Specifications

16 PHOENIX CONTACT
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Safety relays for process technology (SIL),
shipbuilding (GL) and combustion plants
(EN 50156)
The PSR-ESP4 safety relays that have been
specially developed for safe semiconductor
outputs are characterized by high reliability,
low space requirement, simple wiring and
optimized switch-on behavior. Conventional
safety relays often have a very high inrush
current, which control systems interpret as a
short circuit. Thus, the PSR-ESP4, with its
improved current consumption when
switched on, is an ideal solution wherever
safe electrical isolation of the control system
from the application is required or the voltage
or power is to be adjusted.
Pillard Feuerungen GmbH
Pillard Feuerungen GmbH is involved exclusively
in furnaces for the cement, stone and earth
industry, power engineering and environmental
protection. Compact PSR safety relays that fulfill
the requirements of the EN 60204 and
EN 50156-1 standards ensure safe switching of
the check valves in fuel lines. The fuel supply is
thus reliably interrupted in the case of a fault.
PSR-ESP4
Order No
Order No
• Safety
door
isolatio
periphera
• Max. safet
EN 9
IEC
• Single-ch
• Manual
• Two en
• Safe is
Example of electri
th
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