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Newmar NS12-20 - StartGuard DC Power Supply
Maintains Constant Voltage to Electronics During Engine Start
The Start Guard is a specialized engine starting version of Newmar's Nav Pac.
The abrupt DC system voltage drop that accompanies engine starting can cause microprocessor-driven communication and navigation electronics to "dump" programmed memory. StartGuard solves this problem by providing supplemental voltage to sensitive electronics while the engine is cranked. It contains a sealed rechargeable battery and relay, which switches on-line to electronics when the starter switch or solenoid is engaged. When the engine is running StartGuard automatically goes off-line and the internal battery is recharged by the alternator.
Input voltage: 13.8 - 14.8 VDC nominal, 15.5 VDC max
Relay activation input voltage: 7-15 VDC
Output: 20 amps (1 min), 15 amps (2 min)
Battery: 12 VDC , sealed rechargeable, 5-7 year life(typical) 5 amp-hour capacity
Certified by DOT and IATA for shipment by air