Starting at $39.64/month or as low as 0% APR
Learn moreSiemens Parts for Sale
PLC Machinery carries one of the deepest selections of surplus and obsolete Siemens automation parts in the country โ SIMATIC S7-1500/1200 PLCs, SINAMICS drives, SIMATIC HMIs, ET 200 distributed I/O, and SIRIUS contactors and overloads. Much of our stock is unused surplus in original packaging (new-old-stock), and we're a strong source for discontinued lines like S7-300, S7-400, and MICROMASTER that are no longer produced but still run on plant floors everywhere. Every part is graded by condition, backed by our own 90-day warranty, and ships same day. Don't see your part number? Contact us โ our inventory turns constantly.
Shop by Siemens Product Family
Frequently Asked Questions
Is surplus Siemens hardware as good as factory-new?
Much of our Siemens stock is unused surplus in original packaging (new-old-stock) and performs identically to a new unit. Everything is graded by condition and backed by our 90-day warranty, so there are no surprises.
Can you source obsolete S7-300, S7-400, or MICROMASTER parts?
Yes โ discontinued Siemens lines are a specialty. S7-300, S7-400, MICROMASTER and similar are no longer manufactured but still run in thousands of facilities. If you don't see a discontinued part, contact us; we may have it or be able to find it.
Do you stock SINAMICS drives and SIMATIC HMIs?
Yes โ current SINAMICS families, legacy MICROMASTER drives, and SIMATIC HMI panels are regular stock. Search by model (G120, S120, etc.) or use the family buttons above.
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Siemens 6SE6420-2UC12-5AA1 Micromaster 420 Frequency Inverter Drive
$694.99SKU: C-2-1-9Add to Cart -
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Siemens 7MB2121-1CG00-0AA1 6E One Channel Gas Analyzer 7MB2121-1BE00-0AA1
$22,224.99SKU: B-4-5-24Add to Cart -
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Siemens 7ML54400GA000AA1 LR56 Sitrans 0 Radar Level Transmitter 1P
$2,864.99SKU: D-4-5-10Add to Cart -
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Siemens A5E50666283 Simatic IPC477E BVO Compact (01/21) Operating
$249.99SKU: B-1-5-118Add to Cart -
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Siemens B25833-U6156-A0009 Capacitor MKV 15ยตF ยฑ6% 660V AC 50/60Hz
$225.00SKU: C-21-F-18Add to Cart -
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Siemens C79040-A310-C276-01-85 Circuit Board C79040-A310-C276-01-87
$124.99SKU: D-3-2-14Add to Cart -
Siemens C79451-A3140-B137 / 1900710-001 HVAC Refrigeration Control Component
$144.99SKU: C-16-B-137Add to Cart -
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