Newmar Power - Power Supply

Reliable Power for Critical Marine Communication and Navigation Equipment

The Newmar Power Supply is engineered to deliver stable and noise-free DC power to your 12-volt communication and navigation equipment. Perfect for commercial vessels where reliability is paramount, this rugged power supply ensures your critical systems remain operational even in the most challenging marine environments. With its proven linear circuit design, the 115-12-20A offers pure, uninterrupted power and a long service life.

Key Features and Benefits

The Newmar Power Supply stands out for its robust design and reliable performance. Here’s a detailed look at its features:

• Excellent Regulation and Ripple Spec: Maintains output voltage within 1% under all rated line and load conditions.
• Durable Construction: Polyurethane conformal coated PC board and corrosion-resistant heavy-duty aluminum case with integral shock mounts for survival in hostile environments.
• Efficient Cooling: Heat generated by semiconductors is extracted and dissipated by large heat sink fins, ensuring cool operation.
• Comprehensive Protection: Includes overvoltage protection, current limit (set at 105% of intermittent rating), thermal overload, and input/output fusing.
• Thermally Activated Cooling Fan: Included on “CD” units for enhanced cooling performance.

Simplified Overview: Key Specifications

• Nominal Input/VAC: 115/230
• Maximum Input Current @115: 5.5 amps
• Maximum Input Current @230: 2.5 amps
• Output Amperage (Intermittent): 20 amps
• Output Amperage (Continuous): 8 amps
• Weight: 20 lbs. / 9.1 kg

Compact and Sturdy Design

• Case Size (H x W x D): 5.7 x 4.8 x 16.3 inches
• Operating Temperature:
• Standard Units: 0-50 degrees C, derate linearly from 100% @ 40 degrees C to 50% @ 50 degrees C, thermal shutdown @ 85 degrees C case temperature
• Duty Cycle:
• Intermittent: 20 minutes max on time, 20% duty
• Continuous: 24 hours/day 100% duty

Options for Customization

• Battery Charger Modification: Can be modified for use as a battery charger.
• Adjustable Output Voltage: Output voltage can be adjusted (see Output Voltage for range).
• Transfer Relay for Backup Battery: ERC option available for backup battery in the event of power failure.

Output Voltage Specifications

• Output Voltage: 13.6 VDC (internally adjustable 12.6-14.5 VDC)
• Ripple: 40mV P-P (@ 110-125 / 220-250 VAC input)
• Line and Load Regulation: 1% (@ 110-125 / 220-250 VAC input)

Mechanical Specifications

• Construction: Powder-coated aluminum heat sink case with front panel terminal block and heavy-duty mounting flange.
• PC Board: Conformal-coated for added protection.

Product Variations: Tailored to Your Needs

Choose the Newmar Power Supply variant that best suits your marine power requirements:

• 115-12-20A Amperage 20A: Standard model for typical marine applications.
• 115-12-35CD Amperage 35A: Higher capacity model for more demanding power needs.
• 115-12-8 Amperage 8A: Compact model for smaller installations.
• 115-24-10 Amperage 10A: 24V model for specialized requirements.
• 115-24-18CD Amperage 18A: Higher capacity 24V model.

Conclusion

Equip your marine vessel with the Newmar 115-12-20A Power Supply for robust and reliable power to your critical electronic devices. Its advanced features, durable construction, and comprehensive protection mechanisms make it the ideal choice for maintaining the performance and longevity of your marine communication and navigation systems. Select the variant that meets your needs and trust Newmar for superior power solutions on the water.