Potter Electric PE-LFHNWC Low Frequency Ceiling Sounder

Product Description

The Potter Electric Signal Co. US PE-LFHNWC is a low frequency ceiling-mount sounder designed for fire alarm notification systems. Low frequency audible appliances produce a 520 Hz square wave tone, which is the required signal for sleeping area applications under current NFPA 72 code. The PE-LFHNWC is ceiling mounted and intended for installation as part of a supervised fire alarm notification circuit. Licensed fire alarm technicians and life safety contractors are the primary installers of this device.

This sounder is suited for residential and light commercial fire alarm systems where low frequency audible notification is required. Typical applications include sleeping rooms in hotels, dormitories, and residential occupancies where NFPA 72 mandates the 520 Hz tone for occupant alerting. It mounts at the ceiling level to provide broad coverage across the protected space.

Key Features

• Low frequency audible output for code-compliant sleeping area notification per NFPA 72
• Ceiling-mount form factor for broad room coverage
• Designed for integration into supervised fire alarm notification appliance circuits
• Sold as a single unit for straightforward replacement or new installation

Compatibility

Designed as an OEM-style low frequency ceiling sounder for use in compatible supervised fire alarm notification appliance circuits requiring 520 Hz audible output.

Installation Notes

Installation must be performed by a licensed fire alarm technician in accordance with NFPA 72 and applicable local codes. Disconnect and lock out the fire alarm control panel power before wiring or replacing notification appliances. Verify polarity on the notification appliance circuit before restoring power. Do not substitute this device on circuits without confirming the control panel supports the appliance current draw.