NewMar 24123 DC Converter 24V to 12V 3 Amp Voltage Reducer

The NewMar 24123 (24-12-3) DC converter provides reliable voltage conversion from 24VDC to 12VDC systems, ideal for powering communication and navigation equipment on negative ground marine and RV electrical systems. This compact converter accepts 17-32 VDC input and delivers a stable 13.6 VDC negative ground output at up to 3 amps continuous.

Key Features:

• Precision regulation maintains output voltage within 1% under all line and load conditions
• Large heat sink fins extract and dissipate heat for cool operation and extended component life
• Polyurethane conformal coating on circuit boards protects against moisture and corrosion
• Anodized aluminum case with heavy-duty shock mounts for harsh marine and mobile environments
• Comprehensive protection: current limiting, automatic thermal shutdown, short circuit proof, reverse polarity, and overvoltage protection
• CE marked for quality assurance

Technical Specifications:

• Input Voltage Range: 17-32 VDC
• Output Voltage: 13.6 VDC (internally adjustable 12.6-14.5 VDC)
• Continuous Output: 3 amps at 100% duty cycle
• Ripple: 150 mV peak-to-peak maximum
• Switching Frequency: 40 kHz
• Efficiency: 85% typical
• Isolation: 250 VDC (output/chassis and input/chassis)
• Idle Current: Less than 100 mA including power indicator light
• Dimensions: 3.5 x 3.5 x 1.75 inches
• Weight: 1 lb

Operating Temperature:

• Full output: -25°C to +30°C
• Derate linearly from 100% at +30°C to 45% at +50°C
• Automatic thermal shutdown at 70°C case temperature

The 24-12-3 features front panel terminal block connections and a heavy-duty mounting flange for secure installation. Optional configuration available for battery charger or parallel redundant operation (contact manufacturer). Designed and built for reliable performance in demanding marine, RV, and commercial vehicle applications.