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Solenoid valve/Valve terminal
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This product is recognized by Underwriters Laboratories
Inc. (UL). Representative samples of this component have
been evaluated by UL and meet applicable UL require-
ments.
UL approval information
Product category code
YIOZ2 (USA) or
YIOZ8 (Canada)
File number
MH19482
Considered standards
UL 429, 5th Edition
C22.2 No. 139 – 1982
UL mark
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Fitting and commissioning to be carried out by qualified
personnel only in accordance with the operating in-
structions.
Such qualified personnel must have several years of
training and experience in installing and commissioning
electrical and pneumatic industrial control systems.
• Please observe the applicable safety requirements
and standards.
Conversion or extension of the product with modules,
for which the Recognized Component Mark of UL does
not apply, will lead to loss of the UL certification.
• Contact Festo if you require information on UL-certi-
fied modules.
Only for connection to a NEC Class 2 supply
Raccorder Uniquement a un circuit de Classe 2
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
24 V DC and the current is limited to a value not excee-
ding 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. 4 A and be installed
in the 24 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.
en
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Extracts )* from the UL report:
Conditions of acceptability:
In determining the acceptability of these valves in the
end-use, the following shall be determined:
– These valves are supplied from an NEC class 2 source
and the need for any additional enclosure is to be deter-
mined in the end-use application. Also see the last item
below.
– The valve terminals are suitable for factory-wiring only.
– The suitability of any mating electrical connector is to
be determined in the end product.
– These valves have been investigated only for air, inert
gas or vacuum.
– These valves are intended to be used in conjunction
with air-tubes with the following outside dimensions:
Note
Port
Air tube
Size thread
[mm]
1 or 33
4
M7
8
3 or 11
4
M7
6
G1/8
8
M7
3
2
M5
4
6
– The Low Temperature Impact Test was not performed.
These valves are to be mounted in a suitably guarded or
protected location to avoid contact (impact) in the end-
use product application.
)* taken over essentially without important changes
en
Torque
[mm]
2
2
3
2
0.8
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