Edwards EST SIGA-MCRR UIO Plug-in Polarity Reversal Relay ModuleThe Edwards EST SIGA MCRR is the UIO plug in polarity reversal relay for Signature Series loops, used to group activate compatible sounder bases by reversing a 24 VDC output. It snaps into multi position UIO backplates for compact builds and faster field wiring, with on board green red status LEDs for quick checks.
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Edwards EST SIGA-MCRR UIO Plug-in Polarity Reversal Relay Module