Hoefer RCB20-PLUS User Manual
Page 17

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Environmental conditions according to
EN 61010, part 1:
• Use only indoors.
• Altitude up to 2000 m – normal zero.
• Ambient temperature: +5 to +35 °C (for storage
and transportation)
• Air humidity: Maximum relative humidity 90% for
temperatures up to +35 °C
• Protection class according to EN 60 529 IP21
Power supply according to class 1,
VDE 0106 T1:
• Not for use in explosive atmosphere.
• Maximum mains fluctuation of ±10% is permissible.
• Over voltage category: II
• Pollution degree: 2
• Standards for interference resistance EN 61326:
1997 + A1: 1998 + A2: 2001
• Emitted interferences: The unit adheres to the
threshold values for emitted interferences according
to table 3 of EN 61326.
• Interference resistance: The unit conforms to the
requirements according to table B1 of EN 61326.