Siemens (Pyro) ABHW-4B

Siemens ABHW-4B Intelligent Audible Sounder Detector Base

Key Features

• Intelligent supervised addressable audible base with multi-functional design
• First UL/ULC Listed audible base with direct SLC (Signal Line Circuit) power option
• Two-wire configuration capability for simplified installation
• Generates 3,000 Hz tone for clear, distinctive audible notification
• Six selectable tone patterns: Steady, Temporal 3, Temporal 4, March time 120, and Canadian variants
• Dual volume level selection capability
• Compatible with all Siemens addressable detectors

Technical Specifications

• Audio Output: 85 dBA at 10 feet (3.1 meters)
• Tone Frequency: 3,000 Hz
• Tone Patterns: Six selectable options with two volume levels
• Power Options: 24VDC NAC or direct SLC power (two-wire configuration)
• Current Rating: 4.5 mA low volume, 7.5 mA high volume maximum
• Protocol: Siemens addressable device compatible

Certifications

• UL Listed and ULC Listed
• First agencies-listed audible base with SLC power option
• NFPA 72 compliant
• Desigo detector compatible