GSP series

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GW-GSP1800W-48

Greatwall / Industrial Power Supply / GSP series

GW-GSP1800W-48 is a specialized choice for Network Equipment and Telecom Base Station; 1800W capacity and built-in dc fan with automatic speed control underpins stable service across demanding field environments.

Model
GW-GSP1800W-48
Product Type
Fully Digital Enclosed AC-DC Power Supply
Rated Output Power
1800W
AC Input Voltage
90–264Vac

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

PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP1800W-48 is designed for systems requiring a stable high-power 48V rail, remote supervision, strong electrical isolation, and scalable parallel operation. For this 1800W capacity, allow practical headroom for startup demand and transient loads, while keeping intake and exhaust paths clear throughout continuous operation. Before integration, confirm the connector mapping, chassis clearance, and supported input conditions against the target power shelf. 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-GSP1800W-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-GSP1800W-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

1800W 48V 37.5A Fully Digital AC-DC Power Supply for Telecom, Edge Computing, Network Infrastructure, and Distributed 48V Systems

The GW-GSP1800W-48 delivers a regulated 48V DC output at up to 37.5A , providing 1800W of rated power for telecom equipment, edge-computing platforms, industrial network cabinets, distributed power systems, communication infrastructure, and high-capacity 48V electronic equipment.

01

High-Power 48V DC Output

The GW-GSP1800W-48 delivers a regulated 48V DC output at up to 37.5A , providing 1800W of rated power for telecom equipment, edge-computing platforms, industrial network cabinets, distributed power systems, communication infrastructure, and high-capacity 48V electronic equipment.

02

Universal AC and High-Voltage DC Input

The power supply supports 90–264Vac and 127–370Vdc input, allowing operation from international AC mains or compatible high-voltage DC distribution systems.

03

Fully Digital Control with Active PFC

Fully digital regulation supports precise output control, responsive load management, and stable operation. Built-in active PFC provides a power factor of up to 0.99 .

04

Up to 92.5% Conversion Efficiency

With efficiency reaching 92.5% , the unit reduces conversion losses, heat generation, and thermal stress in continuously operating 48V systems.

05

Parallel Operation and Current Sharing

Up to four units can operate in parallel with active current sharing, supporting modular capacity expansion and higher-power 48V system configurations.

06

Remote Management and Intelligent Cooling

Remote ON/OFF, remote sensing, DC_OK signal output, auxiliary 12V power, customizable host-computer monitoring, and automatic fan-speed control simplify integration into intelligent equipment platforms.

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-GSP1800W-12 12V 1800W 150A High-current test systems, centralized 12V distribution, battery-related equipment, semiconductor manufacturing platforms, and low-voltage high-load electronic systems
GW-GSP1800W-24 24V 1800W 75A Industrial automation lines, robotic systems, CNC machinery, PLC cabinets, servo equipment, machine-vision platforms, and centralized 24V industrial power networks
GW-GSP1800W-48 48V 1800W 37.5A Telecom infrastructure, edge-computing systems, industrial network cabinets, communication equipment, distributed 48V power architectures, and battery-supported installations

DEPLOYMENT SCENARIOS

Where GW-GSP1800W-48 fits best.

The GW-GSP1800W-48 is designed for systems requiring a stable high-power 48V rail, remote supervision, strong electrical isolation, and scalable parallel operation.

Deployment Scenario Application Description
Telecom Infrastructure Powers base-station equipment, radio units, communication cabinets, and distributed telecom electronics
Edge Computing Supplies edge servers, local AI-processing platforms, industrial gateways, and compact computing nodes
Network Infrastructure Supports switches, routers, optical transmission equipment, and high-density communication cabinets
Distributed 48V Systems Provides centralized 48V power for downstream converters, control modules, and multiple electronic loads
Battery-Supported Equipment Integrates with compatible backup-power architectures and 48V energy-storage systems
Industrial Communication Powers industrial Ethernet equipment, communication controllers, monitoring platforms, and remote terminals

POWER DESIGN

Reliability notes for continuous operation.

At 48V and 37.5A, conductor resistance, connector quality, and terminal tightening directly affect voltage stability and heat generation. Use short, low-resistance conductors with adequate current capacity.

  • Connect remote-sensing wires directly to the load terminals to compensate for cable losses. Keep sensing wires separated from high-current conductors, fan wiring, and switching-noise sources.
  • For parallel operation, use output conductors with equal length and resistance, correctly connect the current-sharing interfaces, and maintain balanced airflow around every unit.
  • Key design features include:
  • · 90–264Vac and 127–370Vdc input compatibility
  • · Fully digital control with active PFC and PF up to 0.99
  • · Phase-shift full-bridge power-conversion topology
  • · Regulated 48V, 37.5A output with 1800W rated power
  • · Up to 92.5% efficiency with adjustable, low-ripple and low-noise output
  • · Built-in fan cooling with automatic speed control and fan-stall protection
  • · Remote ON/OFF control, remote voltage sensing, and DC_OK signal output
  • · 12V/0.8A auxiliary output with customizable host-computer monitoring
  • · Four-unit parallel operation with active current sharing
  • · Comprehensive input UVP/OVP, OSP, OCP, OVP, OTP, and constant-current protection, plus 3000Vac isolation, 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
DC Input Verify polarity and keep the source within 127–370Vdc
Output Polarity Confirm the positive and negative 48V terminals before connecting the load
Output Conductors Use short, low-resistance cables or busbars rated for at least 37.5A
Terminal Tightening Secure all high-current terminals to reduce heating and voltage drop
Remote Sensing Connect sensing wires directly at the load terminals
Voltage Adjustment Adjust gradually while monitoring output with calibrated instruments
Parallel Operation Use matched conductor lengths and correctly connect current-sharing interfaces
Remote ON/OFF Confirm the external controller’s signal requirements before connection
DC_OK Signal Verify signal-level compatibility with the monitoring controller
Auxiliary Output Keep the auxiliary 12V load within the specified 0.8A limit
Monitoring Interface Confirm communication requirements before host-system integration
Fan Clearance Keep air-intake and exhaust areas unobstructed
Grounding Connect protective earth to a reliable equipment ground
Load Limit Keep continuous operation within 48V, 37.5A, and 1800W
Maintenance Disconnect all input power and allow stored energy to discharge before servicing

FAQ

Frequently asked questions about GW-GSP1800W-48.

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

What type of power supply is the GW-GSP1800W-48?

It is a fully digital enclosed AC-DC power supply with active PFC, high-voltage DC input support, intelligent fan cooling, remote monitoring, and parallel current sharing.

What are the dimensions of the GW-GSP1800W-48?

The enclosure measures approximately 300 × 85 × 41 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?

It provides 48V DC, a maximum output current of 37.5A, and 1800W of rated output power.

Can multiple units operate in parallel?

Yes. Up to four units can operate in parallel with active current-sharing capability.

Which applications are best suited to the 48V version?

It is particularly suitable for telecom infrastructure, edge-computing platforms, network cabinets, communication systems, industrial Ethernet equipment, and distributed 48V power architectures.

What remote-control and monitoring functions are available?

The unit supports remote ON/OFF, remote sensing, DC_OK signal output, auxiliary 12V power, and customizable host-computer monitoring.

What protection functions are included?

Protection functions include input overvoltage, input undervoltage, OSP, OCP, OVP, OTP, constant-current protection, and fan-stall protection.