Transformers power core - transformers,

Transformers power core - transformers,

$14.49
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Set mon 50058786 006 - set, 2

Set mon 50058786 006 - set, 2

$59.95
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Vintage core audio - ei, output

Vintage core audio - ei, output

$25.00
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Sct 013 030 - sct-013-030/015, non-invasive

Sct 013 030 - sct-013-030/015, non-invasive

$5.16
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Transformer laminated core

Transformer laminated core

$17.54
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Transformers studio series - series, 86

Transformers studio series - series, 86

$16.99
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Hasbro transformers power core - hasbro,

Hasbro transformers power core - hasbro,

$34.99
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Transformers legacy united - legacy,

Transformers legacy united - legacy,

$34.99
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New electromagnetic - new,

New electromagnetic - new,

$439.95
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2pairs uy20 transformer - 2pairs(4pcs),

2pairs uy20 transformer - 2pairs(4pcs),

$37.11
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Core components le60050 - core,

Core components le60050 - core,

$22.00
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Hammond control transformer

Hammond control transformer

$79.99
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Transformers power core - transformers,

Transformers power core - transformers,

$39.99
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Lot vintage ei - lot, of

Lot vintage ei - lot, of

$14.00
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Transformers legacy united - legacy,

Transformers legacy united - legacy,

$9.99
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New yuanxing ctsa016 - new,

New yuanxing ctsa016 - new,

$39.99
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Shelly 50a split - shelly, ct

Shelly 50a split - shelly, ct

$18.95
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Transformers power core - transformers,

Transformers power core - transformers,

$39.99
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Transformers power core - transformers,

Transformers power core - transformers,

$14.99
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Transformers power core - power,

Transformers power core - power,

$24.99
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High voltage transformer - high,

High voltage transformer - high,

$71.97
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Transformers power core - transformers,

Transformers power core - transformers,

$44.99
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5000v core and coil neon - coil, beer

5000v core and coil neon - coil, beer

$47.95
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115v 230v 30w core - 30w, r-core

115v 230v 30w core - 30w, r-core

$32.46
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2sets ee55b 20pin transformer - 2sets,

2sets ee55b 20pin transformer - 2sets,

$29.99
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Simpson electric 37035 - simpson, split

Simpson electric 37035 - simpson, split

$240.99
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Wicc mw0100 current - wicc, mw0100-t

Wicc mw0100 current - wicc, mw0100-t

$47.00
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Core components le80050 300va - core,

Core components le80050 300va - core,

$90.00
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Transformers power core - transformers,

Transformers power core - transformers,

$14.95
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Transformers power core - transformers,

Transformers power core - transformers,

$14.99
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100a sct013 non invasive - 100a, non-invasive

100a sct013 non invasive - 100a, non-invasive

$12.68
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Accuenergy acusplitct - accuenergy,

Accuenergy acusplitct - accuenergy,

$51.89
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$38.71
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Transformers studio series - transformers,

Transformers studio series - transformers,

$39.99
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100w core transformer - 100w, r-core

100w core transformer - 100w, r-core

$145.00
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Dent instruments srl 400u - instruments, ct-srl-400u

Dent instruments srl 400u - instruments, ct-srl-400u

$30.00
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Magnetic core selection for - magnetic,

Magnetic core selection for - magnetic,

$29.99
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50w core transformer tube - r-core,

50w core transformer tube - r-core,

$34.99
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3500v core and coil - coil, neon

3500v core and coil - coil, neon

$39.95
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$60.00
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Split core current - ac,

Split core current - ac,

$27.35
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Veris h6811 400a 3v power - veris,,

Veris h6811 400a 3v power - veris,,

$119.00
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Continental cts 0750 100 - continental, lf

Continental cts 0750 100 - continental, lf

$29.99
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Ecs36200 split core - ecs36200,

Ecs36200 split core - ecs36200,

$16.99
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Lot new cr - lot, 5×cr

Lot new cr - lot, 5×cr

$22.00
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Transformers power core - transformers,

Transformers power core - transformers,

$34.99
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Enphase split core current - core,

