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GW-GSP200W-27

GSP series

INQUIRY READY

GW-GSP200W-27

Greatwall / Industrial Power Supply / GSP series

GW-GSP200W-27 was developed around the needs of Over Temperature, Industrial Automation, Led Lighting, and 3D Printer. Its combination of 202.5W capacity and natural convection provides a balanced fit for serviceable, high-availability installations.

Model
GW-GSP200W-27
Product Type
Enclosed AC-DC Power Supply
Rated Output Power
202.5W
Input Voltage Range
90–264Vac / 127–370Vdc
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-GSP200W-27 is designed for professional systems requiring a regulated 27V rail with substantial current capacity. Its wide AC/DC input range, active PFC, half-bridge LLC conversion, fanless cooling, and standoff output connection make it suitable for communication, measurement, imaging, and remote-control applications. For this 202.5W capacity, for long-term service, document fan inspection, connector seating, event-log review, and replacement procedures as part of the maintenance plan.

Plan the GW-GSP200W-27 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-GSP200W-27 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

202.5W 27V Enclosed AC-DC Power Supply for Wireless Communication, RF Test Systems, Electro-Optical Control, and Remote Telemetry

The GW-GSP200W-27 delivers up to 202.5W output power for wireless communication equipment, RF test platforms, electro-optical control systems, remote telemetry devices, and other applications requiring a dependable 27V DC power source.

01

202.5W Stable DC Power Capacity

The GW-GSP200W-27 delivers up to 202.5W output power for wireless communication equipment, RF test platforms, electro-optical control systems, remote telemetry devices, and other applications requiring a dependable 27V DC power 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 cabinets, laboratory instruments, monitoring terminals, embedded platforms, and other equipment where vertical mounting space is limited.

03

Wide AC and DC Input Compatibility

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

04

Stable 27V / 7.5A Output Performance

The unit provides a regulated 27V DC output at up to 7.5A , making it suitable for RF amplifiers, wireless backhaul equipment, telemetry controllers, imaging subsystems, test instruments, and other dedicated 27V electronic loads.

05

Active PFC and Half-Bridge LLC Conversion

Built-in active PFC improves input power utilization, while the half-bridge LLC topology supports efficient conversion, stable voltage regulation, and dependable continuous output.

06

91% Efficiency with Fanless Cooling and Protection

With efficiency of up to 91% , natural-convection cooling, adjustable output voltage, low-ripple output, and short-circuit, overcurrent, overvoltage, and overtemperature protection, the GW-GSP200W-27 supports 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-GSP200W-4 4Vdc 50A 200W High-current processor rails, automated test fixtures, LED controllers, and specialized 4V electronics
GW-GSP200W-5 5Vdc 40A 200W Embedded boards, display-control systems, logic circuits, and high-current 5V equipment
GW-GSP200W-12 12Vdc 16.7A 200W Industrial computers, security equipment, communication terminals, and general-purpose 12V systems
GW-GSP200W-15 15Vdc 13.3A 200W Test instruments, signal-processing modules, machine-vision equipment, and dedicated 15V electronics
GW-GSP200W-24 24Vdc 8.3A 200W PLC systems, industrial sensors, relays, actuators, and automation equipment
GW-GSP200W-27 27Vdc 7.4A 200W RF communication modules, broadcast electronics, telemetry systems, and specialized 27V loads
GW-GSP200W-36 36Vdc 5.6A 200W Industrial drives, battery-related equipment, control platforms, and dedicated 36V systems
GW-GSP200W-48 48Vdc 4.2A 200W Telecom infrastructure, industrial networking, remote communication, and distributed 48V systems

DEPLOYMENT SCENARIOS

Where GW-GSP200W-27 fits best.

The GW-GSP200W-27 is designed for professional systems requiring a regulated 27V rail with substantial current capacity. Its wide AC/DC input range, active PFC, half-bridge LLC conversion, fanless cooling, and standoff output connection make it suitable for communication, measurement, imaging, and remote-control applications.

Deployment Scenario Application Description
Wireless Backhaul Equipment Powers microwave radio units, communication interfaces, link controllers, and compact transmission electronics
RF Test Systems Supplies stable 27V power to RF analyzers, amplifier test fixtures, signal generators, and validation platforms
Electro-Optical Control Supports imaging controllers, optical positioning modules, illumination drivers, and inspection subsystems
Remote Telemetry Equipment Powers data-acquisition units, field monitoring stations, telemetry controllers, and remote communication nodes
Broadcast Interface Systems Suitable for signal-distribution equipment, studio interfaces, control modules, and transmission electronics
Specialized Embedded Platforms Integrates into custom processor systems, communication boards, and dedicated 27V electronic equipment

POWER DESIGN

Reliability notes for continuous operation.

The GW-GSP200W-27 combines an active-PFC input stage with a half-bridge LLC conversion architecture to produce a regulated 27V output from a wide AC or high-voltage DC input. Its 7.5A output capacity supports professional communication and electronic systems while maintaining a low-profile mechanical format.

  • Natural-convection cooling eliminates the need for an integrated fan, reducing acoustic noise and mechanical maintenance. The adjustable output-voltage function can assist with system calibration or compensation for losses in the output conductors.
  • Key reliability features include:
  • · Active PFC with half-bridge LLC conversion
  • · 90–264Vac and 127–370Vdc input compatibility
  • · Natural-convection fanless cooling
  • · Up to 91% conversion efficiency
  • · Low-ripple and low-noise regulated 27V output
  • · Adjustable output voltage with LED status indication
  • · Comprehensive SCP, OCP, OVP, and OTP protection
  • · 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 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 27V output terminals before connecting the load
Cable Selection Use conductors capable of safely carrying the full 7.5A output current
Terminal Tightening Secure the standoff connections firmly to minimize contact resistance and localized heating
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 and make only small adjustments while monitoring the connected load
Load Capacity Keep the continuous load within the rated 202.5W and 7.5A output limits
Sensitive Electronics Use suitable grounding and cable routing for RF, analog, imaging, and measurement circuits
Maintenance Disconnect the input and allow stored energy to discharge before inspection or servicing

FAQ

Frequently asked questions about GW-GSP200W-27.

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

What type of power supply is the GW-GSP200W-27?

The GW-GSP200W-27 is an enclosed, fanless AC-DC switching power supply with active PFC, half-bridge LLC conversion, high-voltage DC input compatibility, and a regulated 27V output.

What are the dimensions of the GW-GSP200W-27?

Its external dimensions are approximately 215 × 115 × 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 27V DC, a maximum output current of 7.5A, and a rated output power of 202.5W.

Does the GW-GSP200W-27 require a cooling fan?

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

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 best suited to this model?

It is suitable for wireless backhaul equipment, RF test systems, electro-optical controllers, remote telemetry devices, broadcast interfaces, and other platforms requiring a regulated 27V supply.

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