The Honeywell 14507287-003 Power Module delivers regulated 24 VAC and 24 VDC output from a 120 VAC input, serving as a dedicated power source for Honeywell Excel series controllers and integrated automation systems. The unit combines a 50VA controller transformer and 100VA accessory transformer with integrated converter outlet and breaker protection, engineered to meet UL864, UL916, and NFPA92A standards. Heavy-gauge metal chassis construction, independent transformer switching, and comprehensive surge/noise filtering ensure reliable operation in demanding control applications.
## Technical Specifications
• Input Voltage: 120 VAC
• Output Voltage: 24 VAC and 24 VDC
• Controller Transformer Capacity: 50VA
• Accessory Transformer Capacity: 100VA
• DC Output Regulation: 16-pin regulator
• Certifications: UL864, UL916, NFPA92A
• Weight: 4.69 kg
• Mounting: Four-screw configuration
## Key Features
• Metal Oxide Varistors (MOVs) suppress line voltage surges
• Line bypass capacitors attenuate line voltage noise
• Independent ON/OFF switches for each transformer
• Controller transformer meets UL power-limited requirements
• Isolated accessory voltage outputs eliminate sneak current paths
• Separate fuse protection per output
• Integral line voltage barriers and insulators prevent electrical shock
• AC convenience outlet included
• Coded controller power cable socket with integral ground wire
• Screw terminal strips for line and low-voltage connections
## Typical Applications
The 14507287-003 supplies power to fire alarm control panels, building automation controllers, and integrated security systems requiring dual-voltage output and transient surge immunity.
## Compatibility & Integration
Recommended for Excel 80B/B2, Excel 100B/B2, Excel 500, and Excel 600 Controllers. Compatible with Q7645A Excel Link modules for expanded system integration.
