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Our Services
Sell us your spare inventory! Let us know what parts you have, and we will make you an offer.
We offer one of the largest inventories of industrial automation and MRO parts, so you can easily find what you need.
Should you require a part we don't have in stock, we’ll tap into our global supplier network to source it for you.
Our certified technicians offer comprehensive repair services and test capabilities for your industrial parts.
2,304,655 parts to 65,046 customers in 167 countries
SIGMA Surplus, a division of SIGMA Group, makes it easy to buy and sell MRO spare parts. We serve all manufacturing industries with our wide selection of surplus PLCs, HMIs, VFDs, servo drives, sensors, electronic components, and much more! We carry the brands you know and trust, from Allen-Bradley to Siemens, Square D, ABB, and hundreds more.
Top Categories
Explore Our Top Parts
Siemens
3RH1921-1HA22
Allen Bradley
700-TBR24
Allen Bradley
2090-K6CK-D26M
Allen Bradley
140-MN-0630
Turck
RK 4.4T-1-RS 4.4T/S1587
Allen Bradley
700-HA33Z24
Siemens
3SB3403-0B
Siemens
3SB3403-0C
LDI INDUSTRIES
LSP151-04
Allen Bradley
42EF-P2RCB-G4
OMRON
G9SA-501 AC/DC24
Allen Bradley
100S-FA04
Jergens
135-801001-MLC
Allen Bradley
100S-C23EJ422C
Allen Bradley
100-FA22
Siemens
6ES7193-4CB30-0AA0
Hoffman
59700
Most Popular Brands
We add stock to our inventory daily
DISCLAIMER: SIGMA Surplus and SIGMA Group are not affiliated with nor an authorized distributor or representative of any manufacturer, brand or product listed. All items sold by SIGMA Surplus are covered under SIGMA Surplus' warranty and not the manufacturer warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.
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