GSP series

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GW-GSP350W-48

Greatwall / Industrial Power Supply / GSP series

GW-GSP350W-48 offers 350.4W capacity and built-in dc fan to Industrial Networking and Telecom Cabinets. That balance supports consistent performance where uptime and maintainability matter.

Model
GW-GSP350W-48
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
350.4W
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-GSP350W-48 is designed for equipment requiring substantial power from a regulated 48V rail. Its active PFC, half-bridge LLC conversion, built-in fan, compact enclosure, and standoff output connection support integration into telecom, networking, remote communication, and distributed-control applications. For this 350.4W capacity, commissioning should verify grounding, input protection, output stability, and the response of any redundant or hot-swap control logic. Qualification should include airflow direction, thermal margin, cable routing, and access for routine module replacement.

Plan the GW-GSP350W-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-GSP350W-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

350.4W 48V Enclosed AC-DC Power Supply for Telecom Cabinets, Industrial Networking, Remote Radio Systems, and Distributed Power Equipment

The GW-GSP350W-48 delivers a regulated 48V / 7.3A output with up to 350.4W of output power , supporting telecom cabinets, industrial networking equipment, remote radio systems, distributed communication platforms, and other applications requiring a dependable 48V DC source.

01

350.4W High-Power DC Capacity

The GW-GSP350W-48 delivers a regulated 48V / 7.3A output with up to 350.4W of output power , supporting telecom cabinets, industrial networking equipment, remote radio systems, distributed communication platforms, and other applications requiring a dependable 48V DC source.

02

Low-Profile 215 × 115 × 30 mm Enclosed Structure

Built in a slim 215 × 115 × 30 mm metal enclosure , this model is suitable for installation inside communication racks, network appliances, edge cabinets, remote equipment enclosures, and other systems where vertical mounting space is limited.

03

Universal 90–264Vac Input Compatibility

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

04

Stable 48V / 7.3A Output Performance

The unit provides a regulated 48V DC output at up to 7.3A , making it suitable for telecom access devices, industrial Ethernet equipment, remote radio units, communication gateways, distributed controllers, and other dedicated 48V loads.

05

Active PFC and Half-Bridge LLC Conversion

Built-in active PFC with PF greater than 0.99 improves input power utilization, while the half-bridge LLC topology supports efficient conversion, stable voltage regulation, and dependable continuous operation.

06

Built-In Fan Cooling and Comprehensive Protection

An integrated DC fan provides forced-air cooling for sustained high-power operation. Low-ripple output, adjustable output voltage, an output-status LED, and short-circuit, overcurrent, overvoltage, and overtemperature protection support reliable 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-GSP350W-4 4Vdc 60A 240W Semiconductor validation, burn-in fixtures, high-current control boards, and specialized 4V electronics
GW-GSP350W-5 5Vdc 60A 300W Embedded computing, LED processing, industrial controllers, and high-current 5V systems
GW-GSP350W-12 12Vdc 29.2A 350.4W Industrial computers, machine-vision platforms, security equipment, and 12V electronic systems
GW-GSP350W-15 15Vdc 23.3A 349.5W Test instruments, signal-processing equipment, imaging controllers, and dedicated 15V platforms
GW-GSP350W-24 24Vdc 14.6A 350.4W PLC systems, industrial automation, robotic interfaces, actuators, and process-control equipment
GW-GSP350W-27 27Vdc 13A 351W RF equipment, telemetry platforms, broadcast electronics, and specialized 27V systems
GW-GSP350W-36 36Vdc 9.7A 349W Motor-drive equipment, mobile automation, battery test systems, and dedicated 36V loads
GW-GSP350W-48 48Vdc 7.3A 350.4W Telecom infrastructure, industrial networking, remote communication, and distributed 48V systems

DEPLOYMENT SCENARIOS

Where GW-GSP350W-48 fits best.

The GW-GSP350W-48 is designed for equipment requiring substantial power from a regulated 48V rail. Its active PFC, half-bridge LLC conversion, built-in fan, compact enclosure, and standoff output connection support integration into telecom, networking, remote communication, and distributed-control applications.

Deployment Scenario Application Description
Telecom Equipment Cabinets Powers access devices, transmission controllers, communication interfaces, and auxiliary rack electronics
Industrial Network Systems Supplies stable 48V power to Ethernet switches, network gateways, fiber-access equipment, and communication appliances
Remote Radio Units Supports compatible radio modules, wireless communication devices, antenna-control electronics, and remote signal equipment
Edge Communication Nodes Powers compact communication servers, protocol converters, remote gateways, and local processing units
Distributed Control Equipment Suitable for field controllers, communication modules, monitoring systems, and remote automation platforms
48V Test Platforms Provides regulated power for telecom validation racks, network-device testing, communication-system verification, and laboratory fixtures

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP350W-48 combines an active-PFC input stage with a half-bridge LLC conversion architecture to produce a regulated 48V output from a universal AC source. Its 7.3A output rating supports demanding communication and networking loads while maintaining a compact mechanical profile.

  • The built-in DC fan provides forced-air cooling for sustained operation near the rated load. The optional dual-output overvoltage-protection configuration should be confirmed before system integration when this function is required.
  • Key reliability features include:
  • · Active PFC with PF greater than 0.99 and half-bridge LLC conversion
  • · Universal 90–264Vac input compatibility
  • · Built-in DC fan for forced-air cooling
  • · Up to 92% efficiency with low-ripple, low-noise 48V output
  • · Adjustable output voltage with LED status indication
  • · Comprehensive SCP, OCP, OVP, and OTP protection
  • · Optional dual-output overvoltage-protection configuration
  • · 100% high-temperature burn-in 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 Input Confirm the live, neutral, and protective-earth terminals before applying power
Output Connection Verify the positive and negative 48V output terminals before connecting the load
Cable Selection Use short, low-resistance conductors capable of safely carrying the full 7.3A output current
Terminal Tightening Secure the standoff terminals firmly to minimize contact resistance and localized heating
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 airflow 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 connected load
Load Capacity Keep the continuous load within the rated 350.4W and 7.3A output limits
Communication Equipment Use appropriate grounding, shielding, and cable routing around sensitive network and radio electronics
Startup Demand Confirm that combined startup current remains within the available output capacity
Maintenance Disconnect the AC input and allow stored energy to discharge before inspection or servicing

FAQ

Frequently asked questions about GW-GSP350W-48.

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

What type of power supply is the GW-GSP350W-48?

The GW-GSP350W-48 is an enclosed AC-DC switching power supply with active PFC, half-bridge LLC conversion, built-in forced-air cooling, and a regulated 48V output.

What are the dimensions of the GW-GSP350W-48?

Its external dimensions are approximately 215 × 115 × 30 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, a maximum output current of 7.3A, and a rated output power of 350.4W.

Is the GW-GSP350W-48 suitable for telecom and networking equipment?

Yes. It is suitable for compatible telecom access devices, network appliances, communication gateways, remote radio systems, and distributed 48V equipment.

Does the power supply use a cooling fan?

Yes. It includes a built-in DC fan for forced-air cooling during high-power operation.

Can the output voltage be adjusted?

Yes. The output voltage can be adjusted slightly for system calibration or to compensate for voltage drop in the output wiring.

What protection functions are included?

The power supply includes short-circuit, overcurrent, overvoltage, and overtemperature protection. An optional dual-output overvoltage-protection configuration is also indicated.