Specifications

Origin: Made in Korea (Saeyang Marathon M3 / M3 Champion series).

Type: Dental laboratory micromotor complete set with control box, handpiece, and foot pedal.

Maximum speed: Typically 35,000 rpm at the handpiece (some variants listed up to 45,000 rpm; your lab set is generally 35,000 rpm).

Torque: Approx. 2.9 N·cm, providing strong cutting power for lab applications.

Power consumption: Around 45 W with universal input 120–240 V, 50/60 Hz (model values may vary slightly).

Speed control: Continuous variable speed via front dial; supports stable low‑to‑high speed operation.

Rotation: Forward and reverse direction selectable with one‑touch change.

Operation modes: Hand control on the box plus on/off foot switch or foot pedal “auto cruise” function on some M3 units.

Handpiece: Compact, lightweight micromotor handpiece (e.g., SDE‑H37L1 type) for 2.35 mm burs, designed for low vibration and low heat.

Control unit size/weight: Approx. 1.2 kg with dimensions around 11.8 × 15.6 × 7.8 cm, easy to place on any lab bench.

Applications: Trimming and finishing crowns, bridges, dentures, and other lab prostheses and appliances.

The Marathon M3 Micromotor (Lab) Korea is designed as a reliable bench‑top micromotor system for dental laboratories, combining a small control unit with a comfortable handpiece to handle daily grinding, contouring, and polishing of prosthetic work. Its variable speed control allows smooth adjustment up to about 35,000 rpm, delivering consistent torque for acrylic, metal, and other lab materials while keeping noise, vibration, and heat generation low even during prolonged use. Forward/reverse rotation and foot‑pedal control support flexible, ergonomic operation, making the M3 a practical choice for technicians who need accuracy and comfort over long working sessions.

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