Safety relay modules and sensors
Using safety relay modules, you can reliably implement safety functions in machines and systems. They monitor signals from emergency stop buttons, light grids, and safety door switches, and initiate a safe state where necessary. The PSR product range comprises safety relays with fixed or configurable safety functions, zero-speed and over-speed safety relays, and safe coupling relays.
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PSR-SCP- 24UC/ESA2/4X1/1X2/B
Safety relay for emergency stop and safety door up to SIL 1, Cat. 1, PL c, depending on the application up to SIL 3, Cat. 4, PL e, single-channel operation, 4 enabling current paths, U<sub>S</sub> = 24 V DC, plug-in screw terminal blocks
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PSR-SCP- 24UC/ESA4/3X1/1X2/B
Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e in accordance with EN ISO 13849, 2-channel operation, 3 enabling current paths, nominal input voltage: 24 V DC, plug-in screw terminal block
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PSR-SCP- 24UC/ESAM4/3X1/1X2/B
Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e in accordance with EN ISO 13849, 2-channel operation, 3 enabling current paths, nominal input voltage: 24 V DC, plug-in screw terminal block
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PSR-SCP- 24DC/ESD/4X1/30
Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e in accordance with EN ISO 13849, automatic or manual activation, 2 N/O contacts with a dropout delay of 0.1 s ... 30 s, plug-in screw connection terminal block
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PSR-SCF- 24UC/URM/4X1/2X2
Safe coupling relay with force-guided contacts, 4 N/O contacts, 2 N/C contacts, fixed screw terminal block, width: 40 mm
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PSR-SCF- 24UC/URM/2X21
Safe coupling relay with force-guided contacts, 2 changeover contacts, 1-channel, fixed screw terminal block, width: 17.5 mm
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PSR-PS23-1NO-1NC-24VDC-SC
Coupling relay for SIL 3 high and low-demand applications, couples digital output signals to the I/O, 1 enabling current path, 1 confirmation current path, safe state off applications, test pulse filter, fixed screw terminal block
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PSR-MC20-3NO-1DO-24DC-SC
Safety relay for emergency stop and safety doors up to SIL 1, Cat. 1, PL c, depending on the application up to SIL 3, Cat. 4, PL e, 1-channel operation, automatic/manual start, 3 enabling current paths, U<sub>S</sub> = 24 V DC, plug-in screw terminal block
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PSR-PS20-1NO-1NC-24DC-SC
Coupling relay for SIL high and low-demand applications, couples digital output signals to the I/O, 1 enabling current path, 1 confirmation current path, 1 digital signal output, safe state off applications, test pulse filter, fixed screw terminal block
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