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PSEN 2.1a/b-20
For your safety
Unit features
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The actuator PSEN 2.1-20 belongs to the safety switch.
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Coded actuator
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Safety switch with cable (5 m/ 10 m)
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2 safety contacts (reed contacts - N/C and N/O)
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Design: Square
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Operation Magnetic
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Switching voltage 24 VDC
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Series connection via PSEN i1 interface
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ECOLAB tested
Function description
If the actuator is within the response range (safety gate closed), the safety contacts on the
safety switch will be switched. The N/O contact is closed and the N/C contact is opened.
The safety switch is designed for applications in series connections.
Operate the PSEN 2.1a/b-20 in conjunction with the following components:
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Actuator PSEN 2.1-20 (see
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Interface PSEN i1 (see
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a connected evaluation device (see
devices [
Operating Manual PSEN 2.1a/b-20
21205-EN-08
WARNING!
Loss of safety function due to manipulation of the interlocking device
Manipulation of the interlocking device may lead to serious injury and death.
– You should prevent any possibility of the interlocking device being
manipulated through the use of a spare actuator.
– Keep the substitute actuator in a safe place and protect it from unau-
thorised access.
– If substitute actuators are used, these must be installed as described
under
Installation [
– If the original actuators are replaced with substitute actuators, the ori-
ginal actuators must be destroyed before disposal.
Order reference [
Order reference [
10]).
12].
16]),
17]) and
Requirements and connection to evaluation
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