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Optex 350 Feet Range Battery Powered Photoelectric Detector

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This battery powered photoelectric detector by Optex offers a less expensive and more efficient solution with quad high powered beams that covers a range of 350 feet.
Brand: Optex
Part Number: SL-350QFR

Availability: More than 5 in stock

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Regular Price: $835.71

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Optex offers a less expensive and more efficient solution with SL-350QFR/SL-350QNR. Typical perimeter systems require expensive trenching or much time for installation. Expensive wire conduit runs and concrete work is unnecessary, allowing installers to save time and money.


  • Battery-operated detector
    - Battery life: Transmitter Approx. 4 years (2 in the transmitter), Receiver Approx. 5 years (2 in the receiver)
    (when using LSH20 (3.6V, 13Ah) batteries manufactures by SAFT)
    - Up to 8 batteries (4 in the transmitter, 4 in the receiver)
    (normal operation requires 2 batteries)
    - Battery saving function
    - Intermittent output function
    - Spacious back bck box for numerous wireless transmitter
  • Quad high power beams
  • Smart design
    - Slim body design
    - Easy-to-see vivit interior color for optical alignment
    - IP65 waterproof structure
  • 4 channel beam frequency selector (SL-350QFR only)
  • Viewfinder with 2X magnification
  • Beam interruption adjustment function
  • D.Q. circuit (environmental disqualification)
  • Tamper function
  • LED indicator for an easy alignment
  • Various options (refer to page 12)
    ( ABC-4, BC-4, BCU-4, PSC-4, SBU-4, BAU-4, EC-4 )

Transmitter Compatibility

Visonic - MCT302
DSC - WS4945
Ademco - 5816WMWH, 5816MN
ITI - 60-362-10-319.5
Caddx - NX-650
Rokonet - RWT72M43300C

Requires 4 (2 for Transmitter, 2 for Receiver)

Additional Info

Additional Info

Part Number SL-350QFR
What's in the box (1) Optex 350 Feet Range Battery Powered Photoelectric Detector


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Model SL-350QFR SL-350QNR
Maximum detection range 100 m/350 ft.
Maximum arrival distance 1000 m/3500 ft.
Detection method Quad infrared beam interruption detection
Selectable beam frequency 4 channels -
Interruption time Variable between 50/100/250/500 ms (4 steps)
Power source Recommend: 3.6 V, 13.0Ah
LSH20 lithium batteries manufactured by SAFT
Operating range: 3.2 V - 4.0 V lithium batteries
Transmitter: 2 or 4 units, Receiver: 2 or 4 units
Current draw 745µA
Transmitter: 420 µA + Receiver: 325 µA (at 25°C, 3.6 VDC)
Battery life * ** Transmitter: Approx. 4 years
Receiver: Approx. 5 years
Output Alarm output Form C-Solid State Switch: 3.6 VDC, 0.01 A
Alarm period 2 sec (±1) (Nominal)
D.Q. output Form C-Solid State Switch: 3.6 VDC, 0.01 A
(Receiver only)
Low battery output N.C. (mechanical switch): 3.6 VDC, 0.01 A
Tamper output
(cover, back box,
main unit)
N.C. (contact output): 3.6 VDC, 0.01 A
Opens when cover, main unit or back box is removed.
Indicator Alarm Indicator
Alarm: ON
Light receiving: OFF
Level indicator
Not Light receiving: OFF
Light receiving: Flickering or OFF
Power ON: ON,
Power OFF: OFF
Low battery Voltage reduction: Flickering
Operating temperature -20°C - +60°C (-40°F - 140°F)
Operating humidity 95 % (max.)
Alignment angle ±90° Horizontal, ±10° Vertical
Dimension H x W x D mm(inch):
452 (17.9) x 83 (3.3) x 138 (5.4)
Weight 3300 g (Total weight of Transmitter +
Receiver, excluding accessories)
International protection IP65