Samlex 20A Non-Isolated Step-Down 24VDC-12VDC Converter

Enhance your marine electrical system with our reliable and high-efficiency 20A Non-Isolated Step-Down 24VDC-12VDC Converter. Specially designed for marine and boating applications, this robust DC-DC converter ensures a stable 12V power supply, essential for various onboard electronics and systems.

Key Features

• Advanced switch-mode technology for superior efficiency
• Flexible mounting options suitable for tight marine spaces
• Lightweight and compact design minimizes space usage
• Built-in reverse polarity protection safeguards your vessel's electrical system
• High efficiency ensures minimal power loss and optimal performance
• Integrated current limiting circuit prevents overloads
• Overvoltage crowbar circuit protects against voltage spikes
• Non-isolated design ideal for negative ground marine systems

Technical Specifications

Parameter	Specification
Input Voltage	20-35 VDC (Nominal 24 VDC)
Output Voltage	12 VDC (Nominal 13.8 VDC)
Current Rating	20 Amps
Weight	2.2 lbs (1 kg)
Dimensions	7.75 x 4.75 x 2.4 inches (19.7 x 12.1 x 6.1 cm)
Warranty	2 Year Limited

Protection Features

• Overvoltage and short-circuit protection to prevent damage
• Temperature-compensated current limiting for safe operation
• Output-side overvoltage protection ensures consistent voltage
• Input-side overvoltage and transient protection guards against power spikes
• Reverse polarity protection safeguards against incorrect connections

Ideal for Marine Applications

Whether you're outfitting a heavy-duty fishing boat, a luxury yacht, or any marine vessel, our DC-DC converter is built to handle demanding environments. It is perfect for powering:

• 12 Volt lighting systems
• Marine AM/FM sound systems
• CB radios and communication equipment
• Navigation and instrumentation
• Heavy-duty electrical appliances

Additional Applications

Beyond marine uses, this versatile converter is also suitable for:

• Earth moving equipment
• Heavy trucks
• Buses
• Marine vehicles
• Various industrial applications

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Owner's Manual (PDF)
Brochure (PDF)

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.