IRONCRESTINDUSTRIALINDUSTRIAL SURPLUS BUYERS
ELECTRICAL SELLER GUIDE

How Much Silver Is in a Circuit Breaker?

The honest answer depends entirely on the breaker's frame class. A house breaker and an industrial power breaker are different animals. Here's what trade sources report — qualified ranges, not promises.

PLATE No. 366 CONTACT SIZE COMPARISON — AT SCALE SCALE 1:12 SHEET 1 OF 1RESIDENTIALMCB 15–20AMOLDED-CASEMCCBPOWER / AIRLARGE FRAMERELATIVE CONTACT SIZE (TYPICAL)0255075100% Ag IN CONTACT ALLOYTRADE-REPORTED RANGESTYPICAL, NOT UNIVERSAL — VARIES BY MODELWHITE = SILVER-ALLOY CONTACTS · TRADE-SOURCE RANGESFIG. 1 — CONTACT SIZES BY BREAKER CLASS (TYPICAL) WE BUY
PLATE No. 366

The answer by breaker class.

Small residential branch breakers (15–30A): very little recoverable material. Experienced scrappers and refiner buyers consistently describe a small fraction of a gram to a few grams of contact material per unit. The contacts are a few millimeters across. These are generally not worth tearing down individually.

Molded-case breakers (MCCB) and insulated-case frames: substantially more contact material, scaling with frame size. Power/air breakers and large switchgear: contacts can reach dozens of grams per unit in the largest frames — and these are also the units most likely to have resale value intact.

Contactors and motor starters (150A and up): among the strongest sources in electrical gear. One trade buyer's teardown analysis describes contactors in NEMA sizes 3–6 as carrying very high silver content relative to the device, and estimates a residential panel yielding a few grams, a commercial panelboard more, and industrial switchgear far more. Treat those as one trade source's estimates, not certified assays.

Why the numbers vary so much.

Contact composition itself varies: trade buyers commonly describe electrical contacts in the range of roughly 20–40% silver content, with some formulations higher. And refiners pay on actual assayed silver weight at a percentage of value — contact weight is not silver weight, and silver weight is not cash. Anyone quoting you a flat per-breaker dollar figure without seeing the units is guessing.

That's also why you'll never see Ironcrest publish a per-breaker gram claim as our own: published numbers vary wildly, are often unsourced, and change with model and manufacturer. We work from what the unit actually is.

The labor math nobody posts.

Recovering contact silver means opening the case, extracting the tips, separating them from copper backings, and accumulating enough to interest a refiner — who then assays and pays a percentage. For a bucket of common residential breakers, the hours involved almost always exceed the recovery. That's not an opinion; it's the consistent conclusion of people who do this for a living.

The math flips for quantity and scale: contractors with drums of commercial breakers, demolition crews pulling panelboards, plants closing out MCC rooms. At volume, the aggregate matters — and that's exactly the kind of lot we buy.

What actually determines your breakers' value.

For most sellers, the metal is the smaller part of the value. An obsolete Zinsco, FPE Stab-Lok, or Pushmatic breaker — or a hard-to-find industrial frame — can be worth far more to the right buyer intact than its contacts could ever be as scrap. Scarcity beats chemistry.

So the right sequence is: identify what you have, value the whole unit, and only then consider any other path. That's what we do with every lot we're shown.

Sell it the straightforward way.

Photograph what you have — labels, nameplates, and overall quantity — and send it to Ironcrest for today’s offer. We buy electrical surplus nationally and coordinate pickup from your site.

Sell your breakers to Ironcrest →  |  Call or text 312-880-8174  |  Send photos →

Related reading: Do breakers have silver? →  |  Strip or sell whole? →  |  Contactors & motor starters →  |  Sell your breakers →

FREQUENTLY ASKED QUESTIONS

Questions, answered.

How many grams of silver are in a typical house breaker?

Trade sources consistently describe a small fraction of a gram to a few grams of contact material per residential breaker — and that material is a silver alloy, not pure silver. Exact figures vary by model, which is why we don't publish per-unit claims.

Which breakers have the most silver?

Large-frame industrial breakers — molded-case, insulated-case, and power/air breakers — plus contactors and motor starters, which switch constantly and carry the largest contacts. Frame size matters more than amperage.

Do scrap yards pay for the silver in breakers?

Most scrap yards buy breakers as a mixed electrical category, not on assayed silver content. Refiners pay on actual silver weight at a percentage — after you've done the extraction work. A specialty buyer values the whole unit.

Is a bucket of old breakers worth anything?

Often yes — but usually for what the breakers are, not just their metal. Obsolete residential breakers have scarcity value; commercial lots have aggregate metal value. Send photos and find out which you have.

Why won't you give me an exact number?

Because any exact number would be misleading. Contact size and alloy vary by manufacturer, model, frame, and how much arcing the unit has seen. Honest ranges beat false precision.

HOW SELLING WORKS

Three steps to an offer.

01

Send photos

Photograph the material, nameplates and quantity, then send them through the quote form, by email or by phone.

02

Material review

We review what the material is, its condition and quantity, and whether it fits a direct purchase.

03

Receive an offer

For qualifying material, we discuss a direct purchase offer and the next steps.

CALLSEND PHOTOS FOR A PRICE