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FAQ

What are the electrical ratings and sound output specifications for the Honeywell Morley-IAS MI-WSO-PR-N sounder?

Answer:
The MI-WSO-PR-N operates across a 15 to 29 VDC supply range with a low 120 µA non-isolated standby current. It draws a maximum of 14.5 mA at high volume (Tone 11 at 15V) and produces a peak acoustic output of 99 dB(A) ±3 dB at 1 metre.

The Honeywell Morley-IAS MI-WSO-PR-N is an addressable wall-mounted fire alarm sounder engineered with the following electrical and acoustic ratings:

  • Operating Supply Voltage: 15 to 29 VDC (non-isolation).
  • Standby Current: 120 µA.
  • Maximum Current Consumption: 14.5 mA (High Volume Tone 11 at 15V).
  • Peak Sound Output: 99 dB(A) ±3 dB at 1 metre (High Volume, Tone 8 at 24VDC continuous 970 Hz tone).
  • Tone Profiles: 32 selectable tones with 3 configurable volume output levels (High, Medium, Low).
  • Operating Temperature: -25°C to +70°C.
  • Operating Relative Humidity: Up to 95% RH (non-condensing).