Products catalog SIEMENS - SINUMERIK 840

Our Operational Maintenance (MCO) solutions ensure permanent access to a strategic stock of over 300,000 spare parts, including obsolete components often unavailable on the market.
By anticipating obsolescence, our offers prevent costly machine downtime and ensure the operational continuity of your industrial equipment.

Discover all MCO solutions

Order directly online

Buy your most requested industrial spare parts online, 24/7 — reconditioned, tested, and guaranteed for 2 years by Cofiem.

We offer MCO solutions to extend the lifespan of your installations, even when components become obsolete.

Thousands of references immediately available for online purchase
Express worldwide shipping
Secure payment under your usual customer terms

Order online

Browse our complete catalog of reconditioned products

Access all the industrial references and brands reconditioned by our experts and sold with warranty.

Ideal for ensuring production continuity and avoiding downtime due to obsolescence.

Over 250,000 items in stock
30,000 ready to ship within 24 hours
Over 5,000 industrial brands available

Explore the full cofiem catalog

Sell your unused industrial equipment

Give a second life to your PLCs, drives, HMIs, and other industrial components you no longer use.
Cofiem buys your equipment — whether recent or obsolete — to recondition and integrate it into our strategic stock of over 250,000 references.
By selling your equipment, you free up space, recover value from your assets, and contribute to the circular economy while supporting the operational maintenance of industrial sites.

Contact the buyback team

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At Cofiem Electronics, we offer diverse career opportunities to match your professional ambitions.
Join us and become part of a dynamic, committed, and forward-looking team.

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