The Honeywell AP-542D Assembly represents a critical fire detection and suppression interface component designed for sophisticated commercial fire alarm and control systems. Engineered specifically for Ansul fire suppression applications, this precision-manufactured replacement part facilitates critical communication between detection circuits and fire suppression mechanisms in complex facility environments.
Professionally integrated into addressable fire alarm panels and HVAC control systems, the AP-542D enables reliable signal transmission for emergency notification and automatic suppression sequence activation. Its robust design ensures seamless compatibility with multi-zone commercial installations, including manufacturing facilities, data centers, healthcare complexes, and high-rise commercial buildings.
Key Features
- Direct replacement for Ansul fire suppression system interface modules (OEM Part 433605)
- Compatible with most addressable fire alarm control panels utilizing standard detection circuits
- Industrial-grade construction with corrosion-resistant components for extended operational reliability
- Meets rigorous NFPA 72 fire alarm and signaling code requirements
- UL 268 and UL 464 listed for critical life safety system applications
- Precision-engineered circuit design minimizes false activation and ensures consistent performance
Specifications
- Manufacturer: Honeywell
- Part Number: AP-542D
- Configuration: Normally open/closed interface module
- Compatibility: Commercial fire alarm and suppression systems
Professional installation requires thorough understanding of local fire codes and system-specific requirements. Certified fire alarm technicians should verify complete system compatibility prior to integration.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 2 lbs |
|---|---|
| Dimensions | 3 × 4 × 3 in |
| Condition | New |
| Manufacturers | Life Safety |
| Part Type | Replacement Part |






