About the Mazzer Robur S Electronic Grinder

High-volume conical burr grinder built for busy specialty cafés that need speed, consistency and control.

Why we like it

• Fast grinding with low RPM to protect flavour (around 1s per 5–6 g of espresso).
• Redesigned internals to reduce coffee retention and improve dose consistency.
• Grind Flow Control (GFC) system helps keep grinds centred in the basket and off the bench.
• Double-fan cooling system to manage temperature during heavy service.
• Easy-to-clean grinding chamber without losing your grind setting.
• Memory Track grind adjustment ring makes it easier to dial in and return to settings.
• Built-in stats, maintenance alerts and cloud-ready features for tracking usage.

Best for

High-volume espresso bars and specialty cafés that want a conical burr grinder designed to run hard all day. Ideal as a main espresso grinder where consistency, retention and workflow are critical.

Key features

• Grind Flow Control (GFC) system: outlet insert with interchangeable wire dampers to reduce clumping and mess, and improve distribution in the portafilter.
• Control panel: ergonomic interface in 19 languages with a wide viewing angle.
• Dosing: programmable single, double and triple doses with time adjustment down to hundredths of a second.
• Modes: manual grinding mode plus programmable pause function between grinding phases.
• Dose management: ability to set a maximum dose cap, plus total and partial dose counters.
• Data & connectivity: daily grinding statistics, service alerts and IoT features for cloud connectivity.
• Portafilter fork: adjustable holder for hands-free grinding and centred flow into the basket.
• Cooling: special cooling system with double fan to help protect coffee from heat.

Details & specs

• Brand: Mazzer
• Model: Robur S Electronic
• Grinder type: on-demand electronic espresso grinder
• Burrs: conical burrs, Ø 71 mm (ref. 186C)
• Burr speed:
  • 420 rpm @ 50 Hz
  • 500 rpm @ 60 Hz
• Power: 800 W
• Bean hopper capacity: 1.6 kg (approx. 3.5 lbs)
• Net weight: 28 kg (approx. 62 lbs)

Download the Mazzer Robur S Electronic brochure