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GW-GSP150W-48

GSP series

INQUIRY READY

GW-GSP150W-48

Greatwall / Industrial Power Supply / GSP series

GW-GSP150W-48 is a specialized choice for Access Control and Communication Equipment; 150W capacity and natural convection underpins predictable operation in continuous-duty installations.

Model
GW-GSP150W-48
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
150W
Input Voltage Range
90–264Vac / 127–370Vdc
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP150W-48 is designed for systems requiring a regulated 48V DC supply with fanless operation, wide AC/DC input compatibility, and remote power control. Its compact enclosed structure and 3.12A output capacity make it suitable for telecom, networking, remote infrastructure, monitoring, and distributed-power applications. For this 150W 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.

Plan the GW-GSP150W-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-GSP150W-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

150W 48V Enclosed AC-DC Power Supply for Telecom Infrastructure, Industrial Networking, Remote Communication, and Distributed DC Systems

The GW-GSP150W-48 delivers up to 150W output power for telecom access equipment, industrial Ethernet devices, remote communication terminals, monitoring platforms, and other systems requiring a dependable 48V DC power source.

01

150W Stable DC Power Capacity

The GW-GSP150W-48 delivers up to 150W output power for telecom access equipment, industrial Ethernet devices, remote communication terminals, monitoring platforms, and other systems requiring a dependable 48V DC power source.

02

Slim 179 × 99 × 30 mm Enclosed Structure

Built in a compact 179 × 99 × 30 mm metal enclosure , this model is suitable for installation inside telecom cabinets, industrial network appliances, roadside communication equipment, monitoring systems, and other platforms where mounting space is limited.

03

Wide AC and DC Input Compatibility

It supports 90–264Vac input and 127–370Vdc input , allowing operation from common international AC grids as well as compatible high-voltage DC distribution systems.

04

Stable 48V / 3.12A Output Performance

The unit provides a regulated 48V DC output at up to 3.12A , making it suitable for telecom modules, industrial switches, communication gateways, distributed power equipment, remote monitoring devices, and other systems designed around a 48V power rail.

05

Active PFC with 90% Conversion Efficiency

Built-in active PFC improves input power utilization, while efficiency of up to 90% helps reduce conversion losses and supports stable thermal performance during continuous operation.

06

Natural Cooling with Remote ON/OFF Control

The fanless natural-convection design reduces acoustic noise and mechanical maintenance requirements. Remote ON/OFF control, 4242Vdc isolation, adjustable output voltage, and short-circuit, overcurrent, overvoltage, and overtemperature protection support reliable system integration.

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-GSP150W-5 5Vdc 30A 150W High-current LED controllers, embedded boards, industrial HMI equipment, and low-voltage control electronics
GW-GSP150W-12 12Vdc 12.5A 150W Communication terminals, security equipment, embedded computers, and general-purpose 12V systems
GW-GSP150W-15 15Vdc 10A 150W Test instruments, analog circuits, signal-conditioning modules, and specialized electronic equipment
GW-GSP150W-24 24Vdc 6.25A 150W PLC systems, industrial sensors, relays, actuators, and automation equipment
GW-GSP150W-27 27Vdc 5.56A 150W RF communication modules, monitoring devices, calibration systems, and dedicated 27V electronics
GW-GSP150W-48 48Vdc 3.13A 150W Telecom equipment, industrial networking, remote communication, and distributed 48V systems

DEPLOYMENT SCENARIOS

Where GW-GSP150W-48 fits best.

The GW-GSP150W-48 is designed for systems requiring a regulated 48V DC supply with fanless operation, wide AC/DC input compatibility, and remote power control. Its compact enclosed structure and 3.12A output capacity make it suitable for telecom, networking, remote infrastructure, monitoring, and distributed-power applications.

Deployment Scenario Application Description
Telecom Access Equipment Powers access nodes, radio controllers, transmission interfaces, and compact telecom electronics
Industrial Ethernet Systems Supports managed switches, industrial gateways, protocol converters, and network-control devices
Remote Communication Cabinets Supplies stable power to roadside communication units, field terminals, and remote infrastructure electronics
Distributed 48V Platforms Functions as a local AC-DC source for equipment distributing regulated 48V power to downstream modules
Remote Monitoring Systems Powers data-acquisition devices, supervision controllers, environmental monitors, and communication-enabled sensors
Remote-Controlled Equipment Supports systems using remote ON/OFF control for centralized or automated power management

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP150W-48 uses an active-PFC input stage and flyback conversion topology to convert a wide AC or high-voltage DC input into a regulated 48V output. Its 3.12A current capability supports communication and industrial-networking equipment while maintaining a slim mechanical profile.

  • Natural-convection cooling eliminates the need for an integrated fan, reducing acoustic noise and mechanical wear. The remote ON/OFF interface allows compatible host equipment to control the power state without physically disconnecting the input source.
  • Key reliability features include:
  • · Active PFC with flyback conversion topology
  • · 90–264Vac and 127–370Vdc input compatibility
  • · Natural-convection fanless cooling
  • · Remote ON/OFF power control
  • · Up to 90% efficiency with low-ripple, low-noise 48V output
  • · Adjustable output voltage with LED status indication
  • · Comprehensive SCP, OCP, OVP, and OTP protection
  • · 100% high-temperature burn-in and 5G vibration 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 or DC Input Confirm the input source and connect it only within the specified AC or DC voltage range
DC Input Polarity Verify positive and negative polarity carefully when using the 127–370Vdc input option
Output Connection Confirm the positive and negative 48V output terminals before connecting the load
Cable Selection Use conductors capable of safely carrying the full 3.12A output current
Terminal Tightening Secure all terminal connections to reduce voltage drop, localized heating, and intermittent contact
Grounding Connect the protective-earth terminal to a reliable equipment ground
Natural Cooling Install the unit where air can circulate freely through and around the enclosure
Installation Clearance Keep adequate spacing from heat sources, solid panels, and airflow obstructions
Output Adjustment Use a calibrated multimeter when making minor output-voltage adjustments
Remote ON/OFF Confirm the required control logic and wiring before connecting the remote-control interface
Long Cable Runs Consider conductor size and cable resistance when distributing 48V power over longer distances
Maintenance Disconnect the input and allow stored energy to discharge before inspection or servicing

FAQ

Frequently asked questions about GW-GSP150W-48.

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

What type of power supply is the GW-GSP150W-48?

The GW-GSP150W-48 is an enclosed, fanless AC-DC switching power supply with active PFC, high-voltage DC input compatibility, remote ON/OFF control, and a regulated 48V output.

What are the dimensions of the GW-GSP150W-48?

Its external dimensions are approximately 179 × 99 × 30 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?

The unit provides 48V DC, a maximum output current of 3.12A, and a rated output power of 150W.

Does the GW-GSP150W-48 require a cooling fan?

No. It uses natural-convection cooling. Adequate installation clearance and surrounding airflow are still required for reliable heat dissipation.

What does the remote ON/OFF function do?

It allows compatible host equipment or control circuitry to switch the power output state remotely without mechanically disconnecting the input source.

What protection functions are included?

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

What applications are best suited to this model?

It is suitable for telecom access equipment, industrial Ethernet systems, remote communication cabinets, distributed 48V platforms, monitoring systems, and other equipment requiring a regulated 48V supply.

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