Pepperl+Fuchs, KFA5-DWB-1.D, Logic Control Units, Rotation Speed Monitors 1-channel, Input frequency 1 mHz … 12 kHz, 2 relay outputs, Each output individually parameterisable as trip value, Start-up override, Restart inhibit, Lead breakage (LB) and short-circuit (SC) monitoring, Debounce filter, Parameterization via keypad, Up to SIL 2 acc. to IEC 61508, Function (P2P): Limit value, Rated voltage: 115 V AC ± 10 %, Output: 2 x 1 changeover contact, SIL/IEC 61508