Enphase split core current - core,

$15.96
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Hasbro transformers studio - hasbro,

Hasbro transformers studio - hasbro,

$10.00
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Transformers power core - transformers,

Transformers power core - transformers,

$31.99
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Transformers kingdom megatron - kingdom,

Transformers kingdom megatron - kingdom,

$15.00
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Hasbro transformers - hasbro,

Hasbro transformers - hasbro,

$16.21
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Transformers power core - power,

Transformers power core - power,

$49.99
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Transformers power core - transformers,

Transformers power core - transformers,

$16.95
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New hasbro transformers the - hasbro,

New hasbro transformers the - hasbro,

$49.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$19.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$17.99
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Quintesson pit judgement - quintesson,

Quintesson pit judgement - quintesson,

$324.99
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Transformers legacy evolution - legacy,

Transformers legacy evolution - legacy,

$18.99
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Transformers power core - transformers,

Transformers power core - transformers,

$29.99
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Transformers toys legacy - toys,

Transformers toys legacy - toys,

$24.99
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Transformers studio series - studio,

Transformers studio series - studio,

$34.99
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Transformers legacy core - transformers,

Transformers legacy core - transformers,

$9.99
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Transformers generations - transformers,

Transformers generations - transformers,

$30.79
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2435 falco u40002 split core - u40002,

2435 falco u40002 split core - u40002,

$29.99
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Transformers studio series - studio,

Transformers studio series - studio,

$34.99
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Dna design upgrade kit - dk-47,

Dna design upgrade kit - dk-47,

$55.99
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Transformers legacy core - transformers,

Transformers legacy core - transformers,

$19.27
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Transformers bumblebee movie - transformers,

Transformers bumblebee movie - transformers,

$19.99
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Transformers studio series - series, 86

Transformers studio series - series, 86

$49.99
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Transformers bomb burst - transformers, bomb-burst

Transformers bomb burst - transformers, bomb-burst

$16.97
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Hasbro transformers war - war, for

Hasbro transformers war - war, for

$17.99
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New yuanxing ctsa035 - new,

New yuanxing ctsa035 - new,

$39.99
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Transformers studio series - transformers,

Transformers studio series - transformers,

$74.50
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Transformers skyburst power - transformers,

Transformers skyburst power - transformers,

$17.97
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Transformers power core - power,

Transformers power core - power,

$99.99
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Transformers buzzworthy - transformers,

Transformers buzzworthy - transformers,

$13.00
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Transformers missile carrier - transformers,

Transformers missile carrier - transformers,

$13.97
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Transformers legacy optimus - transformers,

Transformers legacy optimus - transformers,

$14.99
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Triad magnetics 254x - magnetics, f-254x

Triad magnetics 254x - magnetics, f-254x

$25.99
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Transformers power core - transformers,

Transformers power core - transformers,

$39.99
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Transformers studio series - transformers, 86

Transformers studio series - transformers, 86

$34.98
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Transformers war for cybertron - transformers,

Transformers war for cybertron - transformers,

$19.99
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Transformers decepticon core - transformers,

Transformers decepticon core - transformers,

$35.00
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Transformers kingdom bumblebee - transformers,

Transformers kingdom bumblebee - transformers,

$19.99
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Continental control systems - continental,

Continental control systems - continental,

$23.00
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Transfomers movie hasbro - transfomers,

Transfomers movie hasbro - transfomers,

$29.99
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Hasbro transformers wfc - hasbro,

Hasbro transformers wfc - hasbro,

$26.99
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Transformers power core - transformers,

Transformers power core - transformers,

$39.99
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Transformers toys legacy - transformers,

Transformers toys legacy - transformers,

$21.99
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Flex core current transformer - core,

Flex core current transformer - core,

$39.95
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Ohio semitronics cti 300 - ohio, cti-300

Ohio semitronics cti 300 - ohio, cti-300

$45.00
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Talema 70041k transformer - transformer, 10va

Talema 70041k transformer - transformer, 10va

$39.99
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📊96 listings · from $5.16 · avg $47.16

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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Everything you need to know about transformer core

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.

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