Newmar 12-12-35I DC Converter

The 12-12-35I DC Converter is an essential power management solution for marine and boating applications. Engineered to provide reliable voltage conversion and complete input/output isolation, this converter ensures seamless integration with both positive and negative ground battery systems, enhancing the performance and safety of your vessel's electrical setup.

Overview

Designed specifically for the demanding environments of marine and boating settings, the 12-12-35I DC Converter not only stabilizes voltage but also mitigates conducted noise and interference. This makes it ideal for protecting sensitive DC-powered communication, navigation systems, and microprocessor-based devices from electrical disruptions, ensuring uninterrupted operation while at sea.

Key Features

• Wide input voltage range suitable for various marine battery systems
• Precise output voltage regulation for stable power supply
• Reverse polarity protection to prevent damage from incorrect connections
• Input and output fuses for enhanced safety
• Total input/output isolation, adaptable to positive or negative ground systems
• Current-limiting and short-circuit protection for reliable operation
• Automatic thermal shutdown resetting to prevent overheating
• High and low input voltage shutdown for added protection
• Durable polyurethane conformal coating on the PC board for corrosion resistance
• Power ON indicator light for easy monitoring
• Rugged, vibration-resistant case designed for high-vibration marine applications

Technical Specifications

Specification	Details
Input Voltage	10-16 V
Max Input Amps	56 A
Output Voltage	13.6 V
Output Amps (Intermittent)	35 A
Output Amps (Continuous)	20 A
Case Size (H x W x D)	6 x 6.8 x 16.5 inches (15.2 x 17.3 x 41.9 cm)
Weight	12 lb. (5.5 kg)
Output Options	13.6 VDC (adjustable 12.6 - 14.5 V) or 24.5 VDC (customizable)
Ripple	150 mV P-P maximum
Regulation	1% Line/Load
Duty Cycle Ratings	Intermittent – 20 minutes max on time, 20% duty cycle (current limit ~105% of intermittent rating) Continuous – 24 hours, 100% duty cycle
Idle Current	Less than 100 mA (including power indicator)
Operating Temperature	0-50°C (Derates linearly from 100% @ 40°C to 50% @ 50°C. Thermal shutdown at 70°C case temperature)
Switching Frequency	40 kHz
Efficiency	85% Typical
Isolation	250 VDC between Output/Chassis and Input/Chassis

Mechanical Specifications

• Robust anodized aluminum heat sink case for optimal heat dissipation
• Accessible front panel terminal block for easy wiring
• Heavy-duty mounting flange to secure the unit on your vessel
• Conformal-coated PC board to resist moisture and corrosion

Available Options

• Battery Charger or Parallel Redundant Operation* – Requires derating to continuous duty rating. Please contact our factory for customization.
• Extreme Vibration Mounting Kit – Enhances durability in high-vibration environments. Details below.

Extreme Vibration Mounting Kit

The Extreme Vibration Mounting Kit is specifically designed to protect NEWMAR power converters from the intense shocks and vibrations encountered in high-vibration marine applications. This kit replaces the standard mounting components, providing superior shock absorption to safeguard your electronics.

Available for all NEWMAR units ranging from 2 to 70 lbs. Choose Kit L for units weighing 2-15 lbs. and Kit H for units weighing 16-70 lbs.

Important Information

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.