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Transformer core

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Enphase split core current - enphase,

Enphase split core current - enphase,

$15.96
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Hammond control transformer

Hammond control transformer

$79.99
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1ea 80x50x20mm toroidal - 80x50x20mm,

1ea 80x50x20mm toroidal - 80x50x20mm,

$24.99
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Bestrans 2000w step - bestrans,

Bestrans 2000w step - bestrans,

$77.89
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New yuanxing ctsa016 - new,

New yuanxing ctsa016 - new,

$39.99
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Transformers legacy united - legacy,

Transformers legacy united - legacy,

$12.99
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Hasbro transformers studio - hasbro,

Hasbro transformers studio - hasbro,

$79.99
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Shelly 50a split - ct,

Shelly 50a split - ct,

$18.95
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Transformers the last knight - last,

Transformers the last knight - last,

$19.99
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New yuanxing ctsa024 - yuanxing,

New yuanxing ctsa024 - yuanxing,

$39.99
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Transformers combiner wars - transformers,

Transformers combiner wars - transformers,

$26.00
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Transformers power core - transformers,

Transformers power core - transformers,

$34.99
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Split core current - split,

Split core current - split,

$26.55
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Accuenergy acuct 3147 1000 - accuenergy, acuct-3147-1000:5

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

$94.38
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R80 100w core - r,

R80 100w core - r,

$147.09
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Core and coil transformer - ge,

Core and coil transformer - ge,

$450.00
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Transformers legacy core class - transformers,

Transformers legacy core class - transformers,

$65.00
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Split core 200a 500a - split,

Split core 200a 500a - split,

$42.45
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Transformers core class - transformers,

Transformers core class - transformers,

$15.00
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Accuenergy acuct 0812 100 - accuenergy, acuct-0812-100:5

Accuenergy acuct 0812 100 - accuenergy, acuct-0812-100:5

$50.09
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3500v core and coil neon - 3500v,

3500v core and coil neon - 3500v,

$39.95
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Transformers power core - transformers,

Transformers power core - transformers,

$10.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$19.98
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Cec red adjustable - cec,

Cec red adjustable - cec,

$14.95
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Transformers power core - power,

Transformers power core - power,

$39.99
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Continental split core - continental,

Continental split core - continental,

$29.99
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Transformer audiophile 30w - transformer,

Transformer audiophile 30w - transformer,

$28.15
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Lot new cr magnetics - of,

Lot new cr magnetics - of,

$22.00
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3pcs split core - 3pcs,

3pcs split core - 3pcs,

$72.14
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Core and coil transformer - core,

Core and coil transformer - core,

$90.00
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General electric core and - ,

General electric core and - ,

$230.00
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Ultra large power transformer - power,

Ultra large power transformer - power,

$79.99
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Set mag metal transformer c - metal,

Set mag metal transformer c - metal,

$450.00
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Hasbro transformers power core - power,

Hasbro transformers power core - power,

$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,

$108.99
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Isb sola basic 150w s55 - isb,

Isb sola basic 150w s55 - isb,

$19.99
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Transformers optimus prime - transformers,

Transformers optimus prime - transformers,

$13.99
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Flex core 19rl 252 current - flex-core, 19rl-252

Flex core 19rl 252 current - flex-core, 19rl-252

$85.00
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Core and coil transformer - core,

Core and coil transformer - core,

$150.00
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Transformers power core - transformers,

Transformers power core - transformers,

$54.49
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Heart cybertron power core - cybertron,

Heart cybertron power core - cybertron,

$14.99
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Transformers power core - power,

Transformers power core - power,

$38.25
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Transformers legacy core - transformers,

Transformers legacy core - transformers,

$15.99
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New transformer cores - new,

New transformer cores - new,

$35.00
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Lot constructicon tonkanator - lot,

Lot constructicon tonkanator - lot,

$23.96
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Flex core current - flex,

Flex core current - flex,

$39.95
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Core components le12100 - components,

