Samlex SDC-23 24V to 12V DC-DC Converter 20A Step-Down

The Samlex SDC-23 is a high-efficiency switching DC-DC converter that steps down 24 VDC nominal voltage (input range 20-35 VDC) to a precisely regulated 13.8 VDC output at 20 amps continuous. This non-isolated converter is designed for negative ground systems and delivers reliable power conversion for heavy-duty applications in commercial vehicles, marine systems, and industrial equipment.

Key Features:

• Advanced switch-mode technology for high efficiency and minimal heat generation
• Comprehensive protection: reverse polarity, overvoltage, short-circuit, and transient protection
• Temperature-compensated current limiting prevents damage during overload conditions
• Overvoltage crowbar circuit on output side for connected equipment protection
• Compact, lightweight design allows flexible mounting in tight spaces
• Non-isolated design optimized for negative ground systems

Technical Specifications:

• Input voltage: 20-30 VDC (nominal 24 VDC, maximum 35 VDC)
• Output voltage: 13.8 VDC (regulated)
• Continuous output current: 20 amps
• Dimensions: 7.75" L × 4.75" W × 2.4" H
• Weight: 2.2 lbs
• Warranty: 2 years limited

Ideal Applications:

• Heavy trucks, buses, and earth-moving equipment with 24V electrical systems
• Marine vessels requiring 12V accessories on 24V platforms
• CB radios and AM/FM sound systems
• 12-volt lighting systems and auxiliary equipment

This rugged converter provides reliable power conversion for demanding environments where equipment operates on 12V systems but primary power is 24V. Perfect for fleet vehicles, commercial marine applications, and industrial machinery.