With the Exceder LED 520 Hz low frequency sounder line, organizations can now meet both sleeping room codes – NFPA 720 and NFPA 72 - with one device, which features two different sound patterns, T4 for CO and T3 for fire detection. The low frequency sounders can replace a facility’s existing appliances, utilizing the same single pair of wires that are currently installed, offering a simple retrofit to meet new codes for sleeping rooms.
The Exceder LED low frequency sounders feature multiple 520 Hz modes of operation: T3, T4, Continuous, and T3/T4. When the device is set to T3/T4, the appliance can switch from T3 to T4 based upon the condition sensed by the fire alarm control panel.
Like the entire Wheelock Exceder LED product line, the LFHNK models feature one of the industry’s smallest footprints and a sleek, modern, low-profile design.
LFHNKR Specifications PDF
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