Specifications

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Safety relays for emergency stop, safety
door circuits and two-hand control
systems
Easy and error-free installation of
safety-related parts of the automation solution
is indispensable in mechanical and plant
engineering. In the control cabinet, different
signals from the field must be monitored and
evaluated for correct functioning and cross
circuits. Our universally applicable PSR safety
relays can be easily configured with the help of
external wiring and make use of innovative
connection technology. This reduces the
project planning and installation time.
PSR-ESM4_B
Order No. 2963776 (screw connection)
Order No. 2963925 (spring-cage connection)
• Safety relay for emergency stop and safety
door monitoring
• Max. safety category 4 in accordance with
EN 954-1
• Single or two-channel control
• Manual and monitored activation
• Optionally with two or three enabling contacts
and one alarm contact
• Optionally with or without safe isolation
In addition to the
additional labeling option,
the pluggable screw and spring-cage
terminal blocks of the PSR safety relays
are also coded in order to rule out the
possibility of a mix-up of the terminals on
a module.
PSR-ES
Order No. 29
Order
• Safety
door
• Max. safety cate
EN 954-1
• Singl
• Manual or automatic activation
• Opti
contacts
• Opti
Example of a safety door
activa
Contactron solid-state
EN_DE_Safety_Rev.01.fm Seite 3 Freitag, 30. Mai 2008 1:22 13
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