Get a quote
PRODUCT VIEW GW-GSP800W-5 product image 1

Images are for reference only. Actual product appearance may vary.

01 / 06

GW-GSP800W-5

GSP series

INQUIRY READY

GW-GSP800W-5

Greatwall / Industrial Power Supply / GSP series

GW-GSP800W-5 offers 400W capacity and built-in dc fan, forced-air cooling to Telecom Equipment, Industrial Automation, Led Display, and Servers & Network. That balance supports steady operation across always-on infrastructure.

Model
GW-GSP800W-5
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
400W
AC Input Voltage
90–264Vac
Request a Quote ↗

Need compatibility confirmation? Send us your model, label photo, power rating, and connector requirements.

PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP800W-5 is designed for applications requiring a tightly regulated 5V rail with high continuous current. Its remote functions, adjustable voltage and current settings, forced-air cooling, and signal outputs make it suitable for both standalone equipment and intelligent host-controlled systems. For this 400W capacity, system validation should cover standby behavior, load transitions, protection recovery, and monitoring compatibility under expected operating conditions.

Plan the GW-GSP800W-5 output wiring around the actual current demand: keep conductors short, use low-resistance terminations, separate power paths from sensitive signal wiring, and preserve access for retightening and inspection. Arrange the enclosure so heat from neighboring components cannot collect around the supply or its connection points.

Qualify the GW-GSP800W-5 at several load levels, measuring voltage at both the supply terminals and the equipment input rather than relying only on no-load readings. Record cable drop, connector temperature, and enclosure temperature as baseline values. Later maintenance checks can compare against this record to identify loose joints, rising contact resistance, or deteriorating heat dissipation before they interrupt service.

CORE ADVANTAGES

400W 5V High-Current Enclosed AC-DC Power Supply for Semiconductor Testing, Embedded Computing, LED Systems, and Automated Equipment

The GW-GSP800W-5 delivers a regulated 5V DC output at up to 80A , providing a total rated output power of 400W . It is designed for equipment requiring a stable, high-current low-voltage rail, including semiconductor test platforms, FPGA and ASIC systems, high-current LED equipment, and automated electronic test systems.

01

High-Current 5V / 80A Output

The GW-GSP800W-5 delivers a regulated 5V DC output at up to 80A , providing a total rated output power of 400W . It is designed for equipment requiring a stable, high-current low-voltage rail, including semiconductor test platforms, FPGA and ASIC systems, high-current LED equipment, and automated electronic test systems.

02

Universal 90–264Vac Input Range

The wide 90–264Vac input range supports operation across common international AC power systems without manual voltage selection, simplifying integration into globally deployed industrial and electronic equipment.

03

Half-Bridge LLC Architecture with Active PFC

A half-bridge LLC conversion topology supports efficient switching performance and stable output regulation. The built-in active PFC stage improves input-current quality and overall power utilization.

04

Adjustable Voltage and Current Settings

Both the output voltage and constant-current value can be adjusted to match specific load requirements. This is particularly useful for testing platforms, laboratory equipment, programmable electronic systems, and customized high-current applications.

05

Forced-Air Cooling and Remote Functions

The built-in DC fan provides forced-air cooling for continuous operation. Remote ON/OFF, remote sensing, auxiliary power, and DC_OK signal output help the power supply integrate into intelligent host systems and automated equipment.

06

Comprehensive Reliability Design

The unit includes OSP, OCP, OVP, and OTP protection functions, together with low-ripple output, an output-status LED, high-temperature burn-in testing, conformal coating, and support for operation at altitudes up to 5,000 meters.

MODEL SELECTION

Compare Greatwall industrial power options.

Review nearby Greatwall models and select the output voltage, power level, and integration profile that best match the target system.

Model Output Voltage Rated Output Power Nominal Output Current Best-Fit Application
GW-GSP800W-5 5V 400W 80A Semiconductor test fixtures, FPGA and ASIC development platforms, high-current LED modules, low-voltage embedded boards, and automated electronic test equipment
GW-GSP800W-12 12V 799.2W 66.6A GPU and edge-computing systems, machine-vision equipment, storage arrays, automated test platforms, and high-current 12V electronic assemblies
GW-GSP800W-15 15V 800W Approximately 53.3A Industrial imaging equipment, laboratory instruments, specialized embedded systems, programmable test platforms, and electronic equipment requiring a regulated 15V rail
GW-GSP800W-24 24V 800W Approximately 33.3A PLC cabinets, industrial automation systems, robotic controllers, machine-control equipment, actuators, and production-line electronics
GW-GSP800W-27 27V 800W Approximately 29.6A RF and broadcast equipment, microwave communication systems, specialized transmitters, industrial electronics, and equipment requiring a stable 27V supply
GW-GSP800W-36 36V 800W Approximately 22.2A AGV control systems, industrial actuators, motion-control equipment, battery-related test platforms, motor controllers, and automated machinery
GW-GSP800W-48 48V 800W Approximately 16.7A Telecom equipment, network appliances, edge-computing platforms, industrial communication systems, distributed 48V power systems, and control infrastructure

DEPLOYMENT SCENARIOS

Where GW-GSP800W-5 fits best.

