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32-12-25 DC Converter
Convert 20-50 VDC input to 12 VDC negative ground output for powering communication and navigation equipment on negative ground systems. (See Isolated Series for positive ground Regulation: Output voltage maintained within 1% under all line and load conditions within rating
Heat generated by semi-conductors is extracted and dissipated by large heat sink fins that maximize air contact for cool operation and the long life of componentsPolyurethane conformal coating on PC boards and corrosion-resistant anodized aluminum cases with heavy-duty shock mounts assure survival in hostile environmentsNumerous Converter and Load Protection Circuits:
- Current limiting
- Automatic thermal shutdown
- Short circuit proof
- Reverse polarity
- Overvoltage protection
- Carries CE Voltage: 20-50
- Output Voltage: 13.6
- Output Amps (Intermittent): 25
- Output Amps (Continuous): 20
- Case Size (H x W x D): 6.0 x 4.7 x 14.0 inches (15.2 x 11.9 x 35.6 centimeters)
- Weight: 7.5 lb. (3.4 kg)
- Output: 13.6 VDC (internally adjustable 12.6 -14.5) or 24.5 VDC (or specify)
- Ripple: 150 mV P-P maximum
- Regulation: 1% Line/Load
- Switching Frequency: 40 Khz
- Efficiency: 85% – Typical.
- Isolation: Output/Chassis; Input/chassis: 250 VDC
Duty Cycle Ratings*:
- Intermittent: 20 minutes max on time, 20% duty. current limit set at approx. 105% of intermittent rating.
- Continuous: 24 hours, 100% duty *24-12-3: 2 minute max. on time
- Idle Current: Less than 100 mA (including power “ON” light)
Operating Temp Specifications:
- 0-50 degrees C, Derate Linearly From 100% @ 40 degrees C To 50% @ 50 degrees C.
- Thermal shutdown @ 70 degrees C Case Temperature
- Model 24-12-3: Full output -25 degrees to +30 degrees C; Derate linearly from 100% @ +30 degrees C to 45% @ +50 degrees C
Mechanical Specifications:
- Powder coated aluminum heat sink case
- Front panel terminal block
- Heavy duty mounting flange
- Conformal coated PC as a battery charger or parallel redundant operation* – derate to continuous duty rating (contact factory)
- Extreme vibration mounting kit. (Information below)
Option: Extreme Vibration Mounting Kit
The Extreme Vibration Mounting Kit is available to protect NEWMAR power converters from the extreme stresses of shock and vibration when mounted on high-vibration vehicles. The kit replaces the standard vibration kit provided with the unit and fits into the unit’s mounting flange to act as a ‘super shock absorber’ for electronics in high vibration applications. It is available to fit all NEWMAR units from 2 to 70 lbs. Specify KIT L for units that weigh 2–15 lbs. and Kit H for units that weigh 16–7 lbs.
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
