The Martek Power PS2224 is a 300-watt AC-DC power supply engineered for industrial and commercial applications requiring stable, regulated 12V DC output. Built with active power factor correction and multi-stage protection architecture, it operates across wide input ranges and delivers 25A continuous output with exceptional efficiency. The unit provides galvanic isolation, redundancy support, and comprehensive EMI compliance for deployment in electromagnetically demanding environments.
Technical Specifications
Input & Output
• Input voltage: 90–264 VAC, 47–65 Hz
• Output voltage: 12V DC
• Maximum continuous output current: 25A
• Total power: 300W
• Efficiency: 85% typical (full load, 230 VAC)
• Power factor: 0.99 typical
• Inrush current: <31A peak (at 230 VAC)
• Input-to-output isolation: 2500 VDC
• Line/load regulation: <5%
– Key Features
• Active power factor correction (PFC) meets EN61000-3-2 harmonic limits
• Redundancy: N+1 configuration with droop sharing capability
• Output-stage over-voltage protection (OVP) and over-current protection (OCP)
• Input-stage over-power limiting and over-temperature protection (OTP)
• Continuous short-circuit protection without component damage
• Dual LED status indicators for power supply monitoring
• EMI/RFI compliance: EN55022 & FCC Class A with ≥5 dB margin
• Safety certifications: UL, CSA, TÜV, BABT recognized
– Typical Applications
Industrial control systems, telecommunications infrastructure, server power backup, and HVAC equipment benefiting from PFC compliance and multi-stage fault protection in 90–264 VAC supply environments.
– Compatibility & Integration
Droop-sharing capability enables parallel redundant configurations. Wide input voltage range accommodates global mains standards without reconfiguration. Active harmonic suppression reduces impact on facility power distribution.
