Siemens (Pyro) ZAM-180

The Siemens ZAM-180 is a 180-watt zone-amplifier module built for Cerberus PRO Modular fire alarm systems (FireFinder XLS), providing local audio amplification for a voice-evacuation speaker zone. Audio level is field-selectable between 25VRMS (150W) and 70VRMS (180W), and the module receives its program audio over the panel's digital audio bus, supporting up to eight digital audio channels with one sub-address on the Model DAC.

Key Features

• Field-selectable 150W (25VRMS) or 180W (70VRMS) output on a single speaker zone
• Internal amplifier supervision with automatic backup amplification on fault
• Degrade-mode "Slow Whoop" tone as a secondary signal if primary tone generation fails
• Local audio input with external contact activation, treated as the lowest-priority signal source
• Supports Style Y or Z speaker-zone wiring, including split A/B zone wiring on Style Y

Technical Specifications

• Output: 150W at 25VRMS or 180W at 70VRMS (field-selectable)
• Digital audio bus interface: up to 8 digital audio channels
• Speaker line supervision for open, short, and ground-fault conditions in both active and inactive states
• Mounting: one module space, directly on back box or optional CAB-MP mounting plate
• Operating temperature: -4°F to 122°F (-20°C to 50°C); humidity up to 93% at 32°C

Certifications

• UL 864 9th Edition Listed and ULC/CAN S576 Listed
• Meets UL 464 requirement for 520Hz low-frequency signal tone
• CSFM and FDNY (New York City Fire Department) approved