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Photoelectric Multisensing Technology SD269 Series optical smoke detectors and multisensors

SD Series optical smoke detectors are engineered to meet strict ULfire safety codes and effectively respond to a wide spectrum of fires. The SD series multisensors use Photoelectric Technology in conjunction with a fixed temperature heat sensor to further extend its capabilities as reliable smoke detector. SD series detectors are manufactured and tested according to ISO9001:2008 procedures. 

Approvals 

UL268

The Range 

SD-168

4-wire optical multisensor (smoke+heat)

SD-169

4-wire optical smoke detector

SD-268

2-wire optical multisensor (smoke+heat)

SD-269

2-wire optical smoke detector

SD-268L

2-wire optical multisensor (smoke+heat) with remote LED indicator output

SD-269L

2-wire optical smoke detector with remote LED indicator output

 

Features and Benefits

  • Photoelectric smoke sensing technology
  • Multisensor is used for a wide range of applications and is highly immune to false alarms
  • Durable sensor head; excellent smoke access
  • N/C (normal/close)-N/O (normal/open) selectable relay output
  • Easy installation and maintenance
  • Attractive sleek housing (white color)
  • Five-year limited warranty

Available Options

  • Remote LED
  • UL Multiple Listing service available

Specification 

Model

2/4 Wire

Thermal

Volt. DC

Standby Current (Max)

Alarm Current (Max)

Surge Current (Max)

Startup Time (Max)

Permis. Current (Max)

Freq.

Alarm Contact

Base Model

SD-168

4

135°F (57°C)

12/24V

370µA

35mA

-

60 sec

80 mA

3~5 sec

Form A

P/N854001

SD-169

4

-

12/24V

370µA

35mA

-

60 sec

80 mA

3~5 sec

Form A

P/N854001

SD-268

2

135°F (57°C)

12/28V

150µA

70mA

160µA

60 sec

80 mA

3~5 sec

-

P/N852001

SD-269

2

-

12/28V

150µA

70mA

160µA

60 sec

80 mA

3~5 sec

-

P/N852001

SD-268L

2

135°F (57°C)

12/28V

150µA

70mA

160µA

60 sec

80 mA

3~5 sec

-

P/N854001

SD-269L

2

-

12/28V

150µA

70mA

160µA

60 sec

80 mA

3~5 sec

-

P/N854001

 

Smoke Sensitivity

2.66+/- 1.11% FT Obscuration (UL standard)

Detection Range

50 foot rating for heat sensor

Start-Up Current

380 µA Maximum

Alarm Impedance

For 2-wire models: 150Ω+3V max; 620Ω+3V max (red LED open circuit)

Reset Voltage

Less than 1 volt

Reset Time

Less than 1 sec

Alarm Indicator

Continuously emitting red light

Temperature range

-10°C to 50°C

Remote Output

15 mA max, diode gate

Humidity

0 to 95% RH, noncondensing

Alarm Contact

For 4-wire: N/O or N/C Operation

 

Form A: 1.0A@30VDC/0.5A@125VAC

Dimensions

100mm (dia) x 46mm (ht) with base

Weight

130g/set with base

 

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