KROHNE OPTIMASS with MFC 300 EN - Manual (Page 98)

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Power supply AC Version DC Version AC/DC version
Voltage range (without changeover) 100...230 V AC 12...24 V DC 24V AC 24V DC
Tolerance band -15% / +10 % -25 % / +30 % -15% / +10% -25% / +30%
Frequency 48...63 Hz N/A 48...63 Hz N/A
Max. power consumption (incl. sensor) 23 VA 14 W 25 VA 14 W
When connected to functional extra-low voltage (12 - 24 V DC), protective separation (PELV) must be
ensured (to VDE 0106 and IEC 364 / 536 or equivalent national regulations).
Housing
Materials
C Compact: die-cast aluminium (optionally stainl. steel 1.4404)
F Field housing die-cast aluminium (optionally stainl. steel 1.4404)
W Wall-mounted housing polyamide
R 19“ rack
aluminium section, stainless steel and aluminium sheet, in
part with polyester coating
Ambient
temperature
in operation
-40…+60 °C / -40…149 °F
(-40…+55 °C / -40…131 °F for SS)
In storage -50…+70 °C / -58...+158 °F
Degree of protection
(IEC 529 / EN
60 529)
C Compact: IP 67 / NEMA 4X
F Field housing IP 67 / NEMA 4X
W Wall-mounted hsg IP 65 / NEMA 4 and 4X
R 19“ rack IP 20 / NEMA 1
Cable entry for Versions C, F and W M 20 × 1.5, ½“ NPT or PF ½“