Core components le12100 - components,

$24.99
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Transformers power core - power,

Transformers power core - power,

$36.12
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High voltage transformer - high,

High voltage transformer - high,

$63.98
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Schneider electric - schneider,

Schneider electric - schneider,

$499.00
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Transformers core class - lot, of

Transformers core class - lot, of

$28.90
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Transformers power core - power,

Transformers power core - power,

$15.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$14.99
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Flex core model - number, fcl

Flex core model - number, fcl

$95.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$18.99
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Transformers kingdom wfc core - kingdom,

Transformers kingdom wfc core - kingdom,

$55.90
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Transformers core class - -,

Transformers core class - -,

$23.00
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Core components - core,

Core components - core,

$35.00
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Accu actl 1250 150 - accu-ct, actl-1250-150,

Accu actl 1250 150 - accu-ct, actl-1250-150,

$99.89
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Egauge ecs20 100 - egauge, ecs20-100

Egauge ecs20 100 - egauge, ecs20-100

$45.00
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Transformers decepticon mohawk - decepticon,

Transformers decepticon mohawk - decepticon,

$24.97
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Transformers power core - transformers,

Transformers power core - transformers,

$24.99
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Electromagnetic

Electromagnetic

$200.00
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Hasbro transformers legacy - hasbro,

Hasbro transformers legacy - hasbro,

$13.99
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Japan exclusive transformers - exclusive,

Japan exclusive transformers - exclusive,

$60.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$9.99
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New transformer core mag inc - new,

New transformer core mag inc - new,

$90.00
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New flex core fcl 4000 - fcl, 4000/5-r

New flex core fcl 4000 - fcl, 4000/5-r

$449.95
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$45.00
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Pack ferrite toroid cores - ferrite,

Pack ferrite toroid cores - ferrite,

$16.12
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$15.29
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Transformers power core - power,

Transformers power core - power,

$44.99
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Flex core 189 005 primary - flex-core,

Flex core 189 005 primary - flex-core,

$49.99
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Transformers the movie - transformers, studio

Transformers the movie - transformers, studio

$13.99
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$114.99
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Gray ferrite toroid - gray,

Gray ferrite toroid - gray,

$105.19
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Ctsa 024 100 - ctsa-024, split

Ctsa 024 100 - ctsa-024, split

$25.87
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Bumblebee laserbeak core - &,

Bumblebee laserbeak core - &,

$28.90
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5943002721 transformer core - 5943002721,

5943002721 transformer core - 5943002721,

$11.49
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5000v core and - coil, neon

5000v core and - coil, neon

$47.95
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Yhdc sct013 100a 50ma split - sct013,

Yhdc sct013 100a 50ma split - sct013,

$6.00
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Toroid current - toroid,

Toroid current - toroid,

$5.50
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Transformers power core - power,

Transformers power core - power,

$39.99
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Transformers energon galvatron - transformers,

Transformers energon galvatron - transformers,

$23.90
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$17.99
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$24.99
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Magnetic core selection for - selection,

Magnetic core selection for - selection,

$65.00
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Transformers studio series - studio,

Transformers studio series - studio,

$12.99
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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,

$14.99
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Transformers power core - transformers,

Transformers power core - transformers,

$99.99
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Veris h6811 400a - h6811-400a-5a, power

Veris h6811 400a - h6811-400a-5a, power

$100.00
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Transformers optimus prime - transformers,

Transformers optimus prime - transformers,

$37.99
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Core and coil transformer - core,

Core and coil transformer - core,

$90.00
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Eaton 400 333mv - eaton, cs-sp-4-400-333mv

Eaton 400 333mv - eaton, cs-sp-4-400-333mv

$280.00
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📊96 listings · from $5.5 · avg $67.17

Browse 96 transformer core listings currently in our index. Prices range from $5.5 to $499, with an average of $67.17. 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 $499 — giving you a wide budget spread to work with. The average price of $67.17 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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