KROHNE OPTITEMP TT 60 C-R EN - Manual (Page 11)

11/2010 – 4000754401 – MA OPTITEMP TT60CR R01 en www.krohne.com 11
4 Electrical connections
4.1 Safety instructions
ATTENTION! ATTENTION! ATTENTION! ATTENTION!
Only trained and qualified personnel may carry out any work on the device. Always observe the
regional industrial safety and other safety regulations.
ATTENTION! ATTENTION! ATTENTION! ATTENTION!
Any work on the electrical connections may only be carried out in the de-energized state.
Observe the voltage specifications on the rating plate!
Observe the national regulations for electrical installations!
The transmitter is protected against polarity reversal.
No damage will occur to the device if the
polarity of the supply voltage is switched.
ATTENTION! ATTENTION! ATTENTION! ATTENTION!
When connecting devices with an Ex certificate, observe the corresponding chapters and the
instructions in this manual.
The TT 60 C may only be connected to sensors that meet the requirements for "simple
equipment" in standard EN 50020:2002, section 5.4 .
The transmitter must be supplied with power by an intrinsically safe power supply unit or Zener
barrier outside of the potentially explosive zone.