Newmar 32-12-50 DC Converter

The Newmar 32-12-50 DC Converter efficiently converts a 20-50 VDC input into a stable 12 VDC negative ground output, perfect for powering navigation and communication devices in negative ground systems. It features a high degree of regulation, ensuring the output voltage remains within 1% under varying line and load conditions.

Key Features:

• Robust voltage regulation with minimal variation under load
• Effective heat dissipation through large heat sink fins for prolonged reliability
• Durable construction with polyurethane conformal coating and anodized aluminum enclosures to withstand harsh environments

Advanced Protection Mechanisms:

• Current limiting
• Automatic thermal shutdown
• Short circuit protection
• Reverse polarity protection
• Overvoltage protection
• Certified with CE mark

Specifications:

• Input Voltage: 20-50 VDC
• Output Voltage: 13.6 VDC (adjustable from 12.6 to 14.5 VDC)
• Output Current: 50A (Intermittent), 40A (Continuous)
• Dimensions (H x W x D): 6.2 x 6.8 x 18.1 inches
• Weight: 16 lb (7.3 kg)
• Ripple: 150 mV P-P maximum
• Efficiency: 85% typical
• Switching Frequency: 40 kHz
• Isolation: 250 VDC between output/chassis and input/chassis

Duty Cycle Ratings:

• Intermittent: Maximum on time of 20 minutes with 20% duty
• Continuous: Rated for 24 hours at 100% duty
• Idle Current: Less than 100 mA

Operational Temperature Range:

• 0-50 degrees Celsius with linear derating
• Thermal shutdown occurs at 70 degrees Celsius case temperature

Mechanical Characteristics:

• Constructed with a powder-coated aluminum heat sink case
• Equipped with a front panel terminal block
• Includes a heavy-duty mounting flange
• Conformal coated PC board for added protection

Available Options:

• Operation as a battery charger or in parallel redundant configurations
• Extreme vibration mounting kit for high-vibration environments

• High efficiency with up to 85% typical performance
• Automatic thermal shutdown for peak safety
• Short circuit, reverse polarity, and overvoltage protection
• Dissipates heat effectively with large heat sink fins
• Durable construction for harsh conditions