Silent Knight PS-GR12 Power Supply.

Compliance

• UL Listed
• NFPA 72

Key features

• Auxiliary power supply for Silent Knight SK-series fire alarm system accessories
• Designed for use with 5820XL or 6500 series fire alarm control panels
• Provides supplemental DC power when panel internal capacity is exceeded by connected loads
• Supports battery backup configurations per NFPA 72 secondary power requirements
• Compatible with notification appliance circuits and auxiliary device wiring

The PS-GR12 is a power supply module in the Silent Knight product line (a Honeywell brand). It expands available 24 VDC capacity for SK-series fire alarm systems, supporting notification appliance loads, auxiliary device power, and supplemental battery charging beyond the host panel's onboard budget. Confirm output current rating, battery sizing, and SBUS supervision options from the PS-GR12 installation documentation before specifying for your installation.

Verify panel/device family compatibility before ordering.