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FFE 50RU, Fireray 50R, 160-foot Reflective Beam Detector
FFE 50RU, Fireray 50R, 160-foot Reflective Beam Detector

FFE 50RU, Fireray 50R, 160-foot Reflective Beam Detector

Manufacturer Part#:50RU
Our Part#:50RU
Stock Status: Ships in 2-3 Days
Retail Price:$603.55
Your Savings:$211.24(35%)
Your Price:$392.31









Feature 5


Feature 7

Product Type:Beam Detector|Input Voltage:12VDC,24VDC|Detection Type:Beam|Connection Type:System|Intended Use:Commercial/Industrial|Battery Backup:No|Interconnect:No|System Type:Conventional



  • Models for ranges of:
    15 ft. to 160 ft. (5m to 50m) - FE-50RU
    160 ft. to 330 ft. (50m to 100m) - FE-100RU
  • Easy set up and alignment
  • Single Compact Housing
  • Calibrated obscuration test filter included
  • 3 selectable alarm thresholds: 25%, 35% or 50%
  • Microprocessor controlled
  • Alarm latching or auto reset
  • Automatic gain control
  • 12 VDC or 24 VDC operation
  • Separate alarm and trouble contacts
  • Remote Test Station


  • UL UROX.S3417
  • ULC UROXC.S3417
  • MEA 70-02-E
  • CSFM 7260-1508:102


Reflective Beam Detector
The system is comprised of a single unit incorporating an infra-red transmitter and receiver. The signal generated in the transmitter element and reflected by the prism back to the receiver element is analyzed for the presence of smoke. The internal microprocessor determines an alarm condition when a predetermined level is reached. The system is designed to be mounted so the beam will project between 1ft. (0.305 m) and 2ft. (0.61m) below and parallel to the ceiling. Lateral detection may be up to 30ft. (9.144m) on either side of the beam, providing a maximum total coverage area of up to 19,800 square feet (60ft. x 330ft. or 18.288m x 100m).

Open areas where ceiling heights exceed 25ft. (Warehouses, Hotel Atriums, Industrial Plants and School Gymnasiums) Public areas where cosmetics are of prime importance and detector heads need to be small and unobtrusive. (Shopping Malls, Libraries, Theaters and Churches)

Reduces installation costs where 6 or more spot detectors are required in a single area. Reduces service time by taking advantage of optional remote test station located at ground level for system test without disruption of the site.

Beam Detector Spacing
On smooth ceilings, up to 60 ft. (18.288m) between projected beams and not more than one-half that spacing between a projected beam and a sidewall. Other spacing may be used depending on ceiling height, airflow characteristics and response requirements. See NFPA 72 for further information.

Operational Specifications

  • Latching / Non Latching Alarm
  • Fault condition (Trouble)
  • 90% or more obscuration (Trouble)
  • Automatic gain control
  • Improper set up alignment (Trouble)
  • Microprocessor Controlled
  • 3 Sensitivity Selections
  • Alarm Indicator?Red LED
  • Trouble Indicator?Amber LED

Engineering Specifications

The reflective beam type smoke detector shall be a 4-wire 12/24 VDC device to be used with a Nationally Recognized Testing Labatory?s Listed separately supplied 4-wire control panel. Unit shall be listed to U.L. 268 and shall consist of an integrated transmitter and receiver. The detector shall operate between a range of 15 ft. to 330 ft. (5m to 100m). The UL Listed temperature range of the beam shall be 32°F to 100°F (0°C to 37.8°C). The beam detector shall feature automatic gain control which will compensate for gradual signal deterioration from dirt accumulation on the lenses. The unit shall include a wall mounting bracket. Testing shall be carried out by using a calibrated obscuration test filter. The Reflective beam type smoke detector shall be a Space Age Electronics, Inc. 50RU (160 ft./50m) or 100RU (330 ft./100m).

Construction Specification

Housing Flame Retardant ABS
IP Rating IP50
Finish Grey/Black
Weight 1.5 lbs (0.68 kg)
Dimensions 8.25" H x 4.5" D x 4.75" W
(21.0cm H x 11.43cm D x 12.065cm W)

Electrical Specification

Primary Input Power 10.2 to 30 VDC
Standby Current 4mA @ 24VDC
Alarm Current15 mA @ 24VDC
Relay Contacts1A at 30 VDC Resistive
Reset Time5 Seconds maximum
Start Up Time (Automatic)10 Seconds
Optical Wavelength:880nm.
Temperature Rating:-22°F to +131°F (-30°C to +55°C)
For UL-Listed Installations: 32°F to 100°F (0°C to 37.8°C)
Relative Humidity:10% to 93% RH non-condensing
Operational Range50RU: 15 - 160 ft (5m to 50m)
100RU: 160 - 330 ft (50m - 100m)
Sensitivity: 25%, 35%, 50%
Dimensions 8.25"H x 4.5" D x 4.75" W
(21.0 cm H x 11.43 cm D x 12.065 cm W)
Unit shipping weight1.5 lbs (0.68 kg).

Manufactured by Fire Fighting Enterprises

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