115-12-20A Power SupplyThis super-rugged DC power supply is ideal for powering 12-volt communication and navigation equipment onboard commercial vessels where reliability is essential. The proven linear circuit design provides pure noise-free output and a long service life.Features:Excellent Regulation and Ripple Spec (output voltage maintained within 1% under all rated line and load conditions)Polyurethane conformal coated PC board and corrosion-resistant heavy-duty aluminum case with integral shock mounts assure survival in hostile environmentsThe heat generated by semi-conductors is extracted and dissipated by large heat sink fins for cool operationProtection: overvoltage, current limit; (set @ 105% of intermittent rating), thermal overload, and input/output fusingThermally activated cooling fan on “CD” unitsSpecifications:Nominal Input/VAC: 115/230    Maximum Input Current @115: 5.5Maximum Input Current @230: 2.5Output Amperage (Intermittent): 20Output Amperage (Continuous): 8Weight: 20 lbs. / 9.1 kgCase Size:H x W x D (inch): 5.7” x 4.8” x 16.3”Input Range105-125/210-250 VAC (selectable), 50-60 Hz; Derate to 50% output below 110 and 220 VACOperating TemperatureStandard Units - 0-50 degrees C, Derate linearly from 100% @ 40 degrees C to 50% @ 50 degrees C thermal shutdown @ 85 degrees C case temperatureDuty Cycle:Intermittent: 20 minutes max on time, 20% dutyContinuous: 24 hours/day 100% DutyOptions:Modify for use as a battery chargerThe output voltage is adjusted (see Output Voltage for range)Transfer relay for back-up battery in event of power failure (ERC option)Output Voltage:13.6 VDC (internally adjustable 12.6-14.5 VDC)Ripple: 40mV P-P (@ 110-125 / 220-250 VAC input)1% Line and Load (@ 110-125 / 220-250 VAC input)Mechanical:Powder-coated aluminum heat sink caseFront panel terminal blockHeavy-duty mounting flangeConformal-coated PC boardThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.