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Transformer core

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Shelly 50a split core - ct, split-core

Shelly 50a split core - ct, split-core

$18.95
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Core components - core,

Core components - core,

$35.00
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Hammond control transformer

Hammond control transformer

$79.99
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Electromagnetic

Electromagnetic

$275.00
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Split core current - core,

Split core current - core,

$24.06
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3-Accuenergy

3-Accuenergy

$182.30
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Core class dinobots - core,

Core class dinobots - core,

$75.00
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Shelly 50a split core - 50a, split-core

Shelly 50a split core - 50a, split-core

$19.99
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Enphase split core current - core,

Enphase split core current - core,

$15.96
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Transformer audiophile 30w - transformer,

Transformer audiophile 30w - transformer,

$25.24
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Flex core current - flex-core, transformer

Flex core current - flex-core, transformer

$300.00
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The british tube push pull - tube,

The british tube push pull - tube,

$100.00
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Transformers power core - transformers,

Transformers power core - transformers,

$34.99
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Veris pds ctsc - pds-ctsc-021, split

Veris pds ctsc - pds-ctsc-021, split

$196.99
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Accu actl 1250 - accu-ct, 150a

Accu actl 1250 - accu-ct, 150a

$99.89
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Ultra large power - ultra,

Ultra large power - ultra,

$79.99
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Hasbro transformers legacy - transformers,

Hasbro transformers legacy - transformers,

$15.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$26.99
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Random assortment transformers - random,

Random assortment transformers - random,

$44.93
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Transformers power core - -,

Transformers power core - -,

$54.99
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Flex core current transformer - core,

Flex core current transformer - core,

$39.95
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3500v core and coil neon - 3500v, beer

3500v core and coil neon - 3500v, beer

$39.95
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New transformer cores - transformer,

New transformer cores - transformer,

$600.00
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Large laminated transformer - laminated,

Large laminated transformer - laminated,

$49.95
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Transformers studio series - transformers,

Transformers studio series - transformers,

$15.00
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Transformers power core - transformers,

Transformers power core - transformers,

$44.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$19.99
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Split core current - split-core, transformer

Split core current - split-core, transformer

$49.99
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Flex core 19rl - flex-core, ct

Flex core 19rl - flex-core, ct

$85.00
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Vishay - (100),

Vishay - (100),

$225.00
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Schneider electric - schneider,

Schneider electric - schneider,

$59.99
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Accuenergy acuct 3147 - accuenergy, acuct-3147-1000:5

Accuenergy acuct 3147 - accuenergy, acuct-3147-1000:5

$94.38
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Transformers power core - transformers,

Transformers power core - transformers,

$99.99
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Lectroetch power - lectroetch,

Lectroetch power - lectroetch,

$38.98
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Set mag metal transformer - ,

Set mag metal transformer - ,

$460.00
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New transformer stduio - new, cell

New transformer stduio - new, cell

$580.00
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Transformers shockwave - transformers,

Transformers shockwave - transformers,

$15.97
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Transformers core class - core,

Transformers core class - core,

$25.00
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Flex core 500 - flex-core, current

Flex core 500 - flex-core, current

$114.75
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Core and coil transformer - ge,

Core and coil transformer - ge,

$450.00
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50w core transformer tube - 50w, r-core

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

$34.99
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Hasbro transformers power core - hasbro,

Hasbro transformers power core - hasbro,

$24.99
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Sets ei33 6pin power - 6,

Sets ei33 6pin power - 6,

$25.07
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Transformers power core - -,

Transformers power core - -,

$49.99
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Flex core current transformer - flex-core,

Flex core current transformer - flex-core,

$300.00
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$114.99
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Transformers kingdom soundwave - transformers,

Transformers kingdom soundwave - transformers,

$19.99
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Transformers toys legacy - toys,

Transformers toys legacy - toys,

$21.99
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Transformer audiophile 30w - audiophile,

Transformer audiophile 30w - audiophile,

$37.12
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Accuenergy acusplitct split - accuenergy,

Accuenergy acusplitct split - accuenergy,

$23.49
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New transformer core mag - new,

