Siemens OH921 S54320-F6-A2 Smoke Detector - DPU Tested - Free Programming!
Siemens OH921 S54320-F6-A2 Smoke Detector - DPU Tested - Free Programming!
Condition: Used
Please send us an eBay message if you would like this device programmed via DPU before it is sent to you. [Standard Used Item Notes] This item is USED. Only the components visible in the photographs or explicitly mentioned in the listing are included. Peripheral accessories (such as keys, bases, mounting hardware, etc.) are not included unless otherwise stated. The item in the photograph may not be the exact one you receive; however, we strive to portray the average condition of all items accurately. Please carefully review this listing and its photos to assess the condition and contents. If you have any questions or require additional details, feel free to message us, and we will be happy to assist you.
11 in stock
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Siemens OH921 Smoke Detector - Fire Alarm Safety Device The Siemens OH921 is a high-performance, DPU-tested smoke detection unit engineered for reliable fire safety and early warning monitoring. - Operating voltage: 16–30 VDC - Detection type: Multi-criteria optical/heat sensing - Testing status: Factory DPU certified - Installation: Compatible with standard Siemens addressable bases - Service: Includes complimentary professional programming
This advanced sensor improves upon previous detection generations by utilizing sophisticated multi-criteria sensing technology to significantly reduce false alarms while increasing sensitivity to smoldering fires. Unlike legacy models, the OH921 integrates seamlessly into modern addressable fire alarm control panels, offering superior stability and faster response times in complex environments.
Innovative Detection Capabilities and System Performance
Engineered for mission-critical fire safety, the Siemens OH921 utilizes a refined optical chamber that distinguishes between hazardous smoke and common environmental dust or steam. This precision, combined with internal heat-sensing elements, ensures that your life-safety system remains both highly reactive during emergencies and exceptionally resilient against nuisance triggers. By choosing this DPU-tested model, you secure a verified, high-functioning component ready for rapid deployment in professional fire suppression infrastructures.
This item description was generated using artificial intelligence and may contain errors. Specifications and compatibility should always be verified using official manufacturer documentation and, where applicable, by a qualified or licensed fire alarm technician.
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