Siemens ZN-31U System 3 Fire Alarm Dual Zone Module
Siemens ZN-31U System 3 Fire Alarm Dual Zone Module
Condition: Used
Low stock: 1 left
Storewide Quantity discount: Save 5% on 2 items, 8% on 3 items, and 10% on 4+ items (applies automatically at checkout).
Couldn't load pickup availability
You will be prompted to create an account or sign in to complete your purchase.
As an eBay Partner, we may be compensated if you make a purchase.
Siemens ZN-31U System 3 Fire Alarm Dual Zone Module - The Siemens ZN-31U serves as a specialized dual-zone detection module engineered for seamless integration within the robust System 3 fire alarm architecture. This component provides critical monitoring capabilities to maintain facility safety standards across multiple protected areas. - 2 detection zones supported - 24V DC operating voltage - 0.5A alarm current capacity - 0.05A standby current rating - 0 to 49 degrees Celsius operating range
Compared to legacy detection modules, the ZN-31U offers enhanced signal stability and improved circuit monitoring precision, ensuring more reliable performance in demanding fire-safety environments. This unit effectively addresses the limitations found in older notification hardware by providing a more streamlined interface for zone-specific fire detection and reporting.
Advanced Circuit Integration and Performance
Engineered for high-reliability fire suppression support, this module utilizes sophisticated logic to distinguish between zone events, minimizing the risk of false alarms while maximizing response accuracy. The dual-zone configuration allows building managers to partition their facility protection more effectively, resulting in faster identification of potential hazards during a critical event.
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.
View full details

About us
We specialize in new, used, and surplus fire alarm and life-safety equipment. Our inventory includes control panels, modules, power supplies, annunciators, detectors, and related accessories from leading manufacturers. Listings reflect current, in-stock availability and are updated regularly. Orders ship quickly and are packed with care.
For additional details, please review our Terms of Service, Shipping Policy and Refund Policy before placing your order. Please contact us with any questions.