The Mircom SD-4WP 4-wire photoelectric smoke detector represents a critical life safety solution for professional fire alarm installations across diverse commercial environments. Engineered for precision detection and reliable performance, this 24VDC detector provides comprehensive smoke sensing capabilities compatible with most addressable fire alarm control panels and intelligent notification systems.
Designed for seamless integration into complex fire detection networks, the SD-4WP leverages advanced photoelectric sensing technology to detect smoldering fires and obscuration events with exceptional accuracy. Its robust construction and sophisticated optical chamber enable early-stage smoke detection in challenging commercial settings such as office buildings, healthcare facilities, educational campuses, and industrial complexes.
Key Features
- Four-wire 24VDC photoelectric smoke detection with enhanced sensitivity
- Compatible with most addressable fire alarm panels and conventional circuits
- UL 268 listed for comprehensive performance standards compliance
- Low-profile design minimizes aesthetic interference in finished architectural spaces
- Built-in LED indicator for visual status confirmation during installation and testing
- Operates effectively across temperature ranges from 32°F to 100°F
Technical Specifications
- Operating Voltage: 24VDC nominal
- Current Draw: Standby 75µA, Alarm 30mA
- Base Compatibility: Standard 4-inch mounting bases
- Dimensions: 6.0″ diameter, 2.0″ height
- Weight: Approximately 5.5 oz
Compliant with NFPA 72 National Fire Alarm and Signaling Code requirements, the Mircom SD-4WP integrates seamlessly with comprehensive fire detection systems. Ideal for HVAC monitoring, electrical rooms, data centers, and other mission-critical environments requiring rapid, reliable smoke detection.
Standards and Certifications
- UL 268 – Smoke Detectors for Fire Protective Signaling Systems
- UL 464 – Audible Signaling Devices
- NFPA 72 Fire Alarm and Signaling Code
- ADA Accessibility Guidelines
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 1.07 lbs |
|---|---|
| Dimensions | 2 × 3 × 4.6 in |
| Condition | New |
| Manufacturers | Mircom |
| Part Type | Replacement Part |







