Newmar 48-12-6I DC-DC Convertr 20-56VDC To 13.6 Vdc @ 6A
Newmar 48-12-6I DC-DC Convertr 20-56VDC To 13.6 Vdc @ 6A — Product description
Powering sensitive electronics in demanding mobile or marine environments demands reliability you can count on. The Newmar 48-12-6I steps in as a robust DC-DC converter, transforming wide-ranging input voltages from 20-56VDC into a steady 13.6VDC output at 6A. Whether you're outfitting a rugged off-road vehicle, a commercial fishing vessel, or emergency response gear, this isolated unit ensures your communication radios, GPS navigators, and data transceivers stay online without voltage fluctuations causing headaches.
Built for the Toughest Conditions
Imagine navigating choppy waters or bumpy trails where power surges and drops are the norm. This converter shines with tight output regulation—holding steady within 1-2% across varying loads and inputs—eliminating the guesswork in unstable battery systems. Its isolated design bridges the gap between negative ground equipment and positive or floating ground setups, making it versatile for hybrid installations.
Durability isn't an afterthought here. Large heat sink fins pull heat away from critical semiconductors, promoting cool, efficient operation even during extended use. A polyurethane conformal coating seals PC boards against moisture and salt spray, while the anodized aluminum chassis with shock mounts laughs off vibrations and impacts. Protections like current limiting, thermal shutdown, short-circuit immunity, reverse polarity, and overvoltage safeguards keep your setup safe from mishaps.
Performance That Delivers
- Output Precision: 13.6VDC (fine-tune from 12.6-14.5VDC), with ripple under 150mV peak-to-peak for clean power.
- Efficiency Edge: Around 85% typical, minimizing waste heat and extending battery life.
- Load Handling: Continuous duty at full 6A for 24/7 operation; intermittent mode for short bursts up to 105% capacity.
- Thermal Smarts: Full power up to 40°C, derating smoothly to 50% at 50°C, with auto-shutdown at 70°C case temp.
- Low Idle Draw: Just 50mA in isolated mode, preserving power when idle.
- Isolation Strength: 250VDC between input/output and chassis, ideal for mixed-ground systems.
Real-World Applications
In marine ops, it stabilizes power for VHF radios and chartplotters amid generator fluctuations. For overland adventurers or utility trucks, it feeds steady juice to laptops, telematics, and sensors from lithium or alternator sources. Even in solar-hybrid setups, its wide input range handles varying panel outputs without skipping a beat. Users in harsh sectors like public safety and offshore services rave about its CE-marked compliance and long-term dependability, often outlasting lesser converters by years.
Why It Outperforms Standard Converters
Unlike basic buck converters that falter under extreme temps or spikes, the 48-12-6I's switching tech (70kHz isolated) and rugged build tackle real challenges head-on. No more fried gear from polarity mix-ups or thermal runaway. Installation is straightforward—mount securely, wire input/output, and monitor the power-on indicator. For peak performance, ensure good airflow around fins and pair with fuses on both sides.
Maintenance Tips for Longevity
Keep it thriving with simple habits: Periodically inspect connections for corrosion, especially in salty air. Clean dust from heat sinks annually. If operating near max loads in heat, consider forced air cooling. Test output voltage quarterly with a multimeter to confirm regulation. These steps maximize its already impressive MTBF in hostile spots.
Frequently Asked Questions
What input voltage range does the Newmar 48-12-6I handle?
It accepts a broad 20-56VDC input, perfect for fluctuating battery banks or alternators in vehicles and boats.
Is this converter suitable for positive ground systems?
Yes, the isolated series allows flexible connections to positive, negative, or floating ground setups without issues.
How does it protect connected equipment?
Built-in protections include current limiting, automatic thermal shutdown, short-circuit proofing, reverse polarity, and overvoltage safeguards.
What's the maximum continuous output current?
It delivers 6A continuously at 13.6VDC for 24-hour duty cycles, with intermittent higher capacity.
Can it operate in hot environments?
Rated from 0-50°C, with linear derating from 100% at 40°C to 50% at 50°C, and thermal shutdown at 70°C.
Does it have low ripple for sensitive electronics?
Yes, maximum ripple is 150mV peak-to-peak, ensuring clean power for radios, GPS, and data gear.
What's the efficiency like under load?
Typically 85%, which helps conserve battery power and reduces heat buildup.
Convert 20-50 VDC to 12 or 24 VDC output for powering communication/ navigation equipment, on negative ground systems. (see Isolated series, below for positive ground applications.) Ideal for powering voice, data and navigation transceivers in mobile and marine applications.
- Excellent 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 long life of components.
- Polyurethane conformal coating on PC boards and corrosion-resistant anodized aluminum case with heavy duty shock mounts assure survival in hostile environments.
- Numerous converter and load protection circuits: Current limiting*; automatic thermal shutdown; short circuit proof*; reverse polarity and overvoltage protection*. Except 3 Amp.
- Carries the CE mark
Isolated series
Same features as Standard Series, but with the additional capability of permitting connection of negative ground gear to positive or floating ground battery systems, or vice-versa. Many models may also be used as 12 or 24 volt stabilizers for highly input voltage sensitive equipment.
Input range:10-56 VDC; positive, negative or floating ground.
Output: 12 or 24 VDC, 3 to 35 amps.
Performance Specifications - Standard & Isolated Series
- Output: 13.6 VDC (internally adjustable 12.6-14.5) or 24.5 VDC (or specify)
- Ripple: 150 mV P-P maximum
- Regulation:
- Standard: 1% Line/Load
- Isolated: 2% Line/Load
- except + 3% Line/Load
- 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
- Idle Current:
- Standard Series: Less than 100 mA (including power "ON" light )
- Isolated Series: approx. 50 mA
- Operating Temp: 0-50° C, Derate Linearly From 100% @ 40° C To 50% @ 50° C Thermal shutdown @ 70° C Case Temperature
- Switching Frequency:
- Standard: 40 Khz**
- Isolated: 70Khz
- Efficiency: 85% - Typical.+
- Isolation:
- Output/Chassis; Input/chassis: 250 VDC
- Input/Output: 250 VDC (Isolated Series only)
- Certification: Carries the CE mark (Standard Series only)
**except 32-12-3 - Linear, Non-Switching
+except 32-12-3- 50% @ 24 VDC Input
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SKU: NVN-1001143
MPN: 48-12-6I
UPC: 00729198710415
Technical specifications
| Brand | NewMar |
| Model | Newmar 48-12-6I DC-DC Convertr 20-56VDC To 13.6 Vdc @ 6A |
| SKU / MFR# | 1001143 |
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