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Transformer core

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Split core current - ac,

Split core current - ac,

$24.06
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Hammond control transformer

Hammond control transformer

$79.99
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Core and coil transformer - and,

Core and coil transformer - and,

$450.00
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General electric core - electric, and

General electric core - electric, and

$230.00
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Shelly 50a split core - shelly,

Shelly 50a split core - shelly,

$18.95
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Enphase split core current - enphase,

Enphase split core current - enphase,

$15.96
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Shelly 50a split core - ct,

Shelly 50a split core - ct,

$19.99
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Transformer audiophile 30w - audiophile,

Transformer audiophile 30w - audiophile,

$28.05
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Hasbro transformers studio - hasbro,

Hasbro transformers studio - hasbro,

$49.99
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New transformer core mag inc - new,

New transformer core mag inc - new,

$90.00
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Hasbro transformers studio - transformers,

Hasbro transformers studio - transformers,

$89.99
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Transformers power core - transformers,

Transformers power core - transformers,

$34.99
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Flex core current transformer - flex,

Flex core current transformer - flex,

$39.95
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Core and coil transformer - core,

Core and coil transformer - core,

$150.00
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Eaton 400 333mv split - eaton,

Eaton 400 333mv split - eaton,

$280.00
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Core and coil transformer - ge,

Core and coil transformer - ge,

$90.00
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3500v core and coil - 3500v, neon

3500v core and coil - 3500v, neon

$39.95
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Transformers steeljaw studio - transformers,

Transformers steeljaw studio - transformers,

$24.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$18.99
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Transformers united - transformers,

Transformers united - transformers,

$130.00
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Schneider lvct00302s - schneider,

Schneider lvct00302s - schneider,

$124.50
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Egauge ecs20 100 - egauge, core

Egauge ecs20 100 - egauge, core

$45.00
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Hasbro transformers kingdom - transformers,

Hasbro transformers kingdom - transformers,

$17.99
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AccuEnergy

AccuEnergy

$31.49
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Large laminated transformer - large,

Large laminated transformer - large,

$49.95
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Lectroetch power - -,

Lectroetch power - -,

$38.98
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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 core class - 4,

Transformers core class - 4,

$23.00
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Core and coil - core, transformer

Core and coil - core, transformer

$150.00
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TrendPoint

TrendPoint

$99.97
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Core and coil - core,

Core and coil - core,

$90.00
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Mon 200a split core current - e-mon, split-core

Mon 200a split core current - e-mon, split-core

$67.99
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Set mag metal transformer - , 1

Set mag metal transformer - , 1

$460.00
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Sets ei33 6pin power - 6+6pin,

Sets ei33 6pin power - 6+6pin,

$25.06
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Core components - core,

Core components - core,

$35.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$19.99
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Transformers studio series - studio,

Transformers studio series - studio,

$20.00
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Veris h6811 400a 3vr20 - 🔴veris, h6811-400a-.3vr20

Veris h6811 400a 3vr20 - 🔴veris, h6811-400a-.3vr20

$127.60
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Ultra large power transformer - large,

Ultra large power transformer - large,

$79.99
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Lot flex core - 3,

Lot flex core - 3,

$150.00
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Tigo rss current - rss, sense

Tigo rss current - rss, sense

$14.50
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Hasbro transformers power core - hasbro,

Hasbro transformers power core - hasbro,

$24.99
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Split core current transformer - current,

Split core current transformer - current,

$49.99
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New transformer cores - transformer,

New transformer cores - transformer,

$600.00
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Transformers toys legacy - transformers,

Transformers toys legacy - transformers,

$21.99
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Veris hawkeye h921 split core - veris,

Veris hawkeye h921 split core - veris,

$35.00
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Transformers power core - power,

Transformers power core - power,

$50.00
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Lot new cr magnetics - new, 5×cr

Lot new cr magnetics - new, 5×cr

$22.00
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Transformers power core - transformers,

Transformers power core - transformers,

$59.99
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Applicable 6l 6c - 6p,,

Applicable 6l 6c - 6p,,

$330.00
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Hasbro transformers legacy - transformers,

