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Pilz PNOZ X2 User Manual

Pilz PNOZ X2
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PNOZ X2
Operating Manual PNOZ X2
1003353-EN-08
| 17
The PFH value depends on the switch frequency and the load of the relay output.
If the service life graphs are not accessible, the stated PFH value can be used irrespective
of the switch frequency and the load, as the PFH value already considers the relay's B10d
value as well as the failure rates of the other components.
Service life graph
The service life graphs indicate the number of cycles from which failures due to wear must
be expected. The wear is mainly caused by the electrical load; the mechanical load is negli-
gible.
Number of cycles x 1000
Switching current (A)
Example
} Inductive load: 0.2 A
} Utilisation category: AC15
} Contact service life: 4 000 000 cycles
Provided the application to be implemented requires fewer than 4 000 000 cycles, the PFH
value (see Technical details) can be used in the calculation.
To increase the service life, sufficient spark suppression must be provided on all output
contacts. With capacitive loads, any power surges that occur must be noted. With DC con-
tactors, use flywheel diodes for spark suppression.
Order reference
Product type Features Connection type Order no.
PNOZ X2 24 VAC/DC Screw terminals 774303

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Pilz PNOZ X2 Specifications

General IconGeneral
CategorySafety Relay
Width22.5 mm
Height87 mm
Depth121 mm
MountingDIN Rail
Rated Current per Channel6 A
Supply Voltage24 V DC
Contacts2 N/O
Stop Category0
Weight200 g
StandardsEN 60204-1

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