PT578 Series
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POWERBOX Marine Line PT578 Series 500W Single Output AC/DC Switch Mode Power Supply Preliminary datasheet Features DNV-GL Approved for bridge use (pending) EN60945 compliant Universal input (90 - 265Vac) Efficiency above 93% Active Power Factor Correction Adjustable output Overload and overvoltage protection Thermal overload protection Conformal coating DC OK signal and potential free contact Cooling by free air convection DIN-Rail mounting on back or side RoHS compliant Internal redundancy diode Single or parallel mode user selectable Frequency 47-63Hz, 440Hz with reduced PFC. Inrush current 30A, cold start @ 230VAC/25°C. Input fuse 10AT, internal, not user serviceable. Output Output voltage 24V, adjustable 23-29V. Temperature coefficient ±0.02%/°C. Overvoltage protection 32V. Overload protection User selectable (see table 1). Peak short circuit current 40A (<100ms). Overtemp. protection ±90°C internal temp. DC OK signalling LED on front: Green = DC OK Flashing Red = Overload Red = DC Fail Potential free contact; active closed; I < 1 A open voltage < 30V Environmental Thermal performance Operating temperature -25°C to +70°C without derating. Storage temperature -40°C to +85°C. Humidity Up to 100% condensing at all relevant temperatures. Conformal coating. Vibration DNV-GL table 7 High vibration strain, class B, General Isolation voltage 3000VAC Input/Output. Dimensions (HxWxD) 132 x 67 x 128 mm. Excluding DIN-Rail mounting device. Add 10mm for standard mounting device and EN50022 DIN-Rail. Warranty 2 years. Standards EMC Emissions EN60945 conducted & radiated. Temperature, class D -25°C to +55°C. Humidity, class B, up to 100%. Vibration, class B, ±1.6mm displ. 2-25Hz, 4g 25-100Hz. EMC Class B, bridge and open deck. Class guideline DNVGL-CG-0339, November 2015. CEEMC Directive 2014/30/EU. Low Voltage Directive is 2014/35/EU. Load regulation is specified with single/parallel DIP switch (SW3) in the OFF position. With DIP switch SW3 in the ON position the load regulation is 2% typical.

POWERBOX Marine Line PT578 Series 500W Single Output AC/DC Switch Mode Power Supply Pin Connection DIP Switch Settings Input Connector Table 1 Output Connector Pin_Function_ 2_DC OK; Potential Free Contact 3_DC OK; Potential Free Contact X_X_OFF SINGLE OPERATION Wire Gauge_ OPTION 1: overload results in latched switch off OPTION 2: overload results in hiccup mode OPTION 3: overload results in current limit, with latched switch off short circuit protection OPTION 4: overload results in current limit, with latched switch off short circuit protection Specifications are subject to change...