New transformer core mag - new,

$90.00
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Transformers legacy - transformers,

Transformers legacy - transformers,

$24.99
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Transformers optimus prime - optimus,

Transformers optimus prime - optimus,

$5.00
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Heavy duty power transformer - heavy,

Heavy duty power transformer - heavy,

$27.67
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Transformers power core - transformers,

Transformers power core - transformers,

$119.99
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Hasbro transformers kingdom - hasbro,

Hasbro transformers kingdom - hasbro,

$17.99
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Flex core current transformer - current,

Flex core current transformer - current,

$450.00
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Mastermind creations mmc - mastermind,

Mastermind creations mmc - mastermind,

$135.00
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Hasbro transformers core - transformers, class

Hasbro transformers core - transformers, class

$49.99
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Solaredge split core current - solaredge,

Solaredge split core current - solaredge,

$50.00
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AccuEnergy

AccuEnergy

$34.99
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Transformers sdcc optimus - sdcc,

Transformers sdcc optimus - sdcc,

$49.99
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Transformers legacy evolution - legacy,

Transformers legacy evolution - legacy,

$175.00
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New yuanxing ctsa016 - new,

New yuanxing ctsa016 - new,

$39.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$45.99
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Matched pair yuanxing split - pair,

Matched pair yuanxing split - pair,

$34.95
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$17.99
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Transformers toys legacy - transformers,

Transformers toys legacy - transformers,

$24.99
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Transformers power core - transformers,

Transformers power core - transformers,

$44.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$109.99
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Transformers legacy core - transformers,

Transformers legacy core - transformers,

$69.99
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Hasbro transformers legacy - transformers,

Hasbro transformers legacy - transformers,

$20.00
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Listed 100a split - -listed,

Listed 100a split - -listed,

$27.19
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Heart cybertron power - heart, core

Heart cybertron power - heart, core

$14.99
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New transformer cores - new,

New transformer cores - new,

$35.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$16.99
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Flex core 190xsum - 190xsum-2, flex-core

Flex core 190xsum - 190xsum-2, flex-core

$339.83
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5000v core and - coil, beer

5000v core and - coil, beer

$47.95
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Flex core current - current, transformer

Flex core current - current, transformer

$100.00
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100a sct013 non invasive - non-invasive, ac

100a sct013 non invasive - non-invasive, ac

$12.23
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Transformers studio series - transformers,

Transformers studio series - transformers,

$59.99
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Transformers power core - transformers,

Transformers power core - transformers,

$50.00
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Transformers infernac universe - infernac,

Transformers infernac universe - infernac,

$16.97
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Hasbro transformers power core - transformers,

Hasbro transformers power core - transformers,

$34.99
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1pair uy42 ultra large - ultra,

1pair uy42 ultra large - ultra,

$95.99
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Hasbro transformers legacy - hasbro,

Hasbro transformers legacy - hasbro,

$12.00
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New transformer cores - new,

New transformer cores - new,

$650.00
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Transformers power core - transformers,

Transformers power core - transformers,

$19.00
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Transformers power core - power,

Transformers power core - power,

$38.71
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Transformers hot rod - transformers,

Transformers hot rod - transformers,

$14.99
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1pair uy30 4636nh ultra - al,

1pair uy30 4636nh ultra - al,

$57.95
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Transformers kingdom core - transformers,

Transformers kingdom core - transformers,

$11.99
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Transformers power core - -,

Transformers power core - -,

$36.99
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Quintesson pit judgement - quintesson,

Quintesson pit judgement - quintesson,

$324.99
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Accuenergy acuct 2031 1000 - accuenergy, acuct-2031-1000:5

Accuenergy acuct 2031 1000 - accuenergy, acuct-2031-1000:5

$79.99
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100w core transformer - r-core,

100w core transformer - r-core,

$116.00
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📊96 listings · from $5 · avg $97.09

Browse 96 transformer core listings currently in our index. Prices range from $5 to $650, with an average of $97.09. 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, while premium listings can reach $650 — giving you a wide budget spread to work with. The average price of $97.09 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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