32-12-50 - Newmar Power Newmar 32-12-50 12V DC Converter for Communication Gear

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

The Newmar 32-12-50 Heavy-Duty Voltage Converter is designed for IT and technical buyers needing to power 12V DC communication and navigation equipment from a higher voltage DC source. This unit accepts an input range of 20-50 VDC and provides a stable 13.6 VDC output, adjustable between 12.6 and 14.5 VDC, with a continuous output current of 40A. Its robust voltage regulation maintains output within 1% under varying line and load conditions, critical for sensitive electronics. The converter features effective heat dissipation via large heat sink fins and durable construction, including polyurethane conformal coating and an anodized aluminum enclosure, making it suitable for demanding operational environments. Integrated protection mechanisms, such as current limiting, automatic thermal shutdown, short circuit, reverse polarity, and overvoltage protection, enhance system reliability and safety. This converter addresses the need for a dependable power solution in negative ground systems where consistent 12V DC power is required for critical equipment.