Edwards Signaling CF135-2 SF 13/02 Thunderbird Commander 2014-2017

Thunderbird Commander 2014-2017

and voice evacuation

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resulting in best-in-class efficiency that provides material and system cost savings

dual relay Carbon Monoxide (CO) detector

Edwards Signaling CF135-2 SF 13/02 Thunderbird Commander 2014-2017The model number suffix 2, indicates that the detector is a double circuit with two (2) sets of Normally Open (N O) contacts. The second set of N O contacts are used to activate a local ancillary function that includes elevator recall, release of magnetically held doors, local signal operation, local annunciation, etc. In many cases this set of contacts will be connected to a controlling relay that is used to switch heavier voltages. The CF series