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0461 Manual Fire Alarm Box Specifications Features . Rugged die cast housing . 14 gauge Plated steel back plate · Single gang mounting . Corrosion resistant construction . 10 Amp 120 V AC contacts · Key locked reset · Screw terminal connections · Optional break glass rod · Latching pull down lever Description The Radionics' D461 Manual Fire Alarm Box is a single action, UL listed fire alarm initiating device. It has one set of normally open contacts rated for 10 Amps at 120 V AC. The D461 has an easily identifiable pull down lever and contains an integral break glass rod carrier. The 0461 is compatible with the following accessory devices: · D463 · D465 · D466 The unit is a high quality manual fire alarm box constructed entirely of non-toxic materials with a low profile and rounded edges to fit most design applications. All components are prepainted or have plated surfaces to inhibit corrosion. Non- corroding screw terminals are provided for wire connections to the D461. The D461 is manufactured in conformance with the standards set forth in the Americans with Disabilities Act. The D461 has a white pull down lever in its center. Pulling down the lever latches it into place. The D461's normally open contact switch is shorted causing an alarm on the fire initiating loop. The pull down lever can not be reset unless the correct key is inserted into the manual fire alarm box lock and the unit is opened. The latching lever can then be restored to its normal position. When the D461 is being reset and has a glass break rod installed, all debris must be removed priorto installing another rod to ensure the unit will close and lock securely. 0461 Manual Fire Alarm Box Application The D461 Manual Fire Alarm Box is an accessory device for Radionics control/communicators and is typically used in fire alarm applications. Manual fire alarm boxes are generally installed near building fire exits such as lobbies or stairways. Persons evacuating the building during an emergency are able to initiate an alarm by pulling down a lever. This alerts others who may still be inside. Schools, factories, offices, and health care facilities are typical applications. The snap lock feature of the D461 prevents the unit from being reset without a key so the origin of the alarm can be more easily determined. The 10 Amp. 120 V AC contact rating allows the D461 to handle larger current loads. This makes the unit an ideal choice for both new installations and retrofits. Installation The Radionics' 0461 Manual Fire Alarm Box is a UL listed fire alarm initiating device. The D461 is installed alone or with other approved mechanical devices on Radionics control/communicators. Manual fire alarm boxes must be installed according to codes set by the authority having jurisdiction. The D461 mounts to a standard flush or surface mounted single gang switch box or plaster ring. Slotted screw holes allow for correct positioning during installation. Two corrosion resistant screw terminals are provided for wire connections. All wiring and installation is subject to the authority having jurisdiction. Install, test and maintain this device according to the Installation Guide, NFPA 72, Local Codes and the Authority Having Jurisdiction. Failure to follow these procedures may result in failure of the device to operate properly. Radionics is not responsible for devices that are improperly installed, tested and maintained. ~ Radonics.