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GW-GSP200W-5

GSP series

INQUIRY READY

GW-GSP200W-5

Greatwall / Industrial Power Supply / GSP series

GW-GSP200W-5 serves Industrial Automation, Communication Equipment, and Surveillance Systems through 140W capacity and natural convection. This configuration delivers a balanced fit for serviceable, high-availability installations.

Model
GW-GSP200W-5
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
140W
AC Input Voltage
90–264Vac
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP200W-5 is designed for systems requiring a stable, high-current 5V power rail. Its wide AC/DC input range, active PFC, half-bridge LLC conversion, fanless cooling, and standoff output connection make it suitable for embedded, display, industrial-interface, and production-test applications. For this 140W capacity, for long-term service, document fan inspection, connector seating, event-log review, and replacement procedures as part of the maintenance plan. Commissioning should verify grounding, input protection, output stability, and the response of any redundant or hot-swap control logic.

Plan the GW-GSP200W-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-GSP200W-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

140W 5V 28A Enclosed AC-DC Power Supply for Embedded Computing, Display Control, Industrial HMI, and Automated Test Systems

The GW-GSP200W-5 delivers a regulated 5V / 28A output with up to 140W of output power , supporting embedded computing boards, display-control electronics, industrial interfaces, automated test equipment, and other low-voltage systems with substantial current demand.

01

140W High-Current DC Power Capacity

The GW-GSP200W-5 delivers a regulated 5V / 28A output with up to 140W of output power , supporting embedded computing boards, display-control electronics, industrial interfaces, automated test equipment, and other low-voltage systems with substantial current demand.

02

Low-Profile 215 × 115 × 30 mm Enclosed Structure

Built in a slim 215 × 115 × 30 mm metal enclosure , this model is suitable for installation inside industrial terminals, display systems, test stations, embedded platforms, and other equipment where vertical mounting space is limited.

03

Wide AC and DC Input Compatibility

It supports 90–264Vac input and 127–370Vdc input , enabling operation from common international AC grids as well as compatible high-voltage DC distribution systems.

04

Stable 5V / 28A Output Performance

The unit provides a high-current 5V DC output at up to 28A , making it suitable for FPGA platforms, embedded processor boards, LED display controllers, logic circuits, interface modules, and specialized 5V electronic loads.

05

Active PFC and Half-Bridge LLC Conversion

Built-in active PFC improves input power utilization, while the half-bridge LLC topology supports efficient high-current conversion, stable output regulation, and dependable continuous operation.

06

Fanless Cooling and Comprehensive Protection

With natural-convection cooling, adjustable output voltage, low-ripple output, and short-circuit, overcurrent, overvoltage, and overtemperature protection, the GW-GSP200W-5 supports reliable operation from -30°C to +70°C .

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 Current Rated Power Best-Fit Application
GW-GSP200W-4 4Vdc 50A 200W High-current processor rails, automated test fixtures, LED controllers, and specialized 4V electronics
GW-GSP200W-5 5Vdc 40A 200W Embedded boards, display-control systems, logic circuits, and high-current 5V equipment
GW-GSP200W-12 12Vdc 16.7A 200W Industrial computers, security equipment, communication terminals, and general-purpose 12V systems
GW-GSP200W-15 15Vdc 13.3A 200W Test instruments, signal-processing modules, machine-vision equipment, and dedicated 15V electronics
GW-GSP200W-24 24Vdc 8.3A 200W PLC systems, industrial sensors, relays, actuators, and automation equipment
GW-GSP200W-27 27Vdc 7.4A 200W RF communication modules, broadcast electronics, telemetry systems, and specialized 27V loads
GW-GSP200W-36 36Vdc 5.6A 200W Industrial drives, battery-related equipment, control platforms, and dedicated 36V systems
GW-GSP200W-48 48Vdc 4.2A 200W Telecom infrastructure, industrial networking, remote communication, and distributed 48V systems

DEPLOYMENT SCENARIOS

Where GW-GSP200W-5 fits best.

The GW-GSP200W-5 is designed for systems requiring a stable, high-current 5V power rail. Its wide AC/DC input range, active PFC, half-bridge LLC conversion, fanless cooling, and standoff output connection make it suitable for embedded, display, industrial-interface, and production-test applications.

