The CR-U 41BV plug-in module is a pluggable function module for the CR-U range sockets. This module provides reverse polarity protection/free wheeling diode and a green LED indication. The rated control supply voltage is 24-60 V DC.
Catalog description
CR-U 41BV Pluggable module diode and LED green, 24-60VDC,A1+, A2-