Stations are equipped with a 2 1/2" (64mm) diameter loudspeaker to deliver clear voice and signal transmission while the phenolic resin impregnated, moisture-proof cloth cone provides durable performance. The VPCS Series includes two die-cast baffles to protect the loudspeaker assembly from vandalism. The Series is available with a 25V transformer providing 1/4, 1/2, 1, and 2 watt taps or as a 45Ω configuration. Model numbers indicating "PB" include a vandal-proof push-button call switch for installation where call origination is a required function or a desired adjunct to security. "PB" models feature a heavy-duty, momentary action push-button with a 3A at 120VAC/1.5A at 250V AC contact rating, mounted to an 11-gauge stainless steel face plate. The face plate mounts standard 2 and/or 3-gang E.O. boxes with any counter sunk 6-32" mounting screw. Lead wires are 5" (127mm). Switch is single pole, single throw, normally open. Pushbutton assembly is constructed of nickel plated brass and sealed against moisture with a classification of IP65. VPB-1A is a vandal-resistant pushswitch intercom accessory mounted to a single gang size stainless steel plate. Utilize assembly in conjunction with VPCS 2- and 3-gang stations or as a stand alone signaling device when a separate or remotely located call origination button is desired.