Newmar 115-12-20A Power Supply

The Newmar Power 115-12-20A is a DC power supply for running 12-volt communication and navigation equipment from selectable AC input. Its linear circuit design, coated circuit board, aluminum heat sink case, and built-in protections support use aboard commercial vessels.

• Nominal input: 115/230 VAC
• Input range: 105-125/210-250 VAC selectable, 50-60 Hz
• Maximum input current at 115 VAC: 5.5
• Maximum input current at 230 VAC: 2.5
• Output voltage: 13.6 VDC, internally adjustable from 12.6-14.5 VDC
• Output amperage: 20A intermittent, 8A continuous
• Regulation: Output voltage maintained within 1% under rated line and load conditions
• Ripple: 40mV P-P at 110-125 or 220-250 VAC input
• Operating temperature: 0-50 degrees C for standard units
• Derating: Derate to 50% output below 110 and 220 VAC; derate linearly from 100% at 40 degrees C to 50% at 50 degrees C
• Thermal shutdown: 85 degrees C case temperature
• Duty cycle: Intermittent 20 minutes maximum on time, 20% duty; continuous 24 hours per day, 100% duty
• Protections: Overvoltage, current limit set at 105% of intermittent rating, thermal overload, and input/output fusing
• Case: Powder-coated aluminum heat sink case with heavy-duty mounting flange
• Circuit board: Polyurethane conformal coated PC board
• Connections: Front panel terminal block
• Weight: 20 lbs. / 9.1 kg
• Case size: 5.7 in. H x 4.8 in. W x 16.3 in. D
• Options: Modify for use as a battery charger; transfer relay for back-up battery in event of power failure using ERC option
• Return note: This product may not be returned to the original point of purchase; contact the manufacturer directly with issues or concerns.