Newmar Power 32-12-35 DC Converter for Negative Ground Systems

32-12-35 DC Converter

Convert 20-50 VDC input to 12 VDC negative ground output for powering communication and navigation equipment on negative ground systems. (See Isolated Series for positive ground applications.)

Features:

• Excellent Regulation: Output voltage maintained within 1% under all line and load conditions within the rating
• The heat generated by semi-conductors is extracted and dissipated by large heat sink fins that maximize air contact for cool operation and the long life of components
• Polyurethane conformal coating on PC boards and corrosion-resistant anodized aluminum cases with heavy-duty shock mounts assure survival in hostile environments

Numerous Converter Load Protection Circuits:

• Current limiting
• Automatic thermal shutdown
• Short circuit proof
• Reverse polarity
• Overvoltage protection
• Carries CE mark

Specifications:

• Input Voltage: 20-50
• Output Voltage: 13.6
• Output Amps (Intermittent): 35
• Output Amps (Continuous): 30
• Case Size (H x W x D): 6.0 x 4.7 x 16.0 inches (15.2 x 11.9 x 40.6 centimeters)
• Weight: 12 lb. (5.5 kg)
• Output: 13.6 VDC (internally adjustable 12.6 -14.5) or 24.5 VDC (or specify)
• Ripple: 150 mV P-P maximum
• Regulation: 1% Line/Load
• Switching Frequency: 40 kHz
• Efficiency: 85% Typical.
• Isolation: Output/Chassis; Input/chassis: 250 VDC

Duty Cycle Ratings*:

• Intermittent: 20 minutes max on time, 20% duty. current limit set at approx. 105% of intermittent rating.
• Continuous: 24 hours, 100% duty *24-12-3: 2-minute max. on time
• Idle Current: Less than 100 mA (including power ON light)

Operating Temp Specifications:

• 0-50 degrees C, Derate Linearly From 100% @ 40 degrees C To 50% @ 50 degrees C.
• Thermal shutdown @ 70 degrees C Case Temperature
• Model 24-12-3: Full output -25 degrees to +30 degrees C; Derate linearly from 100% @ +30 degrees C to 45% @ +50 degrees C

Mechanical Specifications:

• Powder-coated aluminum heat sink case
• Front panel terminal block
• Heavy-duty mounting flange
• Conformal coated PC board

Options:

• Operation as a battery charger or parallel redundant operation* derate to continuous duty rating (contact factory)
• Extreme vibration mounting kit. (Information below)

Option: Extreme Vibration Mounting Kit

The Extreme Vibration Mounting Kit is available to protect NEWMAR power converters from the extreme stresses of shock and vibration when mounted on high-vibration vehicles. The kit replaces the standard vibration kit provided with the unit. It fits into the units mounting flange to act as a super shock absorber for electronics in high-vibration applications. It is available to fit all NEWMAR units from 2 to 70 lbs. Specify KIT L for units that weigh 215 lbs. and Kit H for 167 lbs.

The Newmar Power 32-12-35 DC Converter is designed to reliably convert 20-50 VDC input into a 13.6 VDC negative ground output, making it ideal for powering communication and navigation equipment on negative ground systems. This converter features excellent voltage regulation, maintaining output within 1% under various line and load conditions, ensuring consistent performance in demanding environments. Its robust construction includes a large heat sink with fins for optimal air contact, which dissipates heat effectively to promote long-term component longevity. The unit's corrosion-resistant anodized aluminum case and polyurethane conformal coating on PC boards provide added durability, allowing it to operate reliably in hostile environments. The converter also incorporates multiple load protection circuits such as current limiting, automatic thermal shutdown, short circuit protection, reverse polarity safeguards, and overvoltage protection, all of which enhance reliability and safety. Certified with the CE mark, this power converter complies with rigorous safety standards and is suitable for a wide range of industrial applications. The compact design includes a powder-coated aluminum heat sink case, front panel terminal block, and heavy-duty mounting flange for secure installation. It features an efficient switching frequency of 40 kHz and offers typical efficiency of 85%, making it an energy-efficient choice for demanding power conversion needs. The unit supports a continuous output of 30 amps and intermittent loads up to 35 amps, with an adjustable output voltage ranging from 12.6 to 14.5 VDC to suit specific requirements. Operating temperature ranges from 0 to 50 degrees Celsius, with thermal shutdown at 70 degrees Celsius to prevent overheating. Optional accessories include an extreme vibration mounting kit, ideal for high-vibration vehicle applications, which enhances durability by absorbing shocks and shocks during operation. Designed for versatility, the Newmar Power 32-12-35 DC Converter provides reliable power conversion with advanced protections, making it suitable for communication, navigation, and other critical systems that require stable and safe DC power supply.

Features:

• Excellent regulation: Maintains output voltage within 1% under all line and load conditions

• Effective heat dissipation: Large heat sink fins maximize air contact for cool operation and component longevity

• Durable construction: Polyurethane conformal coating on PC boards and corrosion-resistant anodized aluminum case with heavy-duty shock mounts

• Comprehensive load protection: Includes current limiting, thermal shutdown, short circuit, reverse polarity, and overvoltage protections

• Certified safety: CE mark ensures compliance with safety standards

• High efficiency: Typical 85% energy conversion with switching frequency of 40 kHz

• Adjustable output: Internally adjustable from 12.6 to 14.5 VDC, with a fixed 13.6 VDC output

• Robust mechanical design: Powder-coated aluminum case, front terminal block, and heavy-duty mounting flange

• Operational versatility: Suitable for continuous or intermittent loads, with optional vibration mounting kit for high-vibration environments

• Wide operating temperature: 0 to 50 degrees Celsius with thermal shutdown at 70 degrees Celsius