
Our customers include
and hundreds of cafés, restaurants and offices.
Product Features
52% Lower Retention
71 mm Conical Burrs
Three Timed Doses + Manual
Grind Flow Control
Dual-Fan Split-Chassis Cooling
Easy Cleaning, Setting Preserved
Brand
Mazzer grew from Luigi Mazzer’s precision workshop near Venice and began specializing in professional coffee grinders and burrs in 1948. The family-run Italian company is known worldwide for durable construction and in-house manufacturing.
At a Glance
Made in Italy
Our honest read
The Coffeeionado Take
Straight answers, before you buy.
Who's It For
It's Right For You If
Things to Consider
Our Take
— The Coffeeionado team
Industry recognition
The brands we carry, covered by industry leaders
Featured in coverage of the equipment we sell.
Logos are trademarks of their respective owners and do not imply endorsement of Coffeeionado.
Credentials & memberships
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A+ Rated
Better Business Bureau
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Member
Specialty Coffee Association
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Most Trusted Coffee Equipment Supplier USA
LuxLife Magazine, 2025
350–550 shots/day
110–150 shots/hr
800–1,000 kg
Yes
Key Grinder Specifications
BURR SIZE
71 mm Conical
BURR MATERIAL
Steel
DOSING
On-Demand
PROGRAMABILITY
3 – Single, Double, Manual
OUTPUT SPEED
6.0 g/s
Depending on bean roastCOOLING SYSTEM
Dual Active Fans
Warranty: 2 Year Warranty - Parts | $299+ Value
For more information see: Warranty Policy
Why Buy from Coffeeionado
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Free Shipping
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Free
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Warranty
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2 Years (parts)
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1 Year
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Insured Shipping
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Always
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Lifetime Support
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Extended Warranty Available
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Full Product Description
Click to expand
Mazzer Robur S Electronic Espresso Grinder
The Robur S is a high-volume on-demand grinder built around 71 mm conical hardened-steel burrs. At 60 Hz, the burrs turn at 500 RPM and average approximately 6.0 g/s, giving a busy espresso bar very high output with controlled burr speed.
2 Year Warranty
When investing in coffee equipment, peace of mind is worth its weight in gold. That’s why we proudly offer a 2-year warranty with every commercial grinder purchase. This warranty is your guarantee against manufacturer's defects and ensures that all parts are covered for two years from the date of purchase. We understand that our customers deserve the very best.
Don't let uncertainty overshadow your love for freshly brewed coffee – take advantage of this limited-time offer and experience unparalleled assurance with your next equipment purchase.
Paid Shipping
At Coffeeionado, we understand the frustration of hidden costs when making online purchases. This is why we're thrilled to announce that we now cover all shipping, freight, and handling charges for our premium coffee equipment within the continental USA. Gone are the days of considering additional fees as you add items to your cart.
Commercial Workflow
Three programmable timed doses, manual grinding, a pause function, and hands-free portafilter activation support fast service. Compared with the preceding Robur, the S adds a redesigned chamber with 52% lower retention, Memory Track adjustment, a GFC outlet with interchangeable dampers, and dual-fan split-chassis cooling.
Key Specifications
- 71 mm conical hardened-steel burrs
- 6.0 g/s at 60 Hz
- 500 RPM at 60 Hz
- 800 W motor
- 1.6 kg / 3.5 lb hopper
- 28 kg / 62 lb net weight
- Three timed doses plus manual mode
- Estimated planning range: 110–150 shots per hour and 350–550 shots per day
- Recommended burr replacement interval: approximately 800–1,000 kg
This is a time-dosing espresso grinder; it does not grind by weight and it is not a pregrind-chamber model.
The Coffeeionado Standard
24 Month Warranty
Free Shipping
Lifetime Support
Specifications
Resources
What We'd Tell You In Person
How to Choose a Commercial Espresso Machine
How to choose a commercial espresso machine based on real volume numbers, peak hour output, and drink mix — not vague categories.
How to Choose a Commercial Grinder
Your espresso machine gets all the attention. The grinder does all the work. Every variable that determines shot quality — particle size, extraction evenness, dose consistency — starts at the grinder.
How to Design Your Cafe: Build Your Bar for the Rush
Design your café bar for peak volume, not average traffic. Equipment layout, station design, staffing ratios, and tools that remove steps — what actually matters during the rush.
Setting Up Your Commercial Espresso Machine Right
Water pressure, electrical specs, drain slope, filter flushing — what actually goes into a commercial espresso machine setup, and what gets skipped.
What's Included?
Mazzer Robur S
Insured Shipping
24 Month Warranty
Lifetime Support
Fast Free Shipping
Warning
This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.