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GW-NHP500SW-48

NHP series

INQUIRY READY

GW-NHP500SW-48

Greatwall / Industrial Power Supply / NHP series

GW-NHP500SW-48 applies 501.6W capacity and a stable 48Vdc rail across Free-Air Cooling, High Reliability, Telecom Access, Po E Switch, Edge Gateway, and Industrial Ethernet; the result is a balanced fit for serviceable, high-availability installations.

Power Supply Type
AC/DC enclosed switching power supply
Rated Output Voltage
48Vdc
Rated Output Current
10.45A
Rated Output Power
501.6W
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-NHP500SW-48 is designed for equipment requiring a stable 48V rail with substantial output capacity. Its compact enclosure, wide input range, high efficiency, fanless cooling, and optional monitoring functions make it suitable for continuously operating network and communication platforms. For this 501.6W capacity, 48Vdc output, 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-NHP500SW-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-NHP500SW-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

501.6W 48V 10.45A Slim AC/DC Power Supply for High-Power PoE, Telecom Access, Edge Networks, and Industrial Ethernet