Notifier FSI-851 Intelligent Photoelectric Smoke Detector for Fire Alarm Systems

£168.30

Availability: 5 in stock SKU: FSI-851 Categories: ,

Notifier FSI-851 is an intelligent, addressable photoelectric smoke detector designed for accurate fire detection and reliable performance in commercial fire alarm systems using FlashScan® or CLIP protocols.

Description

The Notifier FSI-851 is a premium photoelectric smoke detector from the 851 Series, built to deliver advanced fire detection and seamless integration with intelligent fire alarm control panels. Designed for use with FlashScan® and CLIP communication protocols, the FSI-851 offers precise analog addressable capability, allowing accurate identification of detector location during alarm or maintenance.

Its low-profile design houses a high-performance optical sensing chamber that reliably detects smoke from a wide variety of fire types. The FSI-851 supports rotary decimal addressing, dual 360° visible bicolor LEDs, and a built-in test switch for streamlined operation and testing. With tamper-resistant features and compatibility with optional relay, isolator, or sounder bases, this detector is ideal for large-scale commercial or institutional fire safety systems.

Features & Benefits:

  • Intelligent photoelectric smoke detection
  • Addressable analog communication
  • Compatible with FlashScan® and CLIP systems
  • Rotary decimal addressing (1–99 for CLIP, 1–159 for FlashScan)
  • Dual bicolor LEDs provide 360° status visibility
  • Remote test and walk test with address display
  • Low standby current
  • Built-in magnet-activated functional test switch
  • Tamper-resistant design and sealed construction
  • Commercial-grade off-white plastic housing
  • 94-5V flammability-rated material
  • SEMS terminal screws for secure installation
  • Supports optional relay, isolator, or sounder bases
  • Listed to UL 268

Additional information

Weight

0.20 lbs

Dimensions

2.00 in

Manufacturer

Honeywell International

Brand

Notifier

Model No

FSI-851

Sensitivity: 0.5% to 2.5% per foot obscuration
Size: 2.0″ (51 mm) high; base determines diameter.
– B210LP(A): 6.1″ (15.5 cm) diameter.
– B501(A): 4.1″ (10.4 cm) diameter.
– B200S(A): 6.875″ (17.46 cm) diameter.
– B200SR(A): 6.875″ (17.46 cm) diameter.
– B224RB(A): 6.2″ (15.748 cm) diameter.
Shipping Weight: 5.4 oz. (153 g).
Operating Temperature: 0°C to 49°C (32°F to 120°F).
UL/ULC-Listed Velocity Range: ION: 0 – 1200 ft./min.
(365.76 m/min.).
Relative Humidity: 10% – 93% noncondensing.
ELECTRICAL SPECIFICATIONS
Voltage Range: 15 – 32 volts DC peak.
Standby Current (max. avg.): 300 A
LED Current (max.): 6.5 mA @ 24 VDC (“ON”).

Honeywell FSI-851 Intelligent Photoelectric Smoke Detector

Notifier FSI-851 Intelligent Photoelectric Smoke Detector for Fire Alarm Systems

£168.30

In stock

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