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GW-GSP350W-4

GSP series

INQUIRY READY

GW-GSP350W-4

Greatwall / Industrial Power Supply / GSP series

GW-GSP350W-4 matches DC Fan, Industrial Automation, Medical Equipment, Battery Charging System, and Marine & Ship Equipment with 240W capacity and built-in dc fan, helping operators achieve reliable integration in space-conscious equipment.

Model
GW-GSP350W-4
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
240W
AC Input Voltage
90–264Vac
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP350W-4 is intended for equipment requiring very high current from a low-voltage 4V rail. Its active PFC, half-bridge LLC conversion, built-in fan, standoff output connection, and compact enclosure support integration into validation, production-test, display-processing, and custom electronic systems. For this 240W capacity, before integration, confirm the connector mapping, chassis clearance, and supported input conditions against the target power shelf.

Plan the GW-GSP350W-4 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-GSP350W-4 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

240W 4V High-Current Enclosed AC-DC Power Supply for Semiconductor Validation, Burn-In Testing, LED Processing, and Custom Control Electronics

The GW-GSP350W-4 delivers a regulated 4V / 60A output with up to 240W of output power , supporting semiconductor validation platforms, automated burn-in systems, high-current control boards, LED-processing equipment, and other low-voltage electronic loads.

01

240W High-Current DC Power Capacity

The GW-GSP350W-4 delivers a regulated 4V / 60A output with up to 240W of output power , supporting semiconductor validation platforms, automated burn-in systems, high-current control boards, LED-processing equipment, and other low-voltage electronic loads.

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 test racks, production fixtures, embedded equipment, industrial cabinets, and other systems where vertical mounting space is limited.

03

Universal 90–264Vac Input Compatibility

It supports a wide 90–264Vac input range , allowing operation across common international AC power grids without manual input-voltage selection.

04

Stable 4V / 60A Output Performance

The unit provides a high-current 4V DC output at up to 60A , making it suitable for FPGA and ASIC validation boards, processor power platforms, high-current logic circuits, burn-in fixtures, and specialized low-voltage electronics.

05

Active PFC and Half-Bridge LLC Conversion

Built-in active PFC with PF greater than 0.99 improves input power utilization, while the half-bridge LLC topology supports stable voltage conversion and dependable continuous output.

06

Forced-Air Cooling and Comprehensive Protection

An integrated DC fan provides forced-air cooling for high-current operation. Low-ripple output, adjustable output voltage, an output-status LED, and short-circuit, overcurrent, overvoltage, and overtemperature protection support 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-GSP350W-4 4Vdc 60A 240W Semiconductor validation, burn-in fixtures, high-current control boards, and specialized 4V electronics
GW-GSP350W-5 5Vdc 60A 300W Embedded computing, LED processing, industrial controllers, and high-current 5V systems
GW-GSP350W-12 12Vdc 29.2A 350.4W Industrial computers, machine-vision platforms, security equipment, and 12V electronic systems
GW-GSP350W-15 15Vdc 23.3A 349.5W Test instruments, signal-processing equipment, imaging controllers, and dedicated 15V platforms
GW-GSP350W-24 24Vdc 14.6A 350.4W PLC systems, industrial automation, robotic interfaces, actuators, and process-control equipment
GW-GSP350W-27 27Vdc 13A 351W RF equipment, telemetry platforms, broadcast electronics, and specialized 27V systems
GW-GSP350W-36 36Vdc 9.7A 349W Motor-drive equipment, mobile automation, battery test systems, and dedicated 36V loads
GW-GSP350W-48 48Vdc 7.3A 350.4W Telecom infrastructure, industrial networking, remote communication, and distributed 48V systems

DEPLOYMENT SCENARIOS

Where GW-GSP350W-4 fits best.

The GW-GSP350W-4 is intended for equipment requiring very high current from a low-voltage 4V rail. Its active PFC, half-bridge LLC conversion, built-in fan, standoff output connection, and compact enclosure support integration into validation, production-test, display-processing, and custom electronic systems.

Deployment Scenario Application Description
FPGA and ASIC Validation Supplies high-current low-voltage power to development boards, accelerator modules, processor platforms, and validation fixtures
Semiconductor Burn-In Systems Powers device-aging racks, production burn-in boards, reliability-test platforms, and continuous-load fixtures
LED Processing Equipment Supports LED receiving cards, video-processing modules, display-control boards, and high-current logic electronics
Automated Board Test Provides regulated power for ICT fixtures, functional test stations, board verification, and production validation
High-Current Control Boards Powers custom industrial controllers, interface boards, processor modules, and specialized low-voltage electronics
Power Distribution Platforms Integrates into systems distributing a regulated 4V rail to multiple closely located electronic modules

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP350W-4 combines an active-PFC input stage with a half-bridge LLC conversion architecture to produce a regulated 4V output from a universal AC source. Its 60A output rating makes conductor resistance, terminal quality, current sharing, and voltage-drop control especially important.

  • The built-in DC fan provides forced-air cooling for sustained high-current operation. The optional dual-output overvoltage-protection configuration should be confirmed with the manufacturer before system integration when this function is required.
  • Key reliability features include:
  • · Active PFC with PF greater than 0.99
  • · Half-bridge LLC conversion topology
  • · Universal 90–264Vac input compatibility
  • · Built-in DC fan for forced-air cooling
  • · Low-ripple and low-noise regulated 4V output
  • · Adjustable output voltage with LED status indication
  • · Comprehensive SCP, OCP, OVP, and OTP protection
  • · Optional dual-output overvoltage-protection configuration
  • · 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 Input Confirm the live, neutral, and protective-earth terminals before applying power
Output Connection Verify the positive and negative 4V output terminals before connecting the load
Cable Selection Use very short, low-resistance conductors or busbars capable of safely carrying the full 60A output
Terminal Tightening Secure the standoff terminals firmly to minimize contact resistance and localized heating
Voltage Drop Measure voltage directly at the load under operating current and account for cable and connector losses
Current Distribution Use balanced conductors and connection points when the load is supplied through parallel output paths
Grounding Connect the protective-earth terminal to a reliable equipment ground
Fan Clearance Keep the fan intake and exhaust areas free from cables, panels, and other airflow obstructions
Installation Clearance Maintain adequate spacing around the enclosure for forced-air cooling
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 240W and 60A output limits
Maintenance Disconnect the AC input and allow stored energy to discharge before inspection or servicing

FAQ

Frequently asked questions about GW-GSP350W-4.

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

What type of power supply is the GW-GSP350W-4?

The GW-GSP350W-4 is an enclosed AC-DC switching power supply with active PFC, half-bridge LLC conversion, built-in forced-air cooling, and a high-current 4V output.

What are the dimensions of the GW-GSP350W-4?

Its external dimensions are approximately 215 × 115 × 30 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 4V DC, a maximum output current of 60A, and a rated output power of 240W.

Why is the model called GW-GSP350W-4 if the listed output is 240W?

The model belongs to the GW-GSP350W product family, while the supplied specification rates this 4V version at 4V × 60A = 240W.

Does the power supply use a cooling fan?

Yes. It includes a built-in DC fan for forced-air cooling during high-current operation.

What protection functions are included?

The power supply includes short-circuit, overcurrent, overvoltage, and overtemperature protection. An optional dual-output overvoltage-protection configuration is also indicated.

What must be considered when using the 60A output?

Use short, adequately sized conductors or busbars, secure low-resistance terminals, and measure voltage at the load under full current. Even small connection resistance can cause significant voltage drop and heat generation.

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