PSR-.../URM/4X1/2X2
102381_02_en PHOENIX CONTACT 4
Safety Instructions
Block Diagram
Figure 2 Block diagram
Connection Notes
In order to comply with UL approval, use copper cables that
are designed for operating temperatures > 75°C.
For reliable and safe-to-touch contacts, strip the cable ends
as follows:
Screw connection (PSR-SCF-.../URM/4X1/2X2):
7mm
Spring-cage connection (PSR-SPF-.../URM/4X1/2X2):
10 mm
© PHOENIX CONTACT 05/2006
– During operation, parts of electrical switching devices carry hazardous voltages.
– Before working on the device, disconnect the power.
– Please observe the safety regulations of electrical engineering and industrial safety and liability
associations.
Disregarding these safety regulations may result in death, serious personal injury or damage to
equipment.
– Startup, assembly, modifications, and upgrades may only be carried out by a skilled electrical
engineer.
– In the event of an error, replace the device immediately.
– Repairs, especially if the housing must be opened, may only be carried out by the manufacturer or
authorized persons. Otherwise the warranty is invalidated.
– According to EN 50205, only one N/O contact and one N/C contact may be used as positively driven
contacts.
When operating relay modules the operator must meet the requirements for noise emission for electrical and
electronic equipment (EN 61000-6-4) on the contact side and, if required, take appropriate measures.
)
)
)
)
!
"
!
"
! !
! "
" !
" "
#
#
$
$
