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SIEMENS OP121 Conventional Optical Detector Photoelectric Smoke Magnet Test Twst-Lock

by SIEMENS
Original price $65.49 - Original price $65.49
Original price
$65.49
$65.49 - $65.49
Current price $65.49
Availability:
In stock

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The microprocessor-controlled, self-diagnostic circuitry contained in the Siemens photoelectric (conventional) smoke detector, Model OP121, eliminates an installer’s need of using burdensome sensitivity-test equipment. The Model OP121 auto-sensitivity feature originates from its internal, self-monitoring circuitry, providing dynamic verification of sensitivity and / or required maintenance.

This detector-type is commonly found on the following Siemens - Fire Safety fire alarm control panels: TXR-320, System 3 and SXL. Model OP121 contains a magnet-test feature, and has optional relay and sounder bases.

Specifications:

Manufacturer Siemens Industry, Inc.
Brand Siemens
Condition New
Unit of Measurement EA (Each)
Type Smoke Detector
Weight 0.3 lbs
Weight 0.3 lbs
Dimensions 2.00 × 4.00 × 4.00 in
Style Plug-In
Detection Method Photoelectric
Test Method Magnet
Voltage Range 16 – 27 VDC
Compatibility TXR-320

Features:

  • Magnet-test feature
  • Incorporates one (1) state-of-the-art chamber for rapid, uniform response to alarm criteria (i.e. – smoke)
  • Automatic sensitivity test without the need for a special tester (per NFPA 72)
  • Available optional sounder base, providing an alert and evacuation signal
  • UL 268 Listed [for open-area protection], UL 268A Listed [for direct in-duct use], ULC 529 Listed; FM, CSFM Approved

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