The System Sensor 2WTA-B represents a sophisticated 2-wire photoelectric smoke detector engineered for comprehensive commercial fire detection environments. Designed for seamless integration with addressable fire alarm control panels, this detector provides reliable smoke sensing capabilities across diverse commercial and institutional settings including office complexes, educational facilities, healthcare environments, and light industrial spaces.
Utilizing advanced photoelectric sensing technology, the 2WTA-B delivers exceptional smoke detection performance by leveraging optical chamber principles that effectively identify smoldering fires and reduce nuisance alarm potential. Its compact design and low-profile aesthetic allows for unobtrusive mounting in suspended ceilings, corridor applications, and general open area protection strategies.
Key Features
- Two-wire addressable protocol compatible with most modern fire alarm control panels
- Precision photoelectric sensing element with enhanced sensitivity to slow, developing fires
- Built-in LED indicator for visual alarm and maintenance status monitoring
- Low standby current consumption (typically <250µA) for extended system reliability
- Wide operating voltage range supporting 15-32 VDC nominal input
- Field-replaceable optical chamber for simplified maintenance and calibration
Specifications
- Operating Voltage: 15-32 VDC
- Standby Current: <250µA
- Alarm Current: Typically 6-10mA
- Temperature Range: 32°F to 100°F (0°C to 38°C)
- Humidity Range: 10-93% non-condensing
Certified to stringent industry standards including UL 268 for smoke detectors, UL 464 for audible signal devices, and compliant with NFPA 72 National Fire Alarm and Signaling Code requirements. Compatible with addressable initiating device circuits on popular fire alarm control platforms from manufacturers like Simplex, Notifier, Edwards, and EST.
Ideal for HVAC system interface, ceiling-mounted protection strategies, and applications requiring precise smoke detection with minimal false alarm potential. Recommended for professional installation by NICET-certified fire alarm technicians following manufacturer guidelines and local building code requirements.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 6 × 6 × 2.5 in |
| Condition | New |
| Manufacturers | System Sensor |
| Part Type | Photoelectric Smoke Detector |
