Altronix (AL842ULADA) 8 a nac extender 4 class a/b

The Altronix AL842ULADA represents a robust Notification Appliance Circuit (NAC) extender designed for complex fire alarm and emergency notification systems in commercial and institutional environments. This advanced 8-ampere module provides critical signal expansion capabilities for addressable fire alarm panels, enabling comprehensive coverage and synchronized notification across large facilities such as hospitals, educational campuses, office complexes, and industrial installations.

Engineered for professional fire alarm integrators and system designers, the AL842ULADA supports both Class A and Class B notification circuit configurations, delivering exceptional flexibility in emergency communication infrastructure. Its precision-engineered circuit design ensures reliable signal transmission and compliance with stringent fire safety standards, including NFPA 72 and UL 464 requirements for emergency notification systems.

Key Features

• 8-ampere total output capacity with independent circuit management
• Dual-mode support for Class A and Class B notification circuit architectures
• Compatible with wide range of addressable fire alarm control panels
• Built-in short circuit isolation and fault monitoring capabilities
• Low-voltage power management with integrated supervision circuits
• Compact design for simplified panel and enclosure integration

Specifications

• Input Voltage: 24VDC nominal
• Maximum Current: 8 amperes total
• Circuit Configuration: 4x Class A/B configurable channels
• Operating Temperature: 32°F to 120°F (0°C to 49°C)
• Regulatory Compliance: UL 864, NFPA 72 Listed

Ideal for expanding notification capabilities in complex fire alarm systems, the AL842ULADA provides critical infrastructure for ensuring comprehensive emergency communication. Professional installers will appreciate its robust design, which supports synchronization with HVAC shutdown systems, elevator recall mechanisms, and distributed notification appliances across multiple building zones.

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com