Simplex Optical Smoke Detector (Models 4098-5601 & 4098-5603)

Simplex Photoelectric Smoke Detectors (4098-5601 & 4098-5603)

The Simplex 4098-5601 and 4098-5603 detectors utilize TrueAlarm technology with a built-in microprocessor to analyze optical chamber signals, providing intelligent smoke detection while reducing false alarms.

Key Features

• Photoelectric Sensing:
  Detects smoke using light-scattering technology, highly effective in identifying slow, smoldering fires.

• TrueAlarm Drift Compensation:
  Integrated microprocessor continuously monitors and automatically adjusts detector sensitivity over time, minimizing nuisance alarms caused by dust or aging.

• Compact, Low-Profile Design:
  Optimized smoke entry ports enhance detection, while the slim housing makes the detector less obtrusive when ceiling-mounted.

• LED Status Indicator:
  Clearly displays normal, trouble, or alarm conditions through a built-in LED.

• Flexible System Compatibility:
  Works with both 2-wire and 4-wire circuits, fully compatible with existing Simplex fire alarm control panels.

Technical Specifications

• Operating Voltage (2-wire): 10.5 – 33 V DC

• Rated Voltage (4-wire): 15 – 32 V DC

• Standby Current: < 70 µA

• Alarm Current: Up to ~64 mA @ 30 V, ~33 mA @ 20 V, ~14.5 mA @ 12 V

• Air Velocity Range: 0–2000 ft/min (0–610 m/min)

• Operating Temperature: ~0°C – 38°C (32°F – 100.4°F); some references note -9°C – 50°C

• Humidity Range: 10–95% RH (non-condensing)

• Dimensions: ~124 mm diameter × 48 mm height (with base)

Certifications & Compatibility

• UL Listed (U.S.) – Model 4098-5601 complies with UL fire safety standards.

• ULC Listed (Canada) – Model 4098-5603 certified for use in Canada.

• Replacement Option – Can be used as a direct replacement for older models such as 4098-9601.