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GW-GSP75W-5

GSP series

INQUIRY READY

GW-GSP75W-5

Greatwall / Industrial Power Supply / GSP series

GW-GSP75W-5 targets Industrial Control, Embedded Systems, and Communication Equipment and uses 75W capacity to maintain steady operation across always-on infrastructure.

Model
GW-GSP75W-5
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
75W
AC Input Voltage
90–264Vac
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP75W-5 is designed for electronic equipment requiring a compact and stable 5V power source. Its enclosed metal housing, screw-terminal interface and wide operating-temperature range make it suitable for installation inside industrial cabinets, communication devices and integrated electronic systems. For this 75W 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-GSP75W-5 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-GSP75W-5 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

75W 5V Enclosed AC-DC Power Supply for Industrial Control, Embedded Systems, and Communication Equipment

The GW-GSP75W-5 delivers up to 75W output power for industrial controllers, embedded electronics, communication terminals, display systems, and other equipment requiring a stable 5V power source.

01

75W Stable DC Power Capacity

The GW-GSP75W-5 delivers up to 75W output power for industrial controllers, embedded electronics, communication terminals, display systems, and other equipment requiring a stable 5V power source.

02

Compact 159 × 97 × 30 mm Enclosed Structure

Built in a compact 159 × 97 × 30 mm metal enclosure , this model is suitable for control cabinets, integrated electronic equipment, compact machinery, and installations where internal space is limited.

03

Universal 90–264Vac Input Compatibility

It supports a wide 90–264Vac input range , allowing reliable operation across different regional power grids without manual voltage selection.

04

Stable 5V High-Current Output Performance

The unit provides a regulated 5V / 15A output , making it suitable for low-voltage, high-current loads such as control boards, embedded processors, LED controllers, and communication electronics.

05

Active PFC and Low-Ripple Output Design

With built-in active PFC , low ripple and low output noise, the GW-GSP75W-5 helps improve input power utilization while supplying clean and stable power to sensitive downstream circuits.

06

Reliable Operation for Demanding Installations

With a -30°C to +70°C operating temperature range , adjustable output voltage, 4242Vdc isolation, and short-circuit, overcurrent, overvoltage, and overtemperature protection, this model supports dependable operation in industrial and commercial equipment.

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-GSP75W-5 5V 75W 15A High-current embedded boards, LED controllers and low-voltage industrial electronics
GW-GSP75W-12 12V 75W 6.25A Access-control equipment, communication terminals and 12V control systems
GW-GSP75W-15 15V 75W 5A Test equipment, dedicated electronic circuits and specialized control devices
GW-GSP75W-24 24V 75W 3.125A PLC systems, industrial sensors, actuators and automation equipment
GW-GSP75W-27 27V 75W Approximately 2.78A Communication equipment and electronic systems requiring a regulated 27V rail
GW-GSP75W-48 48V 75W Approximately 1.56A Telecom devices, network equipment and distributed 48V power systems

DEPLOYMENT SCENARIOS

Where GW-GSP75W-5 fits best.

The GW-GSP75W-5 is designed for electronic equipment requiring a compact and stable 5V power source. Its enclosed metal housing, screw-terminal interface and wide operating-temperature range make it suitable for installation inside industrial cabinets, communication devices and integrated electronic systems.

Deployment Scenario Application Description
Industrial Control Systems Powers control boards, interface modules, signal-processing circuits and low-voltage automation components
Embedded Computing Equipment Supplies stable 5V power to embedded controllers, processor boards and peripheral modules
Communication Devices Supports gateways, network terminals, communication controllers and related electronic circuits
Display and Signage Systems Provides power for digital signage controllers, LED control boards and information-display equipment
Testing and Measurement Devices Suitable for test fixtures, monitoring instruments and laboratory electronic equipment
Integrated Electronic Systems Functions as an internal AC-DC power module in compact commercial and industrial equipment

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP75W-5 combines an active-PFC input stage with a single-ended flyback conversion topology. This design converts a universal AC input into a regulated 5V DC output while maintaining electrical isolation between the primary and secondary sides.

  • Its 4242Vdc isolation capability helps improve electrical safety in integrated equipment. Low output ripple and noise also make the unit suitable for sensitive electronic loads that require a stable low-voltage supply.
  • Key reliability features include:
  • Active PFC with single-ended flyback conversion
  • Low-ripple and low-noise regulated 5V output
  • Adjustable output voltage with LED status indication
  • Comprehensive SCP, OCP, OVP, and OTP protection
  • 4242Vdc input-to-output isolation
  • 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 Input Connection Confirm the live, neutral and protective-earth terminals before energizing the unit
DC Output Connection Verify the positive and negative output terminals before connecting the load
Cable Selection Use output cables capable of safely carrying the full 15A load current
Screw-Terminal Tightening Tighten each terminal securely to prevent excessive resistance and local overheating
Grounding Connect the protective-earth terminal to a reliable system ground
Ventilation Maintain adequate airflow around the enclosure and ventilation openings
Installation Clearance Keep sufficient distance from heat sources and nearby components that may restrict airflow
Output Adjustment Use a calibrated multimeter when adjusting the output voltage
Load Capacity Keep the continuous operating load within the rated 75W output limit
High-Temperature Use Consider airflow improvement or load derating near the upper operating-temperature limit
Environmental Conditions Avoid liquid ingress, conductive dust and corrosive substances
Maintenance Disconnect the AC input and allow stored energy to discharge before inspection or servicing

FAQ

Frequently asked questions about GW-GSP75W-5.

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

What type of power supply is the GW-GSP75W-5?

The GW-GSP75W-5 is a 75W enclosed AC-DC switching power supply with active PFC and screw-terminal connections.

What are the dimensions of the GW-GSP75W-5?

Its external dimensions are approximately 159 × 97 × 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 GW-GSP75W-5 provides a regulated 5V DC output, a maximum current of 15A and a rated output power of 75W.

What is the difference between the GW-GSP75W series models?

The models share the same 75W power class but provide different output voltages, including 5V, 12V, 15V, 24V, 27V and 48V. The correct model should be selected according to the voltage and current requirements of the connected equipment.

Can the output voltage be adjusted?

Yes. The output voltage can be adjusted slightly for system calibration or to compensate for voltage loss in the output wiring. Adjustment should remain within the permitted range.

What protection functions are included?

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

Is the GW-GSP75W-5 suitable for high-temperature and high-altitude environments?

Yes. It supports an operating-temperature range of -30°C to +70°C and installation at altitudes up to 5,000 meters. Appropriate ventilation and load derating should be considered under demanding conditions.

KEEP EXPLORING

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