Without an upstand, the 50 mm AISI 304 worktop of the KBS21M is flat edge to edge across 2100 mm, at a height of 880 mm. Three doors lead into one compartment of 564 litres gross and 360 litres net, set up for EN 60 × 40 cm pastry trays and a −2…+8 °C range. The digital thermometer-thermostat offers two humidity settings, 75% and 90%, and a communication port.
Each section has an AISI 304 grid rack with seven 75 mm positions. Ventilated cooling, automatic electric defrost, an evaporator treated against corrosion and a cooling unit that pulls out for condenser cleaning are built in, and the worktop is lined for soundproofing.
2100 × 800 × 880 mm, 159 kg net, feet 140–200 mm. Energy class D, 3.749 kWh per 24 h (EEI 50.5; 1368 kWh a year), R290 (0.08 kg), 560 W at −10 °C, 360 W electrical power.