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Transformer core

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Enphase split core - enphase,

Enphase split core - enphase,

$15.96
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Current sensor transformer - ac,

Current sensor transformer - ac,

$31.99
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Ft240 toroidal core - ft240-31, ring

Ft240 toroidal core - ft240-31, ring

$15.78
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Flex core 19rl - flex-core, ct

Flex core 19rl - flex-core, ct

$85.00
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Emphase cts clamp style - cts, clamp-style

Emphase cts clamp style - cts, clamp-style

$25.00
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Transformers power core - power,

Transformers power core - power,

$39.99
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Vintage electronic transformer - vintage,

Vintage electronic transformer - vintage,

$23.16
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$15.29
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New yuanxing ctsa024 - new,

New yuanxing ctsa024 - new,

$39.99
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Lot continental - 2,

Lot continental - 2,

$35.00
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Giga bots energy - bots,

Giga bots energy - bots,

$14.99
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Transformers razorbeam - transformers,

Transformers razorbeam - transformers,

$17.97
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Flex core current transformer - flex,

Flex core current transformer - flex,

$30.00
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Hammond control transformer

Hammond control transformer

$79.99
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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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TrendPoint

TrendPoint

$99.97
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3500v core and coil - coil, beer

3500v core and coil - coil, beer

$39.95
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New yuanxing ctsa016 - yuanxing,

New yuanxing ctsa016 - yuanxing,

$39.99
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New transformer cores - new,

New transformer cores - new,

$35.00
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Shelly 50a split core - ct,

Shelly 50a split core - ct,

$18.95
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5000v core and coil - and, beer

5000v core and coil - and, beer

$47.95
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Split core current - ac,

Split core current - ac,

$26.55
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A1007 transformers power core - power,

A1007 transformers power core - power,

$15.29
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Nib transformers kingdom war - *nib*,

Nib transformers kingdom war - *nib*,

$19.99
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Transformers power core - transformers,

Transformers power core - transformers,

$14.99
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Transformers legacy evolution - legacy,

Transformers legacy evolution - legacy,

$108.99
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Transformers power core - power,

Transformers power core - power,

$34.99
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Transformers decepticon mohawk - decepticon,

Transformers decepticon mohawk - decepticon,

$24.97
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Bestrans 2000w step - bestrans, up

Bestrans 2000w step - bestrans, up

$77.89
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4sets ee42 transformer core - 4sets,

4sets ee42 transformer core - 4sets,

$37.99
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3000w step transformer - 3000w,

3000w step transformer - 3000w,

$59.99
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New for ee110 ferrite - new, cores

New for ee110 ferrite - new, cores

$67.20
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Heart cybertron power core - of,

Heart cybertron power core - of,

$14.99
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Transformers power core - power,

Transformers power core - power,

$49.99
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Japan exclusive transformers - japan,

Japan exclusive transformers - japan,

$60.00
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Flex core 615 - 615-101, low

Flex core 615 - 615-101, low

$50.00
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Set mag metal transformer c - metal,

Set mag metal transformer c - metal,

$450.00
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Hasbro transformers legacy - transformers,

Hasbro transformers legacy - transformers,

$89.99
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1pcs new for ee110 ferrite - 1pcs,

1pcs new for ee110 ferrite - 1pcs,

$120.80
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Core and coil - core,

Core and coil - core,

$150.00
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Transformers toys legacy - toys,

Transformers toys legacy - toys,

$24.99
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Transformers legacy core - legacy,

Transformers legacy core - legacy,

$14.00
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Shelly 50a split - 50a, split-core

Shelly 50a split - 50a, split-core

$19.99
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High voltage transformer - high,

High voltage transformer - high,

$63.98
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Transformer audiophile 30w - transformer,

Transformer audiophile 30w - transformer,

$25.24
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Transformers steeljaw studio - steeljaw,

Transformers steeljaw studio - steeljaw,

$24.99
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Transformers legacy core - transformers,

Transformers legacy core - transformers,

$8.99
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Transformers double clutch - double,

