2151 SYSTEM SENSOR

Product Overview

The System Sensor 2151 low-profile photoelectronic detector features a state-of-the-art optical sensing chamber and is designed for open-area smoke detection with compatible UL listed control panels. Its plug-in design supports multiple specialized bases, allowing flexible installation, including pendant mounting in no-flow or low-flow air-handling systems. When used with the B114LP or B114LPBT base, it is ideal for duct applications with air velocities below 500 fpm and duct sizes as small as 8 inches. The twist-in/twist-out head design enables fast removal for cleaning and maintenance.

Key Features

• Sleek, low-profile design
• Compatible with 400 Series products
• Two LEDs blink in standby for 360° visibility
• Plug-in detector head for easy installation and servicing
• Field sensitivity metering capability with SENS-RDR to meet NFPA 72 requirements
• Designed for mounting on a standard electrical box
• Removable cover and insect screen for easy field cleaning
• Accepts 24V or 120V supply voltage