Silent Knight PS-SA Power Supply.

Compliance

• NFPA 72
• UL 2572

Key features

• Supplemental power supply for Silent Knight SK-series fire alarm system accessories
• Supports auxiliary load distribution for 5820XL or 6500 series panel installations
• NFPA 72 and UL 2572 compliance for fire alarm and emergency communications applications
• Provides secondary power or auxiliary DC output for notification circuits or accessories
• Consult the PS-SA installation guide for output current rating and battery backup configuration

The PS-SA is a supplemental power supply in the Silent Knight product line (a Honeywell brand). It is designed for use with SK-series fire alarm control panels and accessories where the panel's internal power budget is insufficient for all connected loads. UL 2572 listing extends its applicability to emergency communications system installations. Confirm output voltage, current rating, and compatible panel revisions from the PS-SA installation documentation before purchasing.

Verify panel/device family compatibility before ordering.