The Edwards 278B-2320 is a non-coded, double-action fire alarm station that is UL listed, contemporary-styled Lexan stations. Also, semi flush mounting is available for this device. Furthermore, use a standard North- American 4 inch square box with single gang plaster cover having an overall minimum depth of 2-1/4 inches. The Edwards 278B-2320 features terminals for field wiring connections, as well as the 279B series, use 150mm wire leads for field wiring connections.
All types are available with single or double pole alarm contacts that can be normally open, normally closed or a combination of both. Either a key or tool (depending on the station selected) is required to reset the mechanism. 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.
Features / Specifications
- Double action models
- Single or double pole contacts
- Terminals or wire leads for field connections
- Key lock or tool reset
- Break glass operation
- Surface or semi-flush mounting
- Red finish
- Contemporary styling
- Rugged Lexan construction
- Latch action until reset
- Operating temperature range: 32°F to 120°F (0°C to 49°C)