The Edwards 1B3-250 Audio Amplifier represents a robust, high-performance communication solution for comprehensive fire alarm and emergency notification systems in complex commercial and institutional environments. Designed specifically for professional fire alarm contractors and facility managers, this 250-watt amplifier supports critical voice evacuation requirements across 25V and 70V distributed audio networks.
Engineered for seamless integration with Edwards’ Advanced Technology Platform (ATP), the 1B3-250 provides mission-critical audio signal amplification with dedicated battery backup input terminals. Its compact 5.25-inch rack profile—occupying just three standard panel spaces—enables flexible mounting in fire command centers, telecommunications rooms, and centralized control facilities.
Key Features
- 250-watt output power with dual voltage (25V/70V) compatibility
- Integrated battery backup input terminals for uninterrupted emergency communications
- Compatible with SIGA-MRM1 and SIGA-RM1 risers for comprehensive system supervision
- Compact 3U rack-mount design supporting dense equipment configurations
- Fully compliant with NFPA 72 emergency communication system requirements
- UL 464 listed for critical life safety audio notification applications
Specifications
- Voltage Range: 25V/70V
- Power Output: 250 Watts
- Rack Space: 3U (5.25 inches)
- Mounting: Standard 19-inch equipment rack
Typical deployment scenarios include large commercial facilities, healthcare campuses, educational institutions, and multi-story office complexes requiring centralized, supervised emergency communication infrastructure. The 1B3-250 ensures clear, reliable audio signal distribution during fire events, supporting critical evacuation and life safety protocols.
Designed for professional installers working with addressable fire alarm panels and distributed notification systems, this Edwards amplifier delivers the reliability and performance demanded by mission-critical emergency communication applications.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 55 lbs |
|---|---|
| Dimensions | 24 × 19 × 8 in |
| Condition | New |
| Manufacturers | Edwards |
| Part Type | Strobe |
