Festo SOPA Serie Instrucciones De Utilizacion página 16

SOPA-...
Campos de aplicación y certificaciones oficiales
En relación con el marcado UL-en el producto es válida la información de este apartado respecto al
cumplimiento de las condiciones de certificación de Underwriters Laboratories Inc. (UL) para
Estados Unidos y Canadá. Observe las siguientes indicaciones en inglés de 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
16
NRNT2 (USA) or
NRNT8 (Canada)
E253738
UL 508, 17th edition,
C22.2 No.14-2005
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