Instek PSW-720L22 DC Power Supply, Dual Channel, Prog. Switching, 40/40V, 720W, PSW-Multi Series

Instek PSW-720L22 – Dual-Channel Programmable Switching DC Power Supply (2× 40V, 720W Total Output).

The Instek PSW-720L22 is a high-efficiency, programmable switching DC power supply designed to meet the demands of modern electronic test environments. Each channel supports up to 40V and 27A, giving engineers the flexibility to power two independent loads or coordinate multi-channel setups from a single compact unit.

Built with a 1/3 rack 3U form factor, this power supply is ideal for space-limited workbenches or rack systems. A built-in web server interface allows for browser-based control, SCPI command execution, data logging, and sequence programming—making it perfect for automated test setups in R&D, education, and production environments.

This product is part of our comprehensive range of Multiple Output DC Power Supplies, providing engineers with flexible solutions for powering complex systems.

Key Features

• Dual Output Channels

  • Channel 1: 40V / 27A

  • Channel 2: 40V / 27A

• Total Output Power: 720W

• Switching Power Supply for high efficiency and reduced heat

• Adjustable Slew Rate – Configure rising/falling voltage transitions

• Ultra-Fast Output Response: <0.1 ms latency between channels with same voltage

• Built-in Web Server – Execute SCPI commands, control output, and log data via browser

• Communication Interfaces: LAN, USB, analog; optional GPIB-USB and RS232-USB adapters

• CC/CV Priority Modes – Ideal for battery charging, LED drivers, and capacitive loads

• LabVIEW Driver Supported – For seamless integration into automated test systems

For those looking to compare models, see our featured guide:
🔧 Best Benchtop Power Supplies for Electronics Engineers: Top Features, Brands, and Buying Guide for 2025

Why Choose the PSW-720L22?

• Balanced Dual Output – Perfect for powering symmetrical or independent loads

• Fast, Stable, Programmable – Designed for modern labs and ATE applications

• Remote-Friendly Design – With LAN/USB connectivity and browser-based control

• Compact and Efficient – Small footprint with big capabilities for demanding applications

Explore more options in our full selection of DC Power Supplies.

What’s Included

• Instek PSW-720L22 Dual-Channel DC Power Supply

• Power Cord

• GTL-123 Test Lead

• GTL-240 USB Cable

• PSW-004 Accessory Kit

• PSW-009 Terminal Cover

• User Documentation

Technical Specifications

Applications

• Dual-rail power systems

• Battery testing and charging stations

• LED and lighting driver design

• Educational lab environments

• ATE rack integration and industrial test benches