High Voltage Power Supply 325 VDC 72 KW 24-U 19 in. AC-DC Front End Power Rack PS-1872 The Digital Power PS-1872 is a high power, high voltage power system solution suitable for use in a wide variety of military and commercial applications. Scalable from 24 KW to 72 KW, the PS-1872 includes three redundant 24 KW sub-rack modules. Each sub-rack module contains up to twelve 2 KW modules in an N + 1 redundant configuration. Key Features • Up to 72 KW total output power • User-friendly operation, optimized for service • Fully protected for over load, short circuit, over voltage, over temperature, and input phase fail • Redundant cooling liquid from independent chillers • Meets all MIL-STD 461D / EN 55024 Class A and Class B EMI requirements Phone: (866) 344-7697 | Website: www.digipwr.com | Email: sales@digipwr.com High Voltage Power Supply 325 VDC 72 KW 24-U 19 in. AC-DC Front End Power Rack PS-1872 Typical Applications • DC power source for use in mobile shelters • Radar and satellite transmitters/receivers • Naval applications • Power generation plants Product Specifications Input • Input voltage: 380 VAC ± 10% line-to-line 3 phase star connection or 440 VAC ± 10.0% per MIL-STD-1399 (navy) Section 300A • Power factor: 0.99 typical • Efficiency: > 89% • Total harmonic distortion: < 5% • Soft start: Initial inrush current limit Output • Output voltage & current: 325 Vdc 225 A • Ripple & noise: 3.2 V max. p-p • Hold-up time: > 16 ms • Transient load: ± 3% max. for 50% step load Controls • Power on/off via switch or via remote control • Indicator lights for each module • Indicator lights identify each phase, output status, and output on/off • Output voltage and current monitoring via analog meter Immunity • ESD: EN61000-4-2 Level 3 • Fast transient: EN61000-4-4 Level 3 • Surge: EN61000-4-5 Level 3 Environmental Conditions • Temperature: MIL-STD 810F, Method 501.4, –30 °C to 50 °C • Storage: –30 °C to 71°C • Humidity: 95% RH at 35 °C per MIL-STD-810F Method 507.4 • Altitude (operating): 15,000 ft. per MIL-STD810F Method 500.4 • Vibration: Per MIL-STD 810F, Method 514.5, Category 10 equipment • Mechanical shock: Half-sine 11 ms duration, 20 g peak per MIL-STD-810F, Method 516.5, Process 1 • Fungus: Per MIL-HDBK-454A Guideline 4 • Salt fog: Per MIL-STD-810F Method 509.4 • EMI: Per MIL-STD-461D Mechanical • Size: 19 in. x 24-U x 31 in. (W x H x D) • Weight (with all sub-racks and modules): 220 Kg • J1 input connector: MS3102E-4P • J2 output connector: MS3102E-4S • J3 220 VAC input: D38999-24WC98PN Phone: (866) 344-7697 | Website: www.digipwr.com | Email: sales@digipwr.com