SONESTA S3 - Ultimate Patient Positioning Chair

The S3 chair is part of our Next Generation Sonesta line. With three motors, seat, back and lift, a wide range of accessories and a user-friendly design it is the most versatile chair on the market. The ultimate patient positioning chair with infinite positioning creates a pleasant and ergonomic user experience as well as ultimate patient comfort. The three-motor chair enables a variety of different examinations and procedures.

Side table with foot rests fold up
Side with footrest one up one down
Medical chair
Side high up with footrest fold down
Medical chair


Sonesta S3 – Presentation

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Sonesta S3 – Daily Use and Care Tutorial

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Technical specification

CE-marked in accordance with guidelines in Medical Device Directive 93/42EEC

Length without extension cushion:
143 cm / 76”
Length with extension cushion:
193 cm / 56”
Width (total):
77 cm / 30”
Height with seat cushion (min.):
40 cm /16”
Height with seat cushion (max.):
105 cm /41”
Patient weight (max):
210 kg / 465 lbs
Wheel diameter (2 lockable + 2 directional):
10 cm / 4”
Net weight:
125 kg / 276 lbs


Power consumption:
max 2.7A (120V~) 1.5A (230V~)
Input voltage:
120 ~ 60 Hz 230V ~ 60/50 Hz
Output voltage:

Satisfies the requirements for EMC according to IEC 60601-1-2


Electric shock protection:
Type B (Body):
Protection against water incursion and foreign objects:
Operating cycle (Intermittent):

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