Festo SOPA Serie Instrucciones De Utilizacion página 56

SOPA-...
Domaine d'application et homologations
Les informations de cette section, associées au marquage UL figurant sur le produit, s'appliquent aux
Etats-Unis et au Canada en vue du respect des conditions de certification d'Underwriters Laboratories
Inc. (UL). Observer les recommandations suivantes en anglais d'UL :
This device is intended to be used with a Class 2 power source or Class 2 transformer in accordance
with UL1310 or UL1585.
As an alternative a LV/C (Limited Voltage / Current) power source with one of the following properties
can be used:
– This device shall be used with a suitable isolating source such that the maximum open circuit
voltage potential available to the product is not more than 30 V DC and the current is limited to a
value not exceeding 8 amperes measured after 1 minute of operation.
– This device shall be used with a suitable isolating source in conjunction with a fuse in accordance
with UL248. The fuse shall be rated max. 3.3 A and be installed in the 30 V DC power supply to the
device in order to limit the available current.
Note that, when more than one power supply or isolating device is used, connection in parallel is not
permitted.
UL approval information
Product category code
File number
Considered standards
UL mark
Tab. 6 UL approval information
56
NRNT2 (USA) or
NRNT8 (Canada)
E253738
UL 508, 17th edition,
C22.2 No.14-2005
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