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System Sensor APA151 annunciator for duct piezo

Special Price: $33.46
SKU: BK-APA151
INSTOCK
MPN: APA151
The APA151 piezo annunciator, which replaces the APA451 with a new, improved look, provides an audible alarm signal, a red LED to indicate alarm status, and a green LED to indicate power status. It is intended for use with System Sensor 4-wire conventional duct smoke detector applications without a system control panel, to comply with NFPA 90A.

- Operating Temperature Range: 0 °C to 49 °C (32 °F to 120 °F)  
- Operating Humidity Range: 10 to 93% non-condensing  
- Dimensions: 4.6 in H x 2.9 in W x .45 in D  
- Voltage Range: 16 to 33 VDC  
- Alarm Current: max 30 mA  
- Replaces the APA

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