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GW-NHP500SW-55

NHP series

INQUIRY READY

GW-NHP500SW-55

Greatwall / Industrial Power Supply / NHP series

GW-NHP500SW-55 gives Free-Air Cooling, High Reliability, Po E++Network, Radio Unit, Outdoor Telecom, and DC Distribution a power platform built around 500W capacity and a stable 55Vdc rail. It is intended for predictable operation in continuous-duty installations.

Power Supply Type
AC/DC enclosed switching power supply
Rated Output Voltage
55Vdc
Rated Output Current
8.9A
Rated Output Power
500W
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-NHP500SW-55 is designed for equipment requiring a stable 55V rail with substantial output capacity. Its slim enclosure, wide input range, high efficiency, fanless cooling, and optional monitoring functions make it suitable for continuously operating communication and industrial systems. For this 500W capacity, 55Vdc output, for long-term service, document fan inspection, connector seating, event-log review, and replacement procedures as part of the maintenance plan. Commissioning should verify grounding, input protection, output stability, and the response of any redundant or hot-swap control logic.

Plan the GW-NHP500SW-55 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-NHP500SW-55 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

500W 55V 8.9A Slim AC/DC Power Supply for High-Power PoE, Telecom Radio Systems, Edge Communications, and Industrial DC Distribution

The GW-NHP500SW-55 provides a regulated 55V output at up to 8.9A, with a rated output power of 500W. It is designed for high-power PoE infrastructure, telecom radio equipment, edge-communication platforms, and specialized industrial systems requiring a stable high-voltage DC rail.

01

Regulated 55V High-Power Output

The GW-NHP500SW-55 provides a regulated 55V output at up to 8.9A, with a rated output power of 500W. It is designed for high-power PoE infrastructure, telecom radio equipment, edge-communication platforms, and specialized industrial systems requiring a stable high-voltage DC rail.

02

Slim 31 mm Enclosed Construction

With dimensions of 232 × 80 × 31 mm, the power supply combines substantial output capability with a relatively slim mechanical profile. Its elongated metal enclosure supports integration into compact network cabinets, communication chassis, industrial enclosures, and other space-constrained systems.

03

Universal AC and High-Voltage DC Input

The unit supports 90–264Vac input and 127–370Vdc input, enabling operation across different regional AC grids and selected high-voltage DC distribution environments. Built-in active PFC improves input-current characteristics and supports stable front-end conversion.

04

High Efficiency up to 95%

Conversion efficiency of up to 95% helps reduce internal heat generation and system energy losses. This supports efficient continuous operation in telecom, networking, edge-computing, and industrial communication equipment.

05

Fanless Semi-Potted Design

The GW-NHP500SW-55 uses free-air convection cooling without an integrated fan. Its semi-potted internal construction improves resistance to vibration, humidity, dust, and environmental stress while reducing noise, moving-part wear, and routine maintenance requirements.

06

Integrated Protection and Optional System Functions

The power supply includes output short-circuit, overcurrent, overvoltage, and overtemperature protection. It also provides an output LED indicator and adjustable output voltage, while optional DC OK signaling and redundant operation can support power-status monitoring and higher-availability system designs.

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 Best-Fit Application
GW-NHP500SW-4.2 Battery formation equipment, cell-testing platforms, laboratory systems, and high-current 4.2V loads
GW-NHP500SW-5 Embedded computing, storage backplanes, LED display electronics, and high-current 5V systems
GW-NHP500SW-12 Edge computers, network appliances, security equipment, and high-power 12V electronics
GW-NHP500SW-15 Automated test systems, machine-vision equipment, broadcast electronics, and specialized 15V loads
GW-NHP500SW-24 PLC systems, robotics, machine vision, control cabinets, and high-power 24V industrial loads
GW-NHP500SW-36 AGVs, conveyor systems, industrial actuators, and high-power 36V motion-control equipment
GW-NHP500SW-48 High-power PoE systems, telecom access equipment, edge-network nodes, and industrial Ethernet platforms
GW-NHP500SW-55 High-power PoE infrastructure, telecom radio systems, edge communications, and specialized 55V DC platforms

DEPLOYMENT SCENARIOS

Where GW-NHP500SW-55 fits best.

