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Transformer core

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Flex core current transformer - flex-core,

Flex core current transformer - flex-core,

$450.00
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Hammond control transformer

Hammond control transformer

$79.99
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The british tube push pull - the, push-pull

The british tube push pull - the, push-pull

$100.00
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General electric core and - general,

General electric core and - general,

$230.00
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Flex core current transformer - current,

Flex core current transformer - current,

$300.00
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Flex core current transformer - flex-core,

Flex core current transformer - flex-core,

$300.00
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Solaredge split core current - solaredge,

Solaredge split core current - solaredge,

$50.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$108.99
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New transformer cores - new,

New transformer cores - new,

$600.00
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Enphase split core - enphase,

Enphase split core - enphase,

$15.96
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General tran 9ws 5 - general, fm-9ws-2.5

General tran 9ws 5 - general, fm-9ws-2.5

$849.95
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Transformers power core - power,

Transformers power core - power,

$34.99
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Hasbro transformers power - hasbro, transformers:

Hasbro transformers power - hasbro, transformers:

$35.00
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Core and coil transformer - ge,

Core and coil transformer - ge,

$450.00
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Core and coil transformer - and,

Core and coil transformer - and,

$150.00
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Core and coil - and, transformer

Core and coil - and, transformer

$90.00
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Mastermind creations mmc - mastermind,

Mastermind creations mmc - mastermind,

$135.00
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Transformers power core - transformers,

Transformers power core - transformers,

$44.99
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Transformer audiophile 30w - audiophile,

Transformer audiophile 30w - audiophile,

$25.24
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Fansproject warbot wb002 steel - wb002,

Fansproject warbot wb002 steel - wb002,

$135.00
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Large laminated transformer - large,

Large laminated transformer - large,

$49.95
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Core components - core,

Core components - core,

$35.00
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New transformer core mag inc - transformer,

New transformer core mag inc - transformer,

$95.00
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AccuEnergy

AccuEnergy

$34.99
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Split core current - ac,

Split core current - ac,

$9.32
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Listed 100a split core - -listed,

Listed 100a split core - -listed,

$27.18
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Shelly 50a split core - ct, split-core

Shelly 50a split core - ct, split-core

$18.95
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Accuenergy acusplitct split - accuenergy,

Accuenergy acusplitct split - accuenergy,

$23.49
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Vintage core 110v - r-core,

Vintage core 110v - r-core,

$50.00
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Core and coil transformer - core,

Core and coil transformer - core,

$90.00
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TrendPoint

TrendPoint

$99.40
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Eaton current transformer - transformer,

Eaton current transformer - transformer,

$399.00
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Accu actl 0750 - , 250

Accu actl 0750 - , 250

$45.00
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Lectroetch power - -,

Lectroetch power - -,

$38.98
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Set mag metal transformer - 1,

Set mag metal transformer - 1,

$460.00
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3-Accuenergy

3-Accuenergy

$182.30
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Transformers core class - 4,

Transformers core class - 4,

$35.00
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Flex core current transformer - flex-core,

Flex core current transformer - flex-core,

$99.99
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R80 100w core transformer - 100w,

R80 100w core transformer - 100w,

$147.09
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Core and coil transformer - ge,

Core and coil transformer - ge,

$90.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$19.99
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3500v core and coil neon - core,

3500v core and coil neon - core,

$39.95
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5000v core and coil - 5000v, beer

5000v core and coil - 5000v, beer

$47.95
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Leviton cda01 312 solid - leviton, cda01-312

Leviton cda01 312 solid - leviton, cda01-312

$75.00
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Split core current transformer - current,

Split core current transformer - current,

$49.99
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Transformers legacy united - legacy,

Transformers legacy united - legacy,

$114.99
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New transformer cores - new,

New transformer cores - new,

$35.00
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Flex core current transformer - flex,

Flex core current transformer - flex,

$39.95
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Hasbro transformers power core - power,

Hasbro transformers power core - power,

$24.99
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Vintage transco t1212 neon - transco,

Vintage transco t1212 neon - transco,

$174.87
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Transformers power core - -,

