Newmar 24-12-3 DC Converter

The 24-12-3 DC Converter is specifically engineered for marine and boating applications, providing reliable power conversion from your vessel's electrical system to support essential communication and navigation equipment. Its robust design ensures consistent performance in the demanding marine environment, making it an ideal choice for boat owners seeking dependable power management solutions.

Key Features

• Superior Voltage Regulation: Maintains output voltage within 1% across all line and load conditions, ensuring stable power delivery to your marine electronics.
• Efficient Heat Dissipation: Equipped with large aluminum heat sink fins that maximize airflow, keeping the converter cool and prolonging the lifespan of its components.
• Durable Construction: Features a corrosion-resistant anodized aluminum case with heavy-duty shock mounts and a polyurethane conformal coating on PC boards, ensuring longevity in harsh marine environments.

Advanced Protection Mechanisms

Protect your marine electronics with multiple built-in safety features:

• Current Limiting: Prevents excessive current from damaging connected equipment.
• Automatic Thermal Shutdown: Activates to protect the converter from overheating.
• Short Circuit Protection: Safeguards against short circuits that could harm your electrical system.
• Reverse Polarity Protection: Ensures safe operation even if connections are reversed.
• Overvoltage Protection: Protects your devices from voltage spikes.
• CE Certified: Meets European safety standards for quality and reliability.

Technical Specifications

Parameter	Specification
Input Voltage	17-32 VDC
Output Voltage	13.6 VDC (internally adjustable from 12.6 to 14.5 VDC)
Output Current	3 Amps (Intermittent & Continuous)
Ripple Voltage	Maximum 150 mV P-P
Voltage Regulation	1% Line/Load
Switching Frequency	40 kHz
Efficiency	Typical 85%
Isolation	250 VDC between Output/Chassis and Input/Chassis
Case Size (H x W x D)	3.5 x 3.5 x 1.75 inches (8.9 x 8.9 x 4.5 cm)
Weight	1 lb. (0.45 kg)

Duty Cycle Ratings

Rating	Details
Intermittent	Maximum 20 minutes on time with a 20% duty cycle. Current limit set at approximately 105% of the intermittent rating.
Continuous	24-hour operation at 100% duty cycle. *For the 24-12-3 model, a maximum of 2 minutes on time.
Idle Current	Less than 100 mA (including power “ON” indicator light)

Operating Temperature Specifications

• Standard Operation: 0-50°C, with a linear derate from 100% capacity at 40°C to 50% at 50°C.
• Thermal Shutdown: Activates at a case temperature of 70°C to prevent overheating.
• Model 24-12-3: Full output operation from -25°C to +30°C, with derating linearly from 100% at +30°C to 45% at +50°C.

Mechanical Design

• Robust Enclosure: Powder-coated aluminum case provides durability and protection against the corrosive marine environment.
• Easy Installation: Features a front panel terminal block and a heavy-duty mounting flange for secure and straightforward mounting on your vessel.
• Reliable Electronics: Conformal coated PC board ensures reliable performance even in humid and salty conditions.

Optional Features

• Battery Charging Capability: Can be configured to operate as a battery charger or in parallel redundant operation. Please contact the factory to arrange for derating to the continuous duty rating.

Warranty and Support

Please note: This product may not be returned to the original point of purchase. For any issues or concerns, please contact the manufacturer directly to ensure you receive the appropriate support and service.