GW Instek GPE-X323A Series, Multi-Channel Linear DC Power Supplies Introduction

The GW Instek GPE-X323A series represents the evolution of the esteemed GPE-X323 line, integrating advanced digital control, automatic tracking functions, and comprehensive protections. With a 4.3" LCD display and optimized heat dissipation design, this series is ideal for precision testing and extended-duration applications.

• 4 models: GPE-1326A (1 channel), GPE-2323A (2 channels), GPE-3323A (3 channels), GPE-4323A (4 channels)
• Independent isolated channels with automatic series/parallel functions
• Digital control with encoder switch for improved accuracy and durability
• High resolution: 10 mV/1 mA for setting and reading
• Integrated protections: OVP, OCP, OTP and panel lock function
• 4.3" monochrome LCD display for clear parameter visualization

Target Applications

• Scientific research and experimental testing
• Applications requiring low noise and stable voltage output
• Electronic component measurements
• 3C electronics product testing (Computer, Communication, Consumer)

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Technological Innovations

• Encoder switch control: Replaces conventional VR knobs for greater accuracy and durability
• Advanced OVP protection: Individual settings for each channel for maximum flexibility
• Set View function: Check parameters without disabling output
• Panel Lock: Protection against accidental operations during extended tests
• Optimized heat dissipation: Improved thermal design for continuous operation

Key Technical Specifications

• Line regulation: ≤0.01% + 3 mV
• Load regulation: ≤0.01% + 3 mV (≤3A) / ≤0.02% + 5 mV (>3A)
• Ripple and noise: ≤1 mVrms (5 Hz - 1 MHz)
• Recovery time: ≤100 μs (50% load change, min load 0.5A)
• Setting/reading resolution: 10 mV / 1 mA
• Accuracy: ±(0.1% of reading + 30 mV) voltage, ±(0.3% of reading + 6 mA) current

Automatic Series/Parallel Functions

• Series mode (CH1/CH2): 0-64V / 0-3A (doubles voltage)
• Parallel mode (CH1/CH2): 0-32V / 0-6A (doubles current)
• Tracking error: ≤0.1% + 10 mV of Master (no load)
• Automatic internal connection: CH1/CH2 without external wiring

Complete Protection System

• OVP (Over Voltage Protection): Range 1-36V (CH1/CH2), 1-6V (CH3), 1-16V (CH4)
• OCP (Over Current Protection): Programmable overcurrent protection
• OTP (Over Temperature Protection): Automatic thermal protection
• Reverse polarity protection: Integrated on all channels
• Isolation: 20 MΩ (terminals-chassis), 30 MΩ (chassis-AC)

Operating and Environmental Specifications

• Power supply: AC 100/120/220V ±10%, 230V +10%/-6%, 50/60 Hz
• Consumption: 550 VA / 420 W max
• Operating temperature: 0°C to 40°C, humidity ≤80%
• Dimensions: 210 × 155 × 306 mm (W×H×D)
• Weight: Approximately 7 kg

Standard Equipment

• Included: Power cord, component list
• European test leads:
• GPE-1326A: GTL-204A × 1, GTL-203A × 1
• GPE-2323A: GTL-204A × 2
• GPE-3323A: GTL-204A × 3
• GPE-4323A: GTL-204A × 2, GTL-203A × 2

Remote Control

• Remote control terminal: ON/OFF outputs via rear connector
• Pin configuration: Pin 7&8 (setting), Pin 9&10 (ON/OFF control)
• Status indication: Flashing ON/OFF icons during remote control