MODEL 350
Vibratone® Electro-Mechanical Horn
Installation and Maintenance
Instructions
Limited Warranty: This product’s limited warranty
can be found at www.fedsig.com/SSG-Warranty.
Messages to Installers and Users This product
should be installed to code by a licensed electrician
and follow all safety instructions. Failure to do so
may result in property damage, serious injury, or
death.
• Read and understand instructions before
installing or operating the equipment.
• SHOCK HAZARD - To avoid electrical shock
hazards, do not connect wires when power is
applied.
• Optimum sound distribution will be severely
reduced if any objects are in front of the horn.
Ensure that the front of the horn is clear of any
obstructions.
• All effective warning sounders produce loud
sounds that may cause, in certain situations,
permanent hearing loss. Take appropriate
precautions, such as hearing protection. The
device should be installed far enough away
from potential listeners to limit their exposure
while still maintaining its effectiveness. The
OSHA Code of Federal Regulations 1910.95
Noise Standard provides guidelines that may
be used regarding permissible noise exposure
levels.
• After installation, test the system to ensure
that it is operating properly.
Overview: The Model 350 horn is a very loud
electro-mechanical device that produces a horn
tone by vibration of a diaphragm. This horn is
capable or reproducing coded blasts or sustained
tone. The horn has a duty cycle of five minutes on,
five minutes off.
Unpacking the Device: After unpacking the device,
examine it for damage and verify the parts. See
Table 1 for the Carton Contents List. If a part is
missing or appears damaged, do not attempt to
install. Contact Federal Signal Customer Support at
+1 708-587-3587 or iordersup@fedsig.com.
Table 1 Carton Contents List
Qty
Description
1
350 Horn
2
8-32 x 1-5/8" oval head screws
2
10-32 x 5/8" oval head tapping screws
1
10-32 x 3/8" hex head tapping screw
1
10-32 x 3/8" hex socket head set screw
Mounting the Device
The horn may be directly mounted to a standard
4-inch square electrical box or may be mounted
using various Federal Signal accessories
(purchased separately).
Outlet Box Mounting
To mount the horn to a wall or other flat vertical
surface:
1. Mount a 4-inch square electrical box to the
mounting surface with appropriate user
supplied hardware.
2. Connect the wires per the Electrical
Connections section below.
3. Mount the horn to the box using the two 8-32
by 1-5/8-inch screws provided.
4. Install the two 10-32 by 5/8-inch tapping
screws into the two unused screw openings
on the horn. See Figure 1.
