The HP PSR150-A is an internal AC power supply unit delivering 150 W of stable DC power to HP A5500/A5800 series switches and SC 5520 Series equipment. This hot-swappable PSU accepts 100-240 V AC input at 50-60 Hz and outputs +12 V DC at 12.5 A, enabling seamless field replacement without system shutdown. Four independent protection mechanisms—over-voltage, short-circuit, current-limiting, and overheat—safeguard connected systems. The unit supports parallel connection for 1+1 redundancy and load sharing across multiple supplies.
## Technical Specifications
• Input: 100-240 V AC, 50-60 Hz, 2 A maximum
• Output: +12 V DC, 12.5 A (150 W maximum)
• Form Factor: Internal with compact design
• Cooling: Ball bearing fan with speed modulation based on load and temperature
• Connectors: Main connector interface
## Key Features
• Over-voltage, short-circuit, current-limiting, and overheat protection
• Hot-swappable design for maintenance without power-down
• Parallel connection support for redundancy and load distribution
• Integrated noise killer to reduce electromagnetic interference
• Auto-recovery from thermal shutdown after temperature normalization
• Manual power cycle required to clear “deadly lock” conditions
## Installation & Operation
The PSR150-A mounts internally via guide rails and captive screws. The integrated fan automatically adjusts speed in response to operational load and ambient temperature. The supply activates immediately upon connection to AC mains and handles most fault conditions through automatic recovery—except when a deadly lock event necessitates manual power cycling.
## Compatibility & Integration
Primarily specified for HP A5500/A5800 series switches. Compatible with SC 5520 Series. Available under multiple part numbers: PSR150-A, JD362A, JD362AABA, JD362ALA, 9PA1503201.
