Siemens DO1131A Optical Smoke Detector | Cerberus Fire Safety

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General Description

The Siemens DO1131A is an advanced, high-reliability optical smoke detector engineered for Siemens fire alarm and safety systems. Designed for early and accurate fire detection, this detector utilizes state-of-the-art sensing technology to minimize false alarms while ensuring rapid response times in commercial, industrial, and institutional environments. It integrates seamlessly with Siemens fire control panels via the system loop.

Technical Specifications

• Product Type: Optical Smoke Detector / Fire Sensor

• Model / Part Number: DO1131A

• Detection Technology: Photoelectric / Optical Smoke Sensing

• Operating Voltage: Powered via fire alarm control panel loop (DC Loop Voltage)

• Compatibility: Siemens Cerberus / Sinteso / compatible fire alarm control panels

• Indicator: Built-in Alarm LED (for local visual status indication)

• Operating Temperature: -10°C to +55°C (14°F to 131°F)

• Storage Temperature: -20°C to +75°C

• Housing Material: Flame-retardant, rugged thermoplastic

• Color: White (Standard Siemens fire safety finish)

• Mounting Type: Twist-on base mounting (compatible with standard detector bases)

Key Features & Advantages

• Advanced Optical Detection: Employs a high-performance optical sensing chamber to detect smoke particles from smoldering and flaming fires at the earliest stage.

• False Alarm Immunity: Sophisticated signal processing filters out ambient disturbances such as dust, steam, and minor environmental interference.

• Built-in Status LED: Provides clear 360-degree local visual confirmation during normal operation and alarm states.

• Plug-and-Play Integration: Connects directly to Siemens fire system loops with automatic addressability and easy installation.

• Durable & Reliable: Built with high-grade, flame-retardant materials designed for long-term continuous operation in critical infrastructure.

Industrial & Commercial Applications

• Commercial Office Buildings & Shopping Malls

• IT Data Centers & Server Rooms

• Industrial Manufacturing Plants & Warehouses

• Educational Institutions, Hospitals, and Public Facilities

• Hotels and Residential Complexes

Installation & Setup Guide

• Base Mounting: Secure the compatible detector base to the ceiling or junction box using standard screws.

• Loop Wiring: Connect the loop communication wires to the designated terminals on the base, ensuring correct polarity.

• Detector Head Installation: Align the DO1131A detector head with the base and twist clockwise until it clicks securely into place.

• System Testing: Perform a functional test using a designated test magnet or aerosol smoke tester to verify panel response.

Related Siemens Fire Safety Sourcing Options

• Siemens DO1101A-EX: Explosion-proof optical smoke detector variant

• Siemens FDCI0221: Input/output module for fire control loops

• Siemens FDA241-CN: High-sensitivity aspirating smoke detector

• Standard Detector Bases: Compatible mounting bases for Siemens fire detectors

Why Choose YMZDCS?

We provide high-precision industrial components from Honeywell, Siemens, Emerson, ABB, and Yokogawa.

Why partner with us?

Accuracy: We verify every specification to prevent costly procurement errors.

Reliability: We ensure authentic, high-quality sourcing for your critical systems.

Global Logistics: We handle complex documentation and safe delivery from Xiamen.

Proactive Service: We go beyond sales to support your operational success.

Professional sourcing, simplified.

Read our comprehensive guide on Siemens output modules 

For the previous part, please refer to the link: Siemens DO1152A