Motor control safety relays


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Table of available types of motor operation monitors

TypeDescriptionPerformance level according to EN 13849-1SIL Claimed Level to EN 62061Number of channelsMax. number of outputs with forcibly guided contacts (C/O = changeover, NO = normally open)Trip indicator output (SO = semiconductor output)Nominal voltageMaximum thermal current Lth (A)Module width (mm)Data Sheet
VDCVAC/VDCVAC
BH 5932speed or standstill monitor with PNP sensor input / NPN as an option3 / e31, 22 NO, 1NC++445
BH5932.pdf
UH 5947speed or standstill monitor4 / e324 NO2 SO++545
UH5947.pdf

Standstill monitors

TypeDescriptionPerformance level according to EN 13849-1SIL Claimed Level to EN 62061Number of channelsMax. number of outputs with forcibly guided contacts (C/O = changeover, NO = normally open)Trip indicator output (SO = semiconductor output)Nominal voltageMaximum thermal current Lth (A)Max. measurement/motor voltageModule width (mm)Data Sheet
VDCVAC
LH 5946 standstill monitor, measurement without sensor4 / e323 NO, 1 NC2 SO, 1 NO++569045
LH5946.pdf