The Astrodyne SPU45-301 is a 42 W triple-output AC-DC switching power supply housed in a compact, splash-proof desktop enclosure. It accepts universal input from 90–264 VAC at 47–63 Hz and delivers three isolated voltage rails with 3000 V input-to-output isolation. This unit is designed for industrial and commercial equipment including POS systems, AV devices, industrial and notebook PCs, battery chargers, and LED lighting systems.
## Technical Specifications
**Electrical**
• Input: 90–264 VAC, 47–63 Hz via IEC-320-C14 receptacle
• Output 1: +5.0 VDC @ 5.0 A (minimum load 0.5 A)
• Output 2: +12.0 VDC @ 2.0 A (minimum load 0.2 A)
• Output 3: −5.0 VDC @ 0.8 A (minimum load 0.8 A)
• Voltage regulation: ±5% across all outputs
• Isolation: 3000 V input-to-output
• Protection: Crowbar over-voltage and auto-recovery short-circuit
• Efficiency: DoE VI compliant
**Physical**
• Dimensions: 5.75″ × 3″ × 1.7″ (L × W × H)
• Weight: 550 g
• Construction: Splash-proof case
**Environmental**
• Operating temperature: 0 to +40°C (free air convection); 50% load derating at 70°C
• Storage temperature: −40 to +85°C
• Humidity: 5% to 95%, non-condensing
• Maximum altitude: 5000 m
## Key Features
• 100% burn-in and testing at factory
• UL/c-UL, TUV/GS, and CE marked
• Meets UL 60950-1:2nd Edition, CSA C22.2 No.60950-1-07, IEC 60950-1:2005/A2:2013, EN60950-1:2006/A2:2013
• FCC Part-15 Class B and CISPR-22 Class B compliant
• UL94V-1 flammability rating, Class I protection
## Typical Applications
POS terminals, audio/video equipment, industrial control systems, laptop power delivery, rechargeable battery systems, and LED display power.
## Compatibility & Integration
Not authorized for life support, hazardous environment, nuclear control, or mission-critical applications. Suitable for non-hazardous industrial and commercial environments only.
