Chapter 3—Installation and Wiring18 Power Xpert C445 Global Motor Management Relay MN042003EN—October 2016 www.eaton.comFigure 20. Communication Card InstallationDo not remove or install communication cards when the unit is powered.Remove the C445B... Option Cover as shown in Figure 18.The Option Cover may be discarded as it will not be reinstalled.The communication card installation is accomplished by firmly pushing the card downwardinto the C445B... communications card pocket until the card is completely seated and thelocking tab snaps into place.Figure 21. Component MatingThe C445B... Base Module can be attached to the top of the C445MA...Measurement module.Orient both modules so the two (2) RJ12 jacks on the C445B... module are on the sameside as the RJ12 jack on the C445MA... module.Align the modules so there is an offset of 0.098–0.157 in (2.3–4.0 mm).Slide the C445B... Base Module downward on the C445MA... Measurement Module untilthe locking tab moves into place.12
