Add a 5 lb bag of custom roasted coffee to your parts order and get an extra 25% off our wholesale coffee prices!

Mazzer M28240

Mazzer M28240 Complete Upper Microswitch | Fits Doser

Regular price $131.89

This part ships directly from Mazzer and stock is not guaranteed. Lead time averaging 7 to 9 business days for ground shipments, 1 to 2 business days for Overnight.

If unavailable, the item will be backordered. If you have any questions check parts sheets below description. Please email or chat to confirm availability prior to ordering.

Description Details

Restore the flawless operation and safety of your Mazzer grinder with the genuine Mazzer Complete Upper Microswitch (Part \# M28240). This critical OEM replacement component is engineered to precisely control the activation and deactivation of your grinder, often related to the bean hopper assembly or lid safety mechanism. **Is your Mazzer grinder not turning on?** A failing upper microswitch is frequently the cause. Replacing it with the official M28240 ensures immediate restoration of reliable function, guaranteeing that your machine only operates when safe and correctly assembled. This complete unit includes the necessary wiring and housing for simple, direct installation, minimizing downtime and technician time.

This Mazzer microswitch is specifically designed for high-volume commercial environments, offering superior durability and a robust contact mechanism to withstand millions of cycles. Key specifications include OEM compatibility with various Mazzer models (confirming fitment based on your grinder's manual is advised), a positive-action trigger, and high-quality electrical insulation. The primary benefit of using this authentic Mazzer part is the maintenance of factory-set safety standards, eliminating the risk of inconsistent power delivery or operational failure due to sub-par components. **Are you looking for a Mazzer microswitch replacement guide?** This complete assembly simplifies the repair process, making it the ideal solution for both preventative maintenance and urgent repairs.

Don't compromise on espresso quality or machine reliability with faulty electronics. The Mazzer Complete Upper Microswitch (M28240) is an essential investment for peak performance. Its integration of a reliable safety interlock ensures your Mazzer grinder operates as intended, protecting both the user and the motor. If you are experiencing **intermittent power on your Mazzer grinder**, this M28240 switch provides the definitive solution, guaranteeing consistent workflow in your café. Secure your replacement today from Kaldi.com and restore the peace of mind that comes with using genuine, factory-approved Mazzer parts.

Descriptions are for reference only. We do our best to fill in the blanks when manufacturers don’t provide descriptions, but details can vary. We strongly recommend checking with the manufacturer for the exact part number you need. Ordering based on the part number—rather than the description—is the best way to ensure compatibility.

Frequently Asked Questions

This Part #M28240 fits Mazzer machines, including the Doser series. Compatibility may be specific to the machine's production year and model. Please consult the technical PDFs and compatibility data on this page to confirm a match for your specific unit before finalizing your purchase.

Our current database shows fitment for the Doser series. However, many Mazzer components are interchangeable across different platforms. If you have successfully installed Part #M28240 on a model we haven't listed, please let us know so we can update our records for the community.

If you are unsure of the fit, do not guess. To prevent downtime, please view our Compatible Parts Diagrams to check the exploded view PDF for your specific unit, or message our parts team for assistance.

Parts from Mazzer including this complete upper microswitch ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #M28240 is a 100% genuine OEM component sourced directly from the Mazzer factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Mazzer parts typically range from 7 to 9 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All Mazzer parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All Mazzer parts come with a All sales final return policy. Please see our refund policy or chat for more details.

Commercial Coffee Machine Part Manufacturers