The GW-NHP500SW-55 is designed for equipment requiring a stable 55V rail with substantial output capacity. Its slim enclosure, wide input range, high efficiency, fanless cooling, and optional monitoring functions make it suitable for continuously operating communication and industrial systems.

Deployment Scenario Application Value
High-Power PoE Infrastructure Supplies compatible PoE switches, injectors, wireless access platforms, IP surveillance networks, and distributed powered-device systems
Telecom Radio Systems Supports remote radio equipment, communication modules, transmission units, and compatible base-station subsystems
Edge Communication Platforms Powers edge gateways, outdoor network nodes, protocol converters, and remote communication appliances
Industrial DC Distribution Provides a regulated 55V rail for communication cabinets, specialized industrial electronics, and distributed DC-powered equipment

POWER DESIGN

Reliability notes for continuous operation.

The GW-NHP500SW-55 combines a 500W 55V output with active PFC, high conversion efficiency, natural convection cooling, and semi-potted construction. It is optimized for compact communication systems requiring reliable continuous operation without an integrated fan.

  • Supports 90–264Vac universal input and 127–370Vdc input.
  • Delivers 55V at up to 8.9A with 500W rated output power.
  • Built-in active PFC improves input-current quality.
  • Provides efficiency of up to 95%.
  • Uses fanless free-air convection cooling.
  • Semi-potted construction improves resistance to environmental stress.
  • Includes short-circuit, overcurrent, overvoltage, and overtemperature protection.
  • Supports installations up to 5,000 meters, with optional DC OK and redundant functions available.

INSTALLATION

Installation and operating guidance.

Confirm electrical compatibility, thermal clearance, mechanical fit, and system load before integration.

Item Guidance
Mounting Orientation Secure the unit firmly using the designated chassis mounting points
Ventilation Clearance Maintain sufficient open space around the perforated enclosure for natural airflow
Input Wiring Confirm whether the installation uses AC or high-voltage DC input before connection
Output Cable Sizing Use conductors rated to safely carry up to 8.9A with minimal voltage drop
Terminal Connection Tighten all screw terminals securely to reduce resistance and localized heating
Grounding Connect protective earth correctly before applying input power
Output Adjustment Verify the adjusted voltage with a calibrated meter before connecting the load
PoE Integration Confirm voltage limits, isolation, power budget, and downstream PoE control requirements
Load Distribution Use suitable distribution terminals or busbars when powering several subsystems
Temperature Management Apply appropriate load derating or additional enclosure airflow near the upper temperature limit

FAQ

Frequently asked questions about GW-NHP500SW-55.

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

What type of power supply is the GW-NHP500SW-55?

It is a slim enclosed AC/DC switching power supply with a regulated 55V output, built-in active PFC, screw-terminal connections, and fanless convection cooling.

What are the dimensions of the GW-NHP500SW-55?

The unit measures 232 × 80 × 31 mm, making it suitable for narrow communication chassis and compact industrial equipment.

What input voltage range does it support?

It supports 90–264Vac input and 127–370Vdc input.

What output power and current does it provide?

It delivers 55V at up to 8.9A, with a rated output power of 500W.

Is it suitable for high-power PoE systems?

Yes. Its regulated 55V output can support compatible high-power PoE architectures, provided the complete system verifies voltage range, isolation, power budgeting, and downstream PoE control requirements.

Can it be used in telecom radio equipment?

Yes. It is suitable for compatible radio modules, transmission units, communication equipment, and remote telecom subsystems requiring a regulated 55V input.

Does the power supply require an integrated cooling fan?

No. It uses free-air convection cooling, so adequate ventilation clearance must be maintained around the enclosure.

What protection and monitoring functions are available?

The unit includes short-circuit, overcurrent, overvoltage, and overtemperature protection. Optional DC OK signaling and redundant operating functions are also available.

KEEP EXPLORING

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