Transformers power core - -,

$49.99
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Pair tube pull - pair,

Pair tube pull - pair,

$110.00
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New yuanxing ctsa016 - new,

New yuanxing ctsa016 - new,

$39.99
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New transformer cores - new,

New transformer cores - new,

$650.00
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Transformers united - transformers,

Transformers united - transformers,

$130.00
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Heavy duty power - heavy,

Heavy duty power - heavy,

$27.67
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Hasbro transformers kingdom - hasbro,

Hasbro transformers kingdom - hasbro,

$17.99
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Pack toroid ferrite - 2,

Pack toroid ferrite - 2,

$19.85
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Hasbro transformers power core - hasbro,

Hasbro transformers power core - hasbro,

$65.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$20.99
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Transformers legacy iguanas - transformers,

Transformers legacy iguanas - transformers,

$14.99
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Transformers toys legacy - toys,

Transformers toys legacy - toys,

$24.99
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50w core transformer tube - r-core,

50w core transformer tube - r-core,

$34.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$109.99
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Schneider electric split core - schneider,

Schneider electric split core - schneider,

$86.00
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Transformers power core - transformers,

Transformers power core - transformers,

$44.99
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Tsm products japan finemet - products,

Tsm products japan finemet - products,

$599.95
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Tsm products japan finemet - japan,

Tsm products japan finemet - japan,

$599.95
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Transformers legacy evolution - legacy,

Transformers legacy evolution - legacy,

$95.00
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Hasbro transformers power core - hasbro,

Hasbro transformers power core - hasbro,

$59.00
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Transformers legacy core class - transformers,

Transformers legacy core class - transformers,

$69.99
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Sets ei33 6pin - sets, power

Sets ei33 6pin - sets, power

$25.07
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Transformers studio series - transformers,

Transformers studio series - transformers,

$94.39
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Hasbro transformers legacy - hasbro,

Hasbro transformers legacy - hasbro,

$87.78
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Transformers infernac universe - infernac,

Transformers infernac universe - infernac,

$14.95
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New yuanxing ctsa024 - new,

New yuanxing ctsa024 - new,

$39.99
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Hasbro transformers legacy - hasbro,

Hasbro transformers legacy - hasbro,

$15.00
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1pair uy42 ultra large - 1pair,

1pair uy42 ultra large - 1pair,

$97.99
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Hasbro transformers legacy - hasbro,

Hasbro transformers legacy - hasbro,

$10.00
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Transformers toys legacy - transformers,

Transformers toys legacy - transformers,

$24.99
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Toroid current - toroid,

Toroid current - toroid,

$5.50
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Solid core current transformer - current,

Solid core current transformer - current,

$35.00
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Quintesson pit judgement - of,

Quintesson pit judgement - of,

$324.99
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Core components le12100 - components,

Core components le12100 - components,

$24.99
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Lot new cr magnetics - of,

Lot new cr magnetics - of,

$22.00
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Transformers power core - transformers,

Transformers power core - transformers,

$24.99
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Srl 200 200a dent - 200a, large

Srl 200 200a dent - 200a, large

$50.00
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Transformers power core - transformers,

Transformers power core - transformers,

$19.00
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Transformers toys generations - toys,

Transformers toys generations - toys,

$14.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$17.99
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Gray ferrite toroid - gray,

Gray ferrite toroid - gray,

$105.19
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Transformers power core - transformers,

Transformers power core - transformers,

$39.99
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1pair uy30 4636nh - al, 4636nh/n2

1pair uy30 4636nh - al, 4636nh/n2

$61.95
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Transformers war for cybertron - transformers,

Transformers war for cybertron - transformers,

$19.99
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Ultra large power transformer - large,

Ultra large power transformer - large,

$79.99
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Core and coil transformer - core,

Core and coil transformer - core,

$90.00
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📊96 listings · from $5.5 · avg $115.17

Browse 96 transformer core listings currently in our index. Prices range from $5.5 to $849.95, with an average of $115.17. 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 $5.5, while premium listings can reach $849.95 — giving you a wide budget spread to work with. The average price of $115.17 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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