Description
Samlex 100W Isolated DC-DC Converter | Boat Supply Store
This Samlex DC-DC converter provides essential galvanic isolation between input and output circuits, mitigating ground loops and protecting sensitive 12V marine electronics from voltage spikes and noise. With a 100W power output and a regulated 12.5V DC output, it delivers a stable 8A current from a broad 20-35V DC input range, ideal for vessels with multiple charging sources or fluctuating alternator outputs. Its robust design includes comprehensive protection against short circuits, over-temperature conditions, overvoltage, and reverse polarity, ensuring reliable operation for critical navigation and communication equipment.
Key Features
- Full Isolation to prevent ground loops and protect sensitive electronics.
- 100W Power Output for robust 12V system support.
- Stable 12.5V Regulated Output ensuring precise voltage for electronics.
- 8A Rated Output Current sufficient for most standard marine accessories.
- Wide 20-35V DC Input Range accommodates varying voltage sources.
- Comprehensive Protection including short circuit, overvoltage, and reverse polarity.
- Compact Housing for efficient space utilization on board.
- CE Approved for compliance with European safety standards.
Specifications
| Product Specifications | |
|---|---|
| Power Output | 100W |
| Input Voltage Range | 20-35V DC |
| Output Voltage | 12.5V DC |
| Rated Output Current | 8A |
| Isolation Type | Fully Isolated |
| Short Circuit Protection | Yes |
| Overheating Protection | Yes |
| Overvoltage Protection | Yes |
| Reverse Polarity Protection | Yes |
| Fold-back Current Limiting | Yes |
| EMI/EMC Compliance | EN50081-1, EN50082-1 |
| European Automotive Directive Compliance | 95/54/CE |
| Connectors | 1/4" Quick Disconnect |
| Warranty | 2 Year Limited |
Who This Is For
Marine enthusiasts and technicians requiring a dependable, isolated 12.5V power source for onboard electronics from a higher or fluctuating input voltage. This unit is ideal for powering sensitive navigation equipment, communication devices, and other 12V systems that demand clean, stable power.
How It Compares
| Feature | Samlex 100W Isolated DC-DC Converter | Victron Energy Orion |
|---|---|---|
| Input Voltage Range | 20-35V | 9-35V, 18-36V |
| Output Voltage | 12.5V | 12.2V, 13.6V |
| Max Output Current | 8A | 12A, 10A |
| Power Output | 100W | 144W, 136W |
| Isolation | Fully Isolated | Fully Isolated, Fully Isolated |
| Short Circuit Protection | Yes | Yes, Yes |
| Overheating Protection | Yes | Yes, Yes |
| Reverse Polarity Protection | Yes | Yes, Yes |
| Warranty | 2 Year Limited | 3 Year Limited, 3 Year Limited |
Common Concerns Answered
Is 8A enough output current for my high-draw 12V accessories?
The 8A output current is suitable for many standard marine electronics. For exceptionally high-draw devices exceeding 8A, consider a higher-rated DC-DC converter. Always verify the current requirements of your specific accessories.
I prefer screw terminals for my installations, will the quick disconnects be an issue?
The included 1/4" quick disconnects offer rapid and secure connections. For installations requiring permanent screw terminal connections, appropriate adapter terminals or crimp connectors can be utilized to ensure a robust electrical interface.
My input voltage can fluctuate significantly. Can this converter handle it?
Yes, the Samlex IDC-100B-12 is engineered with a broad 20-35V DC input range, making it capable of handling typical voltage fluctuations encountered in marine and heavy-duty vehicle applications.
Frequently Asked Questions
What is the primary benefit of a fully isolated DC-DC converter like the Samlex IDC-100B-12?
The primary benefit of full isolation is the elimination of common ground paths between the input and output circuits. This prevents ground loops, which can cause electrical noise and damage sensitive marine electronics, ensuring a cleaner and safer power supply.
Can the Samlex IDC-100B-12 handle fluctuating input voltages between 20-35V?
Yes, the unit is specifically designed to operate within a wide input voltage range of 20-35V DC, providing a stable 12.5V output even when the input voltage varies within this spectrum.
What types of marine applications is the Samlex IDC-100B-12 suitable for?
This converter is suitable for any marine application requiring a stable 12V supply from a higher or fluctuating voltage source, such as powering chartplotters, VHF radios, autopilot systems, or other sensitive electronics on vessels with 24V, 36V, or variable voltage charging systems.
What protections are built into the Samlex IDC-100B-12?
The converter features comprehensive protection mechanisms including short circuit protection, overheating protection, overvoltage protection, and reverse polarity protection to safeguard both the unit and connected electronics.
What is the output current rating of the Samlex IDC-100B-12 at its maximum input voltage?
The Samlex IDC-100B-12 has a rated output current of 8A. This rating is maintained across its specified input voltage range, including at the maximum input voltage of 35V.
