NOTIFIER FST-951 Thermal Heat Detector – Low Profile, Fixed Temp, Rate-of-Rise

Description

The NOTIFIER FST-951 Series Intelligent Thermal Detectors are the next-generation replacement for the FST-851, combining advanced thermal sensing with modern aesthetics. Designed to meet the demands of both system functionality and building design, these detectors deliver dependable protection against heat-related fire events in commercial and industrial environments.

Available in three models—135°F fixed-temperature, rate-of-rise, and 190°F high-temperature—the FST-951 series provides flexible thermal detection for a variety of applications. Whether used in areas prone to rapid temperature changes or high ambient heat, each model is engineered for precise, addressable performance.

The detectors operate on a two-wire SLC loop, communicate via analog protocols, and are compatible with FlashScan® and CLIP systems. Each unit features rotary decimal address switches for pinpointing detector locations and dual 360° LEDs that flash green during polling and glow red in alarm.

Key Features:

• Compatible with FlashScan® and CLIP fire alarm systems
• Three models: 135°F fixed-temp, rate-of-rise, and 190°F high-temp
• Modern low-profile design to blend with any architecture
• Rotary address switches for easy ID configuration
• Dual bicolor LEDs provide 360° visibility
• SLC loop-powered (two-wire connection)
• Built-in tamper resistance and test switch
• Low standby current for energy-efficient operation
• Backward-compatible with FST-851 bases
• UL Listed for safety compliance

The NOTIFIER FST-951 delivers smart, stylish, and scalable thermal protection. Whether you’re upgrading from legacy detectors or designing a new system, this series offers a reliable solution for property fire safety.