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The Edwards Cat. No. 278B series non-coded fire alarm stations are contemporary styled Lexan stations and are flexibly designed to meet a wide variety of application requirements and operational sequences. The Cat. No. 278B-1120 is a double action station with terminals for field wiring connections. It is single pole, open circuit and has a key operated reset. Where a manual station is installed on a circuit that also includes smoke detectors, a resistor can be added in series with the alarm initiating contacts on the station so the operation of the station does not extinguish alarm LEDs on operated detectors. For semi flush mounting, use a standard North American 4 inch square box with single gang plaster cover having an overall minimum depth of 2 1/4 inches (57 mm). For surface mounting, use a Cat. No. 276B-RSB surface back box.

Edwards Signaling, K-278B-1120, Manual Pull Station, Double Action, 1 Stage, Key Reset

278b-1120-manual-pull-station-double-action-1-stage-key-reset

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