Firstly, the Simplex 4903-9217 is a red fire alarm horn strobe with a flash rate of 60 per minute. Also, this rectangular Simplex 4903-9217 notification appliance has an electromechanical horn mechanism, rather than an electronic horn mechanism or a speaker.
Features / Specifications
- 110 Min candela
- 24 VDC as well as 75dB
- 23.5 to 29 Volts
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