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AUDIBLE/VISIBLE
NOTIFICATION
SpectrAlert(R) Dual Strobe Notification Appliances
Models Available White Housing DS2475WAR Red Housing DS2475RAR
DS2475WAR DS2475RAR
Accessories White Housing BBS-DSW Red Housing BBS-DSR
Product Overview Two visible signals for multiple applications from one device Meets unique applications where combinations of amber and red lens colors are required Strobes may be powered over a two or four wire circuit 75 candela output per UL 1638 Low current draw Mounts to single gang and four square back boxes Field-reversible strobes for left- or rightmounting Multiple labeling options included System Sensor's SpectrAlert Dual Strobe notification appliance is designed to accommodate unique signaling applications where two stage notification is required. Flexibility. The SpectrAlert Dual Strobe line incorporates two visible notification
appliances, to accommodate those applications where a two stage alarm system or two distinct visible signals are required. Available in white or red housings and a variety of colored lens options, SpectrAlert Dual Strobes allow a user to customize visible notification for both fire and non-fire applications including pre-action alarms, security, tornado alert, evacuation, etc.
Performance. Based upon the principles of the original SpectrAlert wall mount
strobes, the Dual Strobe models operate at 24 volts, and provide 75 candela output per UL 1638. The strobes may either be powered in tandem over a two wire circuit or independently over a four wire circuit.
Installation. Like all SpectrAlerts, the Dual Strobes offer installation ease and
flexibility. These models are typically mounted to a single gang back box. Using the mounting bracket provided, four square back box mounting is also accommodated.
Customization. SpectrAlert Dual Strobes provide the flexibility to customize the
product in the field. If desired, the strobe modules can be field-reversed, for left or right-mounting of each colored strobe. Multiple labeling options are provided, including FIRE, ALERT, EVAC and EVACUATE, to designate the specific function for each strobe.
Engineering Specification
Dual strobe shall be a System Sensor SpectrAlert model ________ listed to UL 1638 for fire protective signaling systems. Strobes shall have an operating temperature between 32F and 120F. Strobes shall have the option of being powered over a two or four wire circuit. When powered over two wires, strobes shall be activated by reversing the circuit's polarity. When powered over four wires, the factory installed jumpers must be removed. Strobes shall operate at 24VDC, with a UL range rating of 20 to 30VDC. Actual operating voltage must be between 16 and 33 VDC. Strobes shall be available in a lens color combination of amber and red and shall have a minimum light output of 75 candela. Strobes shall be UL 1638 listed.
Specifications Input Terminals 12 to 18 AWG Operating Voltages 24VDC and FWR unfiltered Operating Temperature Range 32F - 120F (0C - 49C) Operating Voltage Range 20-30V
UL tests functional integrity to -20% to +10% of manufacturer's stated ranges
Dimensions 5" x 7 1/2" x 2 1/2" (12.7cm x 19 cm x 6.4 cm) Weight 11/4 lbs. (0.6 kg)
Mounting Options 4" x 4" x 1 1/2" back box, 2" x 4" x 1 7/8" single gang box, Direct wall mount
Current Draw Per Strobe
Average Current (mA) 24V Models 20V DC 169 FWR 220 DC 140 24V FWR 191 DC 115 30V FWR 174 DC 460 Peak Current (mA) 24V Models 20V FWR 560 DC 450 24V FWR 570 DC 420 30V FWR 620 DC 190 In Rush Current (mA) 24V Models 20V FWR 230 DC 220 24V FWR 290 DC 290 30V FWR 370
SpectrAlert Dual Strobe Ordering Information White Housing Model DS2475WAR BBS-DSW Red Housing Model DS2475RAR BBS-DSR Description Amber/Red lenses Sur face mount back box skir t Voltage 24 Candela 75
System Sensor Sales and Service
System Sensor Headquarters 3825 Ohio Avenue St. Charles, IL 60174 Ph: 800/SENSOR2 Fx: 630/377-6495 Documents-on-Demand 800/736-7672 x3 www.systemsensor.com System Sensor Canada Ph: 905.812.0767 Fx: 905.812.0771 System Sensor Europe Ph: 44.1403.276500 Fx: 44.1403.276501 System Sensor in China Ph: 86.29.524.6253 Fx: 86.29.524.6259 System Sensor in Singapore Ph: 65.6273.2230 Fx: 65.6273.2610 System Sensor - Far East Ph: 85.22.191.9003 Fx: 85.22.736.6580 System Sensor - Australia Ph: 613.54.281.142 Fx: 613.54.281.172 System Sensor - India Ph: 91.124.637.1770 x.2700 Fx: 91.124.637.3118
(c) 2002 System Sensor. The company reserves the right to change product specifications without notice.
A05-0273-001*6/02*#956

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