The Notifier ACT-4 Audio Coupling Transformer is a precision-engineered isolation component designed for advanced distributed voice communication systems in commercial fire alarm and emergency notification applications. Engineered to provide robust electrical isolation between audio circuits with multiple power supplies, this transformer ensures clean, interference-free signal transmission in complex addressable fire alarm network architectures.
Ideal for professional installers working with Notifier’s digital voice communication systems, the ACT-4 addresses critical signal management challenges in large-scale commercial installations such as high-rise office complexes, healthcare facilities, educational campuses, and industrial environments. Its specialized design mitigates ground loop issues and prevents potential electrical noise contamination that could compromise critical audio communication pathways during emergency scenarios.
Key Features
- Provides complete electrical isolation between audio circuits with different power supply domains
- Compatible with Notifier DVC-AO audio system applications and addressable control panels
- Maintains signal integrity across complex multi-zone emergency communication networks
- Ruggedized construction meets stringent fire alarm system reliability standards
- Supports precise audio signal transmission with minimal distortion
Technical Specifications
- Designed for professional fire alarm and emergency communication systems
- Compliant with NFPA 72 National Fire Alarm and Signaling Code requirements
- UL Listed for fire alarm and emergency communication equipment
- Engineered for consistent performance in challenging environmental conditions
Fire alarm system designers and contractors will appreciate the ACT-4’s robust engineering, which ensures reliable audio signal management across complex networked communication infrastructure. Its precision-engineered isolation capabilities make it an essential component for maintaining clear, uninterrupted emergency notification pathways in mission-critical commercial and institutional settings.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.2 lbs |
|---|---|
| Dimensions | 3.5 × 6 × 2 in |
| Condition | New |
| Manufacturers | Notifier |
| Part Type | Replacement Part |