The GW-GSP800W-5 is designed for applications requiring a tightly regulated 5V rail with high continuous current. Its remote functions, adjustable voltage and current settings, forced-air cooling, and signal outputs make it suitable for both standalone equipment and intelligent host-controlled systems.

Deployment Scenario Application Description
Semiconductor Test Platforms Powers device-under-test fixtures, wafer-level test equipment, burn-in racks, and semiconductor validation systems
FPGA and ASIC Systems Supplies high-current 5V power to programmable logic platforms, accelerator boards, and custom computing hardware
High-Current LED Equipment Supports LED display modules, industrial lighting controllers, inspection illumination, and high-density LED systems
Automated Test Equipment Powers electronic test fixtures, measurement racks, production-line testers, and reliability-validation equipment
Embedded Computing Systems Provides a stable 5V rail for embedded processors, interface boards, storage modules, and custom computing platforms
Industrial Electronics Supports customized controllers, communication interfaces, monitoring equipment, and low-voltage industrial assemblies

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP800W-5 provides a maximum output current of 80A, so output wiring and connection resistance are critical. Even a small voltage drop can significantly affect a 5V load. Cable length, conductor cross-section, terminal contact resistance, PCB copper thickness, connector capacity, and load distribution should all be evaluated carefully.

  • Remote sensing can compensate for voltage loss between the power supply and the connected equipment. The sense wires should be connected directly to the load terminals and routed separately from high-current output cables and switching-noise sources.
  • The adjustable constant-current function allows the output-current limit to be matched to the application. Adjustments should be performed gradually while monitoring both output voltage and load current with calibrated instruments.
  • Key reliability features include:
  • · Universal 90–264Vac input with active PFC and half-bridge LLC conversion
  • · Regulated 5V, 160A output with up to 800W rated power
  • · Adjustable output voltage and constant-current limit
  • · Built-in DC fan for forced-air cooling
  • · Remote ON/OFF control with remote voltage sensing
  • · Auxiliary power output with DC_OK status signal
  • · Low-ripple, low-noise output with LED status indication
  • · Comprehensive short-circuit, overcurrent, overvoltage, and overtemperature protection
  • · 100% high-temperature burn-in, conformal-coated PCB, and operation support up to 5,000 meters

INSTALLATION

Installation and operating guidance.

Confirm electrical compatibility, thermal clearance, mechanical fit, and system load before integration.

Item Installation Recommendation
AC Input Confirm live, neutral, and protective-earth connections before applying power
Output Polarity Verify the positive and negative 5V terminals before connecting the load
Output Conductors Use short, low-resistance cables capable of safely carrying the full 80A output current
Parallel Distribution Use properly designed busbars or distribution blocks when supplying multiple loads
Terminal Tightening Secure all high-current terminals firmly to reduce resistance and localized heating
Voltage Drop Measure the voltage directly at the load during full-current operation
Remote Sensing Connect the sensing wires at the load and route them separately from high-current cables
Current Adjustment Use calibrated test equipment and make only gradual constant-current adjustments
Remote ON/OFF Confirm the host-control signal requirements before connection
DC_OK Signal Verify the signal voltage and interface requirements before connecting the host controller
Fan Clearance Keep the cooling-air intake and exhaust areas unobstructed
Installation Clearance Maintain sufficient space around the enclosure for continuous airflow
Grounding Connect the protective-earth terminal to a reliable equipment ground
Load Capacity Keep continuous operation within the rated 5V, 80A, and 400W limits
Maintenance Disconnect AC input and allow stored energy to discharge before inspection

FAQ

Frequently asked questions about GW-GSP800W-5.

Key answers for specification matching, installation planning, and system integration.

What type of power supply is the GW-GSP800W-5?

The GW-GSP800W-5 is an enclosed AC-DC switching power supply with active PFC, half-bridge LLC conversion, built-in forced-air cooling, adjustable output settings, and remote-control functions.

What are the dimensions of the GW-GSP800W-5?

Its external dimensions are approximately 250 × 127 × 41 mm.

What input-voltage range does it support?

It supports a universal AC input range of 90–264Vac.

What are its rated output voltage, current, and power?

The unit provides 5V DC, a maximum output current of 80A, and a rated output power of 400W.

Can the output voltage and current be adjusted?

Yes. The output voltage and constant-current value are adjustable. Adjustments should be performed with calibrated measurement instruments and within the permitted operating range.

Does it support remote sensing?

Yes. Remote sensing can compensate for voltage loss between the power supply and the load, which is especially important in high-current 5V systems.

What system-control functions are available?

The unit supports remote ON/OFF, remote sensing, auxiliary power, and DC_OK signal output for integration with host-controlled equipment.

What protection functions are included?

The GW-GSP800W-5 includes OSP, OCP, OVP, and OTP protection functions to help protect the power supply and connected equipment.

KEEP EXPLORING

Related products

View category →