Installation; Safety Requirements On The Electrical Installation - wtw P 700 IQ Operating Manual

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P 700 IQ
ba75998e05
03/2015

3.3 Installation

3.3.1 Safety requirements on the electrical
installation
Electrical equipment (e.g. motors, contactors, cables, lines, relays)
must meet the following requirements:
 Conformity with national regulations (e.g. NEC, VDE and IEC)
 Suitability for the electrical conditions at the installation site
 Maximum operating voltage
 Maximum operating current
 Suitability for the environmental conditions at the installation site
 Temperature resistance (minimum and maximum tempera-
ture)
 Stability against UV light when used outdoors
 Protection against water and dust (Nema or IP protection
class).
 Suitable fusing of the electrical circuit
 Overcurrent fuses (in accordance with the technical data of
the device input or output)
 Overvoltage class II surge limiters
 Suitable disconnecting device (e.g. switch or circuit breaker) for the
mains supply of permanently mounted equipment with separate
mains connection,
 conforming to
 IEC 60947-1
 IEC 60947-3
 in the vicinity of the equipment (recommendation)
 Flame-resistant (cables and lines),
in compliance with the following regulations
 UL 2556 VW-1 (for USA, Canada)
 IEC 60332-1-2 (outside of USA, Canada)
For details on the conditions at the installation site, see
chapter 7. Technical data,  107.
Commissioning
23

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