Deployment Scenario Application Description
Embedded Computing Platforms Powers processor boards, FPGA modules, carrier boards, storage interfaces, and peripheral circuits
Digital Signage Controllers Supplies stable 5V power to media-control boards, LED receiving cards, display processors, and information panels
Industrial HMI Systems Supports touchscreen terminals, operator panels, compact industrial computers, and interface electronics
Automated Test Fixtures Powers production test jigs, validation stations, programmable loads, and electronic burn-in equipment
Communication Control Boards Suitable for protocol interfaces, gateway boards, low-voltage network modules, and control electronics
Custom High-Current Electronics Integrates into specialized equipment requiring a regulated 5V rail with substantial continuous current

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP200W-5 combines an active-PFC input stage with a half-bridge LLC conversion architecture to produce a regulated 5V output from a wide AC or high-voltage DC input. Its 28A current capability makes conductor resistance, terminal quality, and voltage-drop control especially important.

  • Natural-convection cooling eliminates the need for an integrated fan, reducing acoustic noise and mechanical maintenance. The adjustable output-voltage function can assist with system calibration or compensation for losses in short output conductors.
  • Key reliability features include:
  • · Active PFC with half-bridge LLC conversion
  • · 90–264Vac and 127–370Vdc input compatibility
  • · Natural-convection fanless cooling
  • · Up to 84% conversion efficiency
  • · Low-ripple and low-noise regulated 5V output
  • · Adjustable output voltage with LED status indication
  • · Comprehensive SCP, OCP, OVP, and OTP protection
  • · 100% high-temperature burn-in testing
  • · Conformal-coated PCB with operation support up to 5,000 meters
  • · Design aligned with IEC, EN, and UL 62368 safety requirements

INSTALLATION

Installation and operating guidance.

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

Item Installation Recommendation
AC or DC Input Confirm the input source and connect it only within the specified AC or DC voltage range
DC Input Polarity Verify polarity carefully when using the 127–370Vdc input option
Output Connection Confirm the positive and negative 5V output terminals before connecting the load
Cable Selection Use very short, low-resistance conductors capable of safely carrying the full 28A output current
Terminal Tightening Secure the standoff connections firmly to minimize contact resistance and localized heating
Voltage Drop Measure voltage at the load under full current and account for conductor and terminal losses
Grounding Connect the protective-earth terminal to a reliable equipment ground
Natural Cooling Install the unit where air can circulate freely through and around the enclosure
Installation Clearance Keep adequate spacing from heat sources, solid panels, and airflow obstructions
Output Adjustment Use a calibrated multimeter and make only small adjustments while monitoring the connected load
Load Capacity Keep the continuous load within the rated 140W and 28A output limits
Maintenance Disconnect the input and allow stored energy to discharge before inspection or servicing

FAQ

Frequently asked questions about GW-GSP200W-5.

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

What type of power supply is the GW-GSP200W-5?

The GW-GSP200W-5 is an enclosed, fanless AC-DC switching power supply with active PFC, half-bridge LLC conversion, high-voltage DC input compatibility, and a high-current 5V output.

What are the dimensions of the GW-GSP200W-5?

Its external dimensions are approximately 215 × 115 × 30 mm.

What input-voltage ranges does it support?

It supports 90–264Vac input and 127–370Vdc input.

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

The unit provides 5V DC, a maximum output current of 28A, and a rated output power of 140W.

Why is the model called GW-GSP200W-5 if the listed output is 140W?

The model belongs to the GW-GSP200W product family, while the supplied specification rates this low-voltage version at 5V × 28A = 140W.

Does the power supply require a cooling fan?

No. It uses natural-convection cooling. Adequate installation clearance and surrounding airflow are still required for reliable heat dissipation.

What protection functions are included?

The power supply includes short-circuit, overcurrent, overvoltage, and overtemperature protection.

What should be considered when using the 28A output?

Use short, adequately sized conductors and low-resistance connections. Measure voltage directly at the load under operating current because even small wiring resistance can create a meaningful voltage drop.

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