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2D51 - Duct Smoke Detector

General Description

Low-profile photoelectric plug-in detector (order the base listed below) 120 VAC detector base 4-wire photoelectric power board component only, 24 VAC/DC, 120 VAC Remote test station Remote test station with key lock Remote annunciator with Piezo alarm Multi-signaling accessory Remote annunciator al

Key Features

  • for 2D51/B210LP/D4P120.
  • Low-profile smoke detector design.
  • Low standby current.
  • Two LEDs blink in standby.
  • Detector head plugs easily into base.
  • Built-in test switch.
  • F  ield sensitivity metering of detector to meet the requirements of NFPA 72 with the use of RTS2/RTS2-AOS and SENS-RDR.
  • Designed for mounting on a standard electrical box.
  • SEMS screws for easy wiring and positive wire retention.
  • Removable co.

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Datasheet Details

Part number 2D51
Manufacturer System Sensor
File Size 657.65 KB
Description Duct Smoke Detector
Datasheet download datasheet 2D51 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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2D51 Duct Smoke Detector for Special Applications The System Sensor 2D51 low-profile photoelectric smoke detector with a B210LP base tied to the D4P120 is listed to Underwriters Laboratories 268A specifically for use in no-flow/low-flow air-handling systems.