Transformers double clutch - double,

$22.97
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Transformers pinpoint complete - transformers,

Transformers pinpoint complete - transformers,

$17.97
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Transformers toys legacy - toys,

Transformers toys legacy - toys,

$19.99
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Transformers energon galvatron - transformers,

Transformers energon galvatron - transformers,

$23.90
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Hasbro transformers autobot - hasbro,

Hasbro transformers autobot - hasbro,

$19.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$19.99
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Flex core current transformer - flex,

Flex core current transformer - flex,

$39.95
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Random assortment transformers - random,

Random assortment transformers - random,

$44.93
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Transformers power core - transformers,

Transformers power core - transformers,

$30.00
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$34.99
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Matched pair yuanxing - matched,

Matched pair yuanxing - matched,

$10.49
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Transformers 3rd party - transformers,

Transformers 3rd party - transformers,

$205.00
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Transformers power core - transformers,

Transformers power core - transformers,

$44.99
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Lot new cr magnetics - lot,

Lot new cr magnetics - lot,

$22.00
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Transformers power core - power,

Transformers power core - power,

$39.99
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Triad - **(set,

Triad - **(set,

$40.15
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Flex core current transformer - flex-core,

Flex core current transformer - flex-core,

$90.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$14.99
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New transformer core - new, inc

New transformer core - new, inc

$80.00
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Cec red adjustable - 4,

Cec red adjustable - 4,

$14.95
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Transformers studio series - transformers, 86

Transformers studio series - transformers, 86

$45.00
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Hasbro transformers power core - transformers,

Hasbro transformers power core - transformers,

$24.99
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Transformers core class lot - , of

Transformers core class lot - , of

$28.90
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Roller for earthrise core - roller,

Roller for earthrise core - roller,

$14.99
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$45.00
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Transformers 2010 lot 10 - lot, of

Transformers 2010 lot 10 - lot, of

$57.75
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Transformers studio series - studio,

Transformers studio series - studio,

$14.99
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Split core current - current, transformer

Split core current - current, transformer

$19.99
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Transformers studio series - studio,

Transformers studio series - studio,

$19.99
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Transformers studio series - transformers,

Transformers studio series - transformers,

$35.00
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Transformers legacy united - legacy,

Transformers legacy united - legacy,

$114.99
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Eaton current transformer - current,

Eaton current transformer - current,

$100.00
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Transformers laserbeak - transformers,

Transformers laserbeak - transformers,

$15.97
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Transformers power core - transformers,

Transformers power core - transformers,

$29.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$21.99
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Transformers optimus prime - transformers,

Transformers optimus prime - transformers,

$37.99
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Transformers groundspike - transformers,

Transformers groundspike - transformers,

$19.97
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Core components - core,

Core components - core,

$35.00
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Transformers infernac universe - transformers,

Transformers infernac universe - transformers,

$14.97
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Transformers power core - transformers,

Transformers power core - transformers,

$24.99
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Transformers studio series - transformers,

Transformers studio series - transformers,

$49.99
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Transformers skyburst power - skyburst,

Transformers skyburst power - skyburst,

$17.97
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Transformers power core - transformers,

Transformers power core - transformers,

$15.00
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Transformers legacy united - transformers,

Transformers legacy united - transformers,

$12.99
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Hasbro transformers legacy - hasbro,

Hasbro transformers legacy - hasbro,

$17.59
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Transformers legacy evolution - legacy,

Transformers legacy evolution - legacy,

$20.99
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Transformers power core - transformers,

Transformers power core - transformers,

$54.99
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Uy30 transformer line power - uy30,

Uy30 transformer line power - uy30,

$91.99
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100w core transformer - 100w, r-core

100w core transformer - 100w, r-core

$116.00
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📊96 listings · from $8.99 · avg $46.46

Browse 96 transformer core listings currently in our index. Prices range from $8.99 to $450, with an average of $46.46. 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 $8.99, while premium listings can reach $450 — giving you a wide budget spread to work with. The average price of $46.46 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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