Renfert MT Plus Marathon – Dental Plaster Trimmer Wet and Dry
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Référence: 1803.0500
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Why choose the MT plus Marathon?
The Marathon wheel (partially diamond-coated) provides an efficient cutting action on hard plasters while reducing heat build-up and clogging.
The unit remains versatile (wet/dry) with simplified maintenance for smooth laboratory workflows.
Indications and benefits
- Trimming of plaster models (fixed, removable, orthodontic) in wet or dry mode.
- High productivity and consistent cutting; fewer pores and touch-ups.
- Compatible with other discs: Klettfix (SiC carbide), Infinity (fully diamond-coated).
Operating instructions (summary)
- Select wet or dry mode; check suction (dry) and water supply (wet).
- Mount the Marathon disc (integrated tool), check the table angle, then start the unit.
- Clean and maintain regularly: table, water hose, and disc replacement according to the manual.
Refer to the Renfert manual for detailed procedures, safety instructions, and maintenance.
Technical specifications
| Voltage / Frequency | 220–240 V • 50/60 Hz |
|---|---|
| Power | 1300 W (≈ 1.74 hp) |
| Speed | 2850 rpm |
| Max. water consumption | 9 L/min (wet mode) |
| Water pressure | 1–5 bar |
| Drain outlet Ø | 36 mm |
| Disc Ø | 234 mm — Marathon partially diamond-coated |
| Dimensions (W × H × D) | 300 × 320 × 410 mm |
| Weight (without disc) | 13.5 kg |
| Supplied with | Marathon disc + water/drain hoses + tool set |
Documents & resources
FAQ
Can the MT plus Marathon be used wet and dry?
Yes, the unit is designed for both operating modes.
The wet ↔ dry changeover is explained step by step in the manual.
Make sure to activate suction in dry mode and adjust water flow in wet mode.
What are the differences between Marathon, Klettfix and Infinity?
Marathon: partially diamond-coated disc, suitable for wet and dry use.
Klettfix: silicon carbide disc with hook-and-loop backing, wet use.
Infinity: fully diamond-coated disc, intended for intensive wet use.
Which connections are required?
230 V power supply with grounding.
Water inlet and Ø 36 mm drain for wet mode.
Suitable extraction for dry mode to reduce dust.
Renfert MT Plus Marathon – Dental Plaster Trimmer Wet and Dry