WPVT-FN/WPVT-SN series are flush- and surface-mounting, weather-resistant, electroacoustic
signaling devices respectively. They are ruggedly constructed to withstand moisture,
corrosion, dust, vibration, and temperature extremes from -30° to 150° F.
Stations include high-intelligibility, environment-resistant compression driver, choice of semirecessed
enclosure or flush face plate, a variety of mounting accessories, and a weatherresistant
call button for protected call-in signalling capability. Stations are available in 15 or 2
watt versions with optional 25 volt transformer. The 8 ohm compression driver is the patented
VT series model with water-sealed, die-cast zinc construction and integral, exponential sound
projector to provide clear audibility. Call switch is a momentary-action, heavy-duty push button
with a contact rating of 3 amps. The call button has a SPDT-type switch which is protected by
a weather-resistant rubber boot to provide durable and safe operation in outdoor and high
WPVT-SN series are compact assemblies size 41/4" SQ x 31/8" D (108 x 79mm) which are
designed for semi-recessed installation. WPVT-FN series are attractively designed face plates
size 6" SQ x 33/16" D (152 x 81mm) for flush installations. Both styles will accept a variety of
mounting accessories to meet varying installation requirements (see back page). Enclosures
and face plate are die-cast construction finished in neutral grey epoxy.