NOTIFIER SD-651 Photoelectric Smoke Detector Low Profile Sensor with LED

£82.73

Availability: 5 in stock SKU: Notifier SD-651 Categories: , Brand:

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

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 noncondensing.
NOTIFIER SD-651 Photoelectric Smoke Detector

NOTIFIER SD-651 Photoelectric Smoke Detector Low Profile Sensor with LED

£82.73

In stock

Related Products