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GW-GSP550W-12

GSP series

INQUIRY READY

GW-GSP550W-12

Greatwall / Industrial Power Supply / GSP series

GW-GSP550W-12 matches Smart Cooling, Led Display, Industrial Control, Security System, and Communication Equipment with 550.1W capacity and built-in dc fan, helping operators achieve controlled delivery for equipment expected to run for long periods.

Model
GW-GSP550W-12
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
550.1W
AC Input Voltage
90–264Vac
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP550W-12 is designed for systems requiring substantial current from a stable 12V rail. Its active PFC, half-bridge LLC conversion, built-in fan, remote sensing, and high-current output support integration into computing, robotics, inspection, and security applications. For this 550.1W capacity, before integration, confirm the connector mapping, chassis clearance, and supported input conditions against the target power shelf.

Plan the GW-GSP550W-12 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-GSP550W-12 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

550.1W 12V Enclosed AC-DC Power Supply for Industrial Computers, Robotics, Automated Inspection, and Security Equipment

The GW-GSP550W-12 delivers a regulated 12V / 45.84A output with up to 550.1W of output power , supporting industrial computers, robotic controllers, automated inspection equipment, security platforms, and other systems requiring a stable high-current 12V DC source.

01

550.1W High-Current 12V Power Capacity

The GW-GSP550W-12 delivers a regulated 12V / 45.84A output with up to 550.1W of output power , supporting industrial computers, robotic controllers, automated inspection equipment, security platforms, and other systems requiring a stable high-current 12V DC source.

02

Compact 230 × 127 × 40.5 mm Enclosed Structure

Built in a durable 230 × 127 × 40.5 mm metal enclosure , this model is suitable for installation inside industrial cabinets, machine-control systems, inspection platforms, security equipment, and embedded computing enclosures.

03

Universal 90–264Vac Input Compatibility

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

04

Stable 12V / 45.84A Output Performance

The unit provides a regulated 12V DC output at up to 45.84A , making it suitable for industrial motherboards, robotic control systems, camera arrays, storage equipment, motors, communication modules, and other demanding 12V loads.

05

Active PFC and Half-Bridge LLC Conversion

Built-in active PFC with PF greater than 0.97 improves input power utilization, while the half-bridge LLC topology supports efficient conversion, stable voltage regulation, and reliable continuous operation.

06

Forced-Air Cooling with Remote Control Functions

An integrated DC fan provides forced-air cooling for sustained high-load operation. Remote ON/OFF, remote sensing, adjustable output voltage, low-ripple output, and short-circuit, overcurrent, overvoltage, and overtemperature protection support dependable 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-GSP550W-5 5Vdc 70A 350W Semiconductor testing, embedded computing, LED processing, processor boards, and high-current 5V systems
GW-GSP550W-12 12Vdc 45.84A 550W Industrial computers, surveillance equipment, robotic controllers, and high-power 12V platforms
GW-GSP550W-15 15Vdc 36.66A 550W Laboratory instruments, imaging systems, automated test equipment, and dedicated 15V electronics
GW-GSP550W-24 24Vdc 22.92A 550W PLC cabinets, industrial automation, process control, actuators, and machinery interfaces
GW-GSP550W-27 27Vdc 20.37A 550W RF equipment, broadcast systems, microwave communication, and specialized 27V platforms
GW-GSP550W-48 48Vdc 11.46A 550W Telecom equipment, industrial networking, edge communication, and distributed 48V systems

DEPLOYMENT SCENARIOS

Where GW-GSP550W-12 fits best.

The GW-GSP550W-12 is designed for systems requiring substantial current from a stable 12V rail. Its active PFC, half-bridge LLC conversion, built-in fan, remote sensing, and high-current output support integration into computing, robotics, inspection, and security applications.

Deployment Scenario Application Description
Industrial Computers Powers industrial motherboards, expansion cards, storage devices, communication modules, and embedded computing platforms
Robotics Controllers Supplies stable 12V power to robotic controllers, motion interfaces, sensors, actuators, and auxiliary electronics
Automated Inspection Systems Supports machine-vision computers, cameras, illumination controllers, image processors, and inspection equipment
Security Equipment Powers surveillance recorders, multi-camera systems, access-control platforms, and monitoring electronics
Storage Platforms Suitable for disk arrays, storage controllers, network-attached storage, and high-current drive systems
Custom 12V Equipment Integrates into industrial, laboratory, communication, and embedded platforms designed around a regulated 12V rail

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP550W-12 combines an active-PFC input stage with a half-bridge LLC conversion architecture to produce a regulated 12V output from a universal AC source. Because the output current can reach 45.84A, conductor resistance, terminal quality, PCB copper capacity, connector selection, and voltage-drop control are important during integration.

  • The remote-sensing function can compensate for voltage loss between the power supply and the load. Sense wires should be connected according to the system design and routed away from high-noise wiring.
  • Key reliability features include:
  • · Active PFC with PF greater than 0.97 and half-bridge LLC conversion
  • · Universal 90–264Vac input compatibility
  • · Built-in DC fan for forced-air cooling
  • · Remote ON/OFF control with remote voltage sensing
  • · Up to 93.5% efficiency with low-ripple, low-noise 12V 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

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 Polarity Verify the positive and negative 12V terminals before connecting the load
Cable Selection Use short, low-resistance conductors or suitable busbars capable of carrying the full 45.84A output
Terminal Tightening Secure all output terminals firmly to reduce contact resistance and localized heating
Voltage Drop Measure the voltage directly at the load under normal operating current
Remote Sensing Connect the sense lines correctly and keep them away from high-noise wiring
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 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 load
Load Capacity Keep the continuous load within the rated 550.1W and 45.84A output limits
Maintenance Disconnect the AC input and allow stored energy to discharge before inspection or servicing

FAQ

Frequently asked questions about GW-GSP550W-12.

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

What type of power supply is the GW-GSP550W-12?

The GW-GSP550W-12 is an enclosed AC-DC switching power supply with active PFC, half-bridge LLC conversion, built-in forced-air cooling, remote control functions, and a regulated high-current 12V output.

What are the dimensions of the GW-GSP550W-12?

Its external dimensions are approximately 230 × 127 × 40.5 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 12V DC, a maximum output current of 45.84A, and a rated output power of 550.1W.

Does the GW-GSP550W-12 support remote sensing?

Yes. Remote sensing helps compensate for voltage drop between the power supply and the connected load, which is useful in high-current 12V systems.

Does the power supply include remote ON/OFF control?

Yes. The remote ON/OFF function allows the output to be enabled or disabled through an external control signal.

Does the GW-GSP550W-12 require forced-air cooling?

Yes. It includes a built-in DC fan and requires unobstructed airflow for reliable operation under high load.

What protection functions are included?

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

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