Apollo 55000-845 Zone Monitor
The Apollo 55000-845 XP95 Zone Monitor integrates conventional fire detectors into an addressable loop, featuring a built-in short-circuit isolator for enhanced system safety and reliability in fire detection systems.
Apollo 55000-845 XP95 Zone Monitor with Isolator
The Apollo 55000-845 is a Zone Monitor Unit designed for the XP95 and Discovery fire alarm systems. This versatile input/output device allows a zone of up to 20 conventional fire detectors to be connected to an addressable fire alarm loop. It features a built-in short-circuit isolator, enhancing system integrity and reliability. The unit is ideal for applications where a group of conventional devices needs to be monitored as a single zone, such as in retrofitting or specialized areas. It is powered by the loop and reports the status of the conventional zone—normal, fault, or fire—back to the control panel.
Technical Specifications:
- Model: 55000-845
- Series: XP95
- Loop Voltage: 17-28V DC
- Quiescent Current: 4.5mA + Detector Load
- End-of-Line Resistor: 5.1kΩ
- Alarm Resistance Range: 200Ω to 2.6kΩ
- Standards: EN54-17:2005 & EN54-18:2005

| Brand | Apollo |
|---|---|
| Model | 55000-845 |
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