NOTIFIER SD-651 Photoelectric Smoke Detector Low Profile Sensor with LED
£82.73
The NOTIFIER SD-651 is a low-profile photoelectric smoke detector with dual LEDs, low current draw, tamper-resistant features, and compatibility with System Sensor 400 Series bases and accessories.
- Description
- Additional information
- Technical Specification
Description
The NOTIFIER SD-651 Photoelectric Smoke Detector is a high-performance, low-profile device designed for early fire detection in commercial and industrial environments. Measuring just 1.66″ in depth, the SD-651 offers reliable smoke detection while maintaining a sleek and unobtrusive design ideal for ceiling installations.
Engineered for compatibility and flexibility, this detector works with a wide range of adapter bases and supports interchangeable photoelectric and ionization sensing heads. It features dual 360° visible LEDs, a built-in test switch, and a removable insect-resistant cover—making it easy to test, clean, and maintain in the field.
Key Features:
- Ultra-low profile design blends seamlessly into modern installations
- Compatible with System Sensor 400 Series mounting bases
- Dual LED indicators offer clear 360° alarm visibility
- Tamper-resistant base design and removable cover for secure installation and maintenance
- Low standby current reduces system power load
- Built-in field test switch and sensitivity metering to comply with NFPA 72
- Sealed sensing chamber with insect screen prevents false alarms
- Certified to UL 268, ULC, and EN-54 standards
Ideal for commercial life safety applications, the NOTIFIER SD-651 delivers robust, efficient smoke detection you can trust.
Additional information
| Weight | 0.30 lbs |
|---|---|
| Dimensions | 4.10 × 2.00 × 4.10 in |
| Manufacturer | Honeywell |
| Brand | Notifier |
| Model No | SD-651 |
| Standby Current | 100 Microamps maximum |
|---|---|
| Sensitivity (Ion) | 1.9% ± 0.62%/ft. |
| Weight | 3.67 oz. (104 g) |
| Size | 1.66″ (4.22 cm) high; unflanged base 4.0″ (10.16 cm) diameter; flanged base 6.2″ (15.75 cm) diameter |
| Construction | Flame-retardant thermoplastic |
| Operating Temperature | 32°F to 120°F (0°C to 49°C) |
| Humidity Range | 10% to 93% RH non-condensing |
