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GW-GSP550W-48

GSP series

INQUIRY READY

GW-GSP550W-48

Greatwall / Industrial Power Supply / GSP series

GW-GSP550W-48 applies 550W capacity and built-in dc fan across Network Systems, Telecom Equipment, Edge Computing, and Industrial Control; the result is clear headroom for sustained real-world workloads.

Model
GW-GSP550W-48
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
550W
AC Input Voltage
90–264Vac
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP550W-48 is designed for systems using a regulated 48V power architecture. Its high efficiency, remote sensing, remote ON/OFF control, active PFC, and forced-air cooling make it particularly suitable for continuously operating communication and network equipment. For this 550W capacity, installation planning should account for ambient temperature, pressure drop, service access, and the electrical limits of the surrounding platform.

Plan the GW-GSP550W-48 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-48 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

550W 48V Enclosed AC-DC Power Supply for Telecom, Network Infrastructure, Edge Systems, and Industrial Communications

The GW-GSP550W-48 delivers a stable 48V / 11.46A output with up to 550W rated power , making it suitable for telecom equipment, network appliances, edge-computing platforms, industrial communication systems, and other devices built around a 48V DC bus.

01

550W Regulated 48V Output

The GW-GSP550W-48 delivers a stable 48V / 11.46A output with up to 550W rated power , making it suitable for telecom equipment, network appliances, edge-computing platforms, industrial communication systems, and other devices built around a 48V DC bus.

02

High-Efficiency LLC Power Architecture

Its half-bridge LLC topology supports efficient power conversion, reduced switching losses, and stable operation under continuous load. Typical efficiency reaches 94% , helping reduce heat generation inside densely integrated equipment.

03

Universal AC Input with Active PFC

The 90–264Vac universal input range supports worldwide deployment without manual voltage selection. Built-in active PFC with PF greater than 0.97 improves input-current quality and power utilization.

04

Remote Control and Voltage Compensation

Remote ON/OFF control allows the power supply output to be managed by the host system. Remote sensing helps compensate for cable and terminal voltage loss, which is especially useful in higher-current 48V installations.

05

Forced-Air Cooling for Continuous Operation

An integrated DC fan provides forced-air cooling for sustained 550W output. The compact 230 × 127 × 40.5 mm enclosure supports installation in communication cabinets, network appliances, embedded racks, and customized electronic systems.

06

Protection and Reliability Features

The GW-GSP550W-48 includes short-circuit, overcurrent, overvoltage, and overtemperature protection. Adjustable output voltage, low ripple and noise, an output-status LED, high-temperature burn-in testing, and conformal coating further support dependable operation.

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-48 fits best.

The GW-GSP550W-48 is designed for systems using a regulated 48V power architecture. Its high efficiency, remote sensing, remote ON/OFF control, active PFC, and forced-air cooling make it particularly suitable for continuously operating communication and network equipment.

Deployment Scenario Application Description
Telecom Equipment Powers communication modules, access equipment, transmission units, and telecom control electronics
Network Infrastructure Supports routers, switches, gateways, network appliances, and rack-mounted communication devices
Edge Computing Supplies compact edge servers, distributed computing nodes, AI gateways, and remote-processing platforms
Industrial Communications Powers industrial Ethernet systems, protocol gateways, communication controllers, and factory-network equipment
Wireless Access Systems Supports wireless controllers, radio-access electronics, backhaul equipment, and communication interfaces
Custom 48V Platforms Integrates into proprietary electronic systems requiring a stable, high-efficiency 48V DC source

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP550W-48 combines an active-PFC front end with a half-bridge LLC conversion stage to generate a regulated 48V output from a universal AC source. At the full rated current of 11.46A, output wiring, terminal resistance, connector capacity, and PCB current paths should be evaluated carefully.

  • Remote sensing can compensate for voltage drop between the power supply and the load. Sense wires should be routed separately from high-current conductors and switching-noise sources to maintain accurate regulation.
  • Key reliability features include:
  • · Universal 90–264Vac input with active PFC and PF greater than 0.97
  • · Half-bridge LLC power-conversion topology
  • · Up to 94% typical conversion efficiency
  • · Built-in DC fan for forced-air cooling
  • · Remote ON/OFF control with remote voltage sensing
  • · Low-ripple and low-noise regulated 48V output
  • · Adjustable output voltage with LED status indication
  • · Comprehensive SCP, OCP, OVP, and OTP 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 terminals before applying power
Output Polarity Verify the positive and negative 48V terminals before connecting the load
Cable Selection Use short, low-resistance conductors rated for at least the full 11.46A output current
Terminal Tightening Secure all terminals firmly to reduce contact resistance and localized heating
Grounding Connect the protective-earth terminal to a reliable equipment ground
Remote Sensing Connect the sense lines with correct polarity and route them away from noisy power wiring
Remote ON/OFF Confirm the control-signal requirements before connecting the host controller
Fan Clearance Keep the fan intake and exhaust paths free from cables and structural obstructions
Installation Clearance Maintain sufficient space around the enclosure for continuous airflow
Output Adjustment Use a calibrated multimeter and make only small voltage adjustments
Load Capacity Keep continuous operation within the rated 550W and 11.46A limits
Maintenance Disconnect AC power and allow internal stored energy to discharge before inspection

FAQ

Frequently asked questions about GW-GSP550W-48.

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

What type of power supply is the GW-GSP550W-48?

The GW-GSP550W-48 is an enclosed AC-DC switching power supply with active PFC, half-bridge LLC conversion, built-in fan cooling, remote-control functions, and a regulated 48V output.

What are the dimensions of the GW-GSP550W-48?

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 48V DC, up to 11.46A, with a rated output power of 550W.

Does the GW-GSP550W-48 support remote sensing?

Yes. Remote sensing can compensate for voltage loss between the power supply and the connected load.

Does it include remote ON/OFF control?

Yes. The output can be enabled or disabled through an external control signal from the host system.

Does the unit require forced-air cooling?

Yes. It has a built-in DC fan, and both the air intake and exhaust areas must remain unobstructed during operation.

What protection functions are included?

The GW-GSP550W-48 includes short-circuit, overcurrent, overvoltage, and overtemperature protection.

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