GSP series

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GW-GSP1100W-48

Greatwall / Industrial Power Supply / GSP series

GW-GSP1100W-48 serves Industrial Networking, Telecom Power Systems, Battery Charging, and Communication Cabinets through 1100W capacity and built-in dc fan with automatic speed control. This configuration delivers clear headroom for sustained real-world workloads.

Model
GW-GSP1100W-48
Product Type
Fully Digital Enclosed AC-DC Power Supply
Rated Output Power
1100W
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-GSP1100W-48 is designed for high-power systems that require a stable 48V rail, remote supervision, parallel expansion, and efficient long-distance DC distribution. For this 1100W capacity, installation planning should account for ambient temperature, pressure drop, service access, and the electrical limits of the surrounding platform. System validation should cover standby behavior, load transitions, protection recovery, and monitoring compatibility under expected operating conditions. Allow practical headroom for startup demand and transient loads, while keeping intake and exhaust paths clear throughout continuous operation.

Plan the GW-GSP1100W-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-GSP1100W-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

1100W 48V 23A Fully Digital Enclosed AC-DC Power Supply for Telecom Infrastructure, Edge Computing, Industrial Networks, and Distributed 48V Systems

The GW-GSP1100W-48 provides a stable 48V DC output at up to 23A , delivering 1100W of rated power for telecom equipment, network infrastructure, edge-computing platforms, industrial communication systems, and centralized 48V power distribution.

01

Regulated 48V / 23A High-Power Output

The GW-GSP1100W-48 provides a stable 48V DC output at up to 23A , delivering 1100W of rated power for telecom equipment, network infrastructure, edge-computing platforms, industrial communication systems, and centralized 48V power distribution.

02

Universal AC and High-Voltage DC Input

The unit supports 90–264Vac and 127–370Vdc input, allowing deployment with international AC mains or high-voltage DC power architectures.

03

Fully Digital Control with Active PFC

Fully digital control supports accurate voltage regulation, intelligent operating supervision, and stable power delivery. Built-in active PFC provides a power factor of up to 0.99 .

04

Parallel Operation and Current Sharing

Up to four units can operate in parallel with current-sharing capability, supporting modular capacity expansion and high-availability power configurations.

05

Remote Control and Intelligent Monitoring

Remote ON/OFF, remote sensing, DC_OK signal output, auxiliary 12V power, and customizable host-computer monitoring simplify integration with telecom controllers, industrial networks, and centralized power-management systems.

06

Automatic Fan Cooling and Comprehensive Protection

The built-in DC fan automatically adjusts its speed according to operating conditions. Protection functions include input overvoltage, input undervoltage, OSP, OCP, OVP, OTP, constant-current protection, and fan-stall protection.

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-GSP1100W-12 12V 1100W 92A High-current industrial computers, storage arrays, machine-vision platforms, automated test equipment, and centralized 12V electronic assemblies
GW-GSP1100W-24 24V 1100W 46A PLC cabinets, robotic production lines, CNC machinery, industrial actuators, motion-control systems, and centralized 24V distribution
GW-GSP1100W-48 48V 1100W 23A Telecom base-station equipment, network switches, edge-computing platforms, industrial communication cabinets, distributed 48V systems, and battery-supported infrastructure

DEPLOYMENT SCENARIOS

Where GW-GSP1100W-48 fits best.

The GW-GSP1100W-48 is designed for high-power systems that require a stable 48V rail, remote supervision, parallel expansion, and efficient long-distance DC distribution.

Deployment Scenario Application Description
Telecom Infrastructure Powers base-station controllers, radio-access equipment, transmission units, and telecom cabinets
Network Equipment Supplies enterprise switches, routers, optical transport devices, and communication gateways
Edge Computing Supports rugged edge servers, distributed processing nodes, and remote computing platforms
Industrial Networking Powers industrial Ethernet equipment, communication controllers, protocol gateways, and factory-network cabinets
Distributed 48V Systems Provides centralized 48V power for multiple downstream converters and electronic subsystems
Battery-Supported Platforms Integrates with 48V backup systems, charging architectures, and continuity-power installations

POWER DESIGN

Reliability notes for continuous operation.

At 48V and 23A, conductor resistance can still produce meaningful voltage drop in long cable runs. Use appropriately sized low-resistance conductors and securely tighten every high-current terminal.

  • Remote sensing should be connected directly at the load terminals to compensate for distribution losses. Route sensing wires separately from high-current conductors, fan wiring, and switching-noise sources.
  • For parallel operation, use output cables of equal length and resistance, correctly connect the current-sharing interfaces, and maintain balanced airflow around all power supplies.
  • 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, 23A output with 1100W rated power
  • Adjustable output voltage with low-ripple, low-noise performance
  • Built-in fan cooling with automatic speed control and fan-stall protection
  • Remote ON/OFF control, remote 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
  • 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 input polarity and keep the source within 127–370Vdc
Output Polarity Confirm positive and negative 48V terminals before connecting the load
Output Conductors Use short, low-resistance conductors rated for at least 23A
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 the output with calibrated instruments
Parallel Operation Use matched cable lengths and correctly connect current-sharing interfaces
Remote ON/OFF Verify the external controller’s signal requirements before connection
DC_OK Signal Confirm 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, 23A, and 1100W
Maintenance Disconnect all input power and allow stored energy to discharge before servicing

FAQ

Frequently asked questions about GW-GSP1100W-48.

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

What type of power supply is the GW-GSP1100W-48?

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

What are the dimensions of the GW-GSP1100W-48?

The enclosure measures approximately 280 × 127 × 41 mm.

What input-voltage ranges does it support?

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

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

The unit provides 48V DC, a maximum output current of 23A, and 1100W 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 equipment, network infrastructure, edge-computing platforms, industrial communication systems, and distributed 48V architectures.

What remote-control and monitoring functions are available?

It 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.