Product Description
The System Sensor APA151 is a remote annunciator featuring piezo technology, designed to provide both audible and visual alarms for enhanced safety in HVAC applications. This model is intended for use with 4-wire conventional duct smoke detectors.
- Features a loud piezo alarm and dual-LED indicators.
- Green LED shows power status, while red LED alerts to any alarm condition.
- Does not require a system control panel, making it ideal for standalone applications.
Product Highlights
This annunciator is a direct replacement for the APA451, offering a new, sleek design. It supports installation flexibility and adheres to NFPA 90A standards.
Product Information
Standard Information
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Brand: System Sensor
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Manufactured in: Mexico
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Power supply: 24V DC
Technical Specifications
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Width: 2.9 inches
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Height: 4.6 inches
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Alarm decibel level: 85 dB minimum