16.5V 4.2A AC-DC Power Supply - 2.1mm x 5.5mm Center Positive | SW-164Q

Industrial-Grade 16.5V DC 4200mA Desktop Switching Power Supply

The SW-164Q is an enterprise-class, highly regulated desktop AC-DC switching adapter engineered for consistent, clean power delivery to sensitive industrial, telecommunications, and field test equipment. Designed with tight voltage tolerances and advanced built-in protection mechanisms, it serves as a highly reliable drop-in replacement or OEM supply for mission-critical electrical architectures.

Product Specifications

• Part Number: SW-164Q
• Cross-Reference Model: Hanvex wda16543e
• Input Voltage Range: 100~240VAC (Universal Worldwide Compatibility)
• Output Voltage: 16.5V DC
• Output Current: 4200mA (4.2A)
• Total Rated Power: 69.3W
• DC Plug Dimensions: 2.1mm inner diameter x 5.5mm outer diameter
• Polarity: Center Positive (+)
• Form Factor: Desktop / Brick Style

Target Applications & Industry Segments

This specifically rated 16.5V DC utility power supply is ideal for technical deployments requiring continuous, non-fluctuating amperage draws, including:

• Engineering & Prototyping: Perfect for hardware lab testing, QRP transceivers, embedded switch mode power supply (SMPS) design validation, and breadboard prototyping.
• Military & Telecom Hardware: Clean output filtering makes it ideal for legacy military communication boxes, field radios, ruggedized industrial network modems, and signal routers requiring specialized 16.5V infrastructure inputs.
• Commercial Automation & Security: Supports niche building control boxes, access control panels, specialized commercial camera configurations, and high-draw industrial electronics where standard 12V or 24V units cannot be utilized.