Hasbro transformers legacy - transformers,

$15.00
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New transformer cores - new,

New transformer cores - new,

$35.00
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Transformers power core - power,

Transformers power core - power,

$44.99
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100a sct013 non invasive - 100a, ac

100a sct013 non invasive - 100a, ac

$12.23
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Transformers legacy evolution - legacy,

Transformers legacy evolution - legacy,

$45.99
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Transformers power core - power,

Transformers power core - power,

$44.49
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Transformers legacy united - legacy,

Transformers legacy united - legacy,

$114.99
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Core components le12100 - core,

Core components le12100 - core,

$24.99
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Pack toroid ferrite - toroid,

Pack toroid ferrite - toroid,

$19.85
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3-Accuenergy

3-Accuenergy

$182.00
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50w core transformer tube - 50w,

50w core transformer tube - 50w,

$34.99
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The british tube - the,

The british tube - the,

$100.00
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Random assortment transformers - random,

Random assortment transformers - random,

$44.93
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Hasbro transformers studio - transformers,

Hasbro transformers studio - transformers,

$29.99
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Transformers studio series - studio,

Transformers studio series - studio,

$89.99
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Flex core current - flex-core, transformer

Flex core current - flex-core, transformer

$300.00
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$17.99
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New yuanxing ctsa016 - new,

New yuanxing ctsa016 - new,

$39.99
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Transformers studio series - studio, 86

Transformers studio series - studio, 86

$85.00
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Hasbro transformers legacy - transformers,

Hasbro transformers legacy - transformers,

$16.49
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Hasbro transformers legacy - hasbro,

Hasbro transformers legacy - hasbro,

$16.49
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Ctsa 024 100 250a - ctsa-024, split

Ctsa 024 100 250a - ctsa-024, split

$36.95
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Transformers power core - -,

Transformers power core - -,

$49.49
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Transformers power core - power,

Transformers power core - power,

$49.99
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Transformers power core - -,

Transformers power core - -,

$99.99
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Quintesson pit judgement - pit, of

Quintesson pit judgement - pit, of

$324.99
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Solaredge split core current - solaredge, split-core

Solaredge split core current - solaredge, split-core

$50.00
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Accu actl 1250 150 150a - actl-1250-150,,

Accu actl 1250 150 150a - actl-1250-150,,

$99.89
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Matched pair yuanxing split - matched,

Matched pair yuanxing split - matched,

$34.95
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Transformers studio series - studio, 86

Transformers studio series - studio, 86

$37.99
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Transformers power core - power,

Transformers power core - power,

$15.00
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Transformers power core - -,

Transformers power core - -,

$54.99
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Transformers legacy evolution - transformers,

Transformers legacy evolution - transformers,

$98.26
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Hasbro transformers power core - hasbro,

Hasbro transformers power core - hasbro,

$16.49
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Bumblebee laserbeak core - bumblebee,

Bumblebee laserbeak core - bumblebee,

$28.90
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Hasbro transformers power core - hasbro,

Hasbro transformers power core - hasbro,

$29.99
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Transformers legacy united - legacy,

Transformers legacy united - legacy,

$14.99
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Transformers united - united, ex

Transformers united - united, ex

$89.99
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Transformers studio core - transformers,

Transformers studio core - transformers,

$44.79
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Pulse engineering 043 - engineering, 043-0630.001

Pulse engineering 043 - engineering, 043-0630.001

$9.99
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Dna design upgrade - design,

Dna design upgrade - design,

$55.99
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Transformers power core - -,

Transformers power core - -,

$119.99
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Transformers legacy - transformers,

Transformers legacy - transformers,

$24.99
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Transformers core seekers - transformers,

Transformers core seekers - transformers,

$29.00
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Electromagnetic

Electromagnetic

$275.00
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Core and coil transformer - ge,

Core and coil transformer - ge,

$90.00
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📊96 listings · from $9.99 · avg $83.01

Browse 96 transformer core listings currently in our index. Prices range from $9.99 to $600, with an average of $83.01. 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 $9.99, while premium listings can reach $600 — giving you a wide budget spread to work with. The average price of $83.01 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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