Bizerba FK 23 - Power Supply Specifications; Ambient Operating Conditions

Technical data Operating instructions FK 23
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9.2 Power supply
Technical data of power supply
– Mains supply
Single-phase alternating current or three-phase alternating current, see rating plate
– Permissible mains voltage tolerance (static) normal
At 120 to 400V: +6% to -10% of nominal value
At 230 to 400V: +6% to -10% of nominal value
– Mains frequency: 50 (60) Hz
Permissible tolerance of mains frequency: +2% to -2% of nominal value
Admissible distortion factor of mains voltage: smaller equal 5 %
– Leakage current protective conductor max.: 3.5 mA
9.3 Ambient conditions
– Ambient temperature
for operation and storage: -10 to +40°C (+14 to +104 degF)
– Humidity
Protection class IP 55
– Relative humidity
for operation and storage: 90 % (condensation of the unit is not permissible)
– Air convection
Free air convection must be able to form around the device in order to avoid over-
heating.
– Required lighting
500 Lux