SOPA-...
Festo – SOPA-... – 2017-09b English
17
Range of application and certifications
In combination with the UL mark on the product, the information included in this section is also
applicable for compliance with the certification requirements of Underwriters Laboratories Inc. (UL)
forUSA and Canada. Observe the following English-language remarks from 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
avalue 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
NRNT2 (USA) or
NRNT8 (Canada)
File number
E253738
Considered standards
UL 508, 17th edition,
C22.2 No. 14-2005
UL mark
Tab. 7
UL approval information