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GW-GSP75W-15

GSP series

INQUIRY READY

GW-GSP75W-15

Greatwall / Industrial Power Supply / GSP series

GW-GSP75W-15 is tuned for Multi-Protection Safe & Reliable, Test Equipment, Control Systems, Specialized Electronics, and Security Devices. Its design pairs 75W capacity with reliable power behavior under changing system loads.

Model
GW-GSP75W-15
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-15 is designed for systems that require a regulated 15V power rail with compact installation dimensions. Its enclosed metal construction, screw-terminal interface, active PFC, and wide temperature range make it suitable for laboratory, industrial, communication, and specialized electronic equipment. For this 75W 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-GSP75W-15 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-15 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 15V Enclosed AC-DC Power Supply for Test Equipment, Control Systems, and Specialized Electronics

The GW-GSP75W-15 delivers up to 75W output power for test instruments, industrial controllers, communication modules, specialized electronic devices, and other equipment requiring a stable 15V DC power source.

01

75W Stable DC Power Capacity

The GW-GSP75W-15 delivers up to 75W output power for test instruments, industrial controllers, communication modules, specialized electronic devices, and other equipment requiring a stable 15V DC 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 installation inside control cabinets, laboratory equipment, embedded devices, and compact electronic systems where internal space is limited.

03

Universal 90–264Vac Input Compatibility

It supports a wide 90–264Vac input range , enabling reliable operation across different regional power grids without manual voltage selection and simplifying international equipment deployment.

04

Stable 15V / 5A Output Performance

The unit provides a regulated 15V DC output at up to 5A , making it suitable for measurement instruments, control boards, specialized communication circuits, signal-processing modules, and other dedicated 15V loads.

05

Active PFC and 87% Conversion Efficiency

With built-in active PFC and efficiency of up to 87% , the GW-GSP75W-15 helps improve input power utilization, reduce conversion losses, and support stable thermal performance during continuous equipment operation.

06

Reliable Operation in Demanding Environments

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

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 control boards, LED controllers, and low-voltage embedded electronics
GW-GSP75W-12 12V 75.6W 6.3A Communication terminals, access-control systems, embedded devices, and 12V industrial equipment
GW-GSP75W-15 15V 75W 5A Test equipment, signal-processing modules, dedicated control circuits, and specialized electronics
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 systems requiring a regulated 27V power rail
GW-GSP75W-48 48V 75W Approximately 1.56A Telecom devices, network equipment, and distributed 48V power systems

DEPLOYMENT SCENARIOS

Where GW-GSP75W-15 fits best.

The GW-GSP75W-15 is designed for systems that require a regulated 15V power rail with compact installation dimensions. Its enclosed metal construction, screw-terminal interface, active PFC, and wide temperature range make it suitable for laboratory, industrial, communication, and specialized electronic equipment.

Deployment Scenario Application Description
Test and Measurement Equipment Powers oscilloscopes, test fixtures, signal generators, monitoring instruments, and laboratory devices
Industrial Control Systems Supports control boards, relay modules, interface circuits, and compact automation equipment
Signal-Processing Equipment Supplies stable 15V power to analog circuits, conditioning modules, and measurement electronics
Specialized Communication Devices Suitable for communication terminals and dedicated electronic interfaces requiring a 15V rail
Security and Monitoring Systems Powers monitoring controllers, access devices, and integrated security electronics
Custom Electronic Equipment Functions as an internal AC-DC module in specialized commercial and industrial devices

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP75W-15 uses an active-PFC input stage combined with a single-ended flyback conversion topology to convert universal AC input into a regulated 15V DC output. Its low-ripple and low-noise design helps maintain stable operation for signal-processing circuits, test instruments, and other sensitive electronic loads.

  • The 4242Vdc isolation rating provides strong electrical separation between the AC input and DC output sections. The unit also includes multiple protection functions and reliability-oriented production tests for continuous equipment operation.
  • Key reliability features include:
  • Active PFC with single-ended flyback conversion
  • Up to 87% conversion efficiency
  • Low-ripple and low-noise regulated 15V 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 applying power
DC Output Connection Verify the positive and negative output terminals before connecting the load
Cable Selection Use output wiring capable of safely carrying the full 5A current
Screw-Terminal Tightening Tighten all terminals securely to reduce contact resistance and local overheating
Grounding Connect the protective-earth terminal to a reliable system ground
Ventilation Keep the enclosure openings unobstructed and maintain sufficient surrounding airflow
Installation Clearance Avoid positioning the power supply directly beside heat-producing components
Output Adjustment Use a calibrated multimeter when making minor output-voltage adjustments
Load Capacity Keep the continuous system load within the rated 75W output limit
Sensitive Loads Confirm grounding and cable routing when supplying analog or measurement circuits
High-Temperature Operation Consider improved airflow or output derating near the upper temperature limit
Maintenance Disconnect the AC input and allow stored energy to discharge before servicing

FAQ

Frequently asked questions about GW-GSP75W-15.

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

What type of power supply is the GW-GSP75W-15?

The GW-GSP75W-15 is a compact enclosed AC-DC switching power supply with active PFC and screw-terminal input and output connections.

What are the dimensions of the GW-GSP75W-15?

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 unit provides 15V DC, a maximum output current of 5A, and a rated output power of 75W.

What is the efficiency of the GW-GSP75W-15?

Its listed conversion efficiency is 87%, helping reduce conversion loss and heat generation during continuous 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.

What applications are most suitable for this model?

It is suitable for test instruments, signal-processing equipment, dedicated control circuits, communication devices, security electronics, and other systems requiring a regulated 15V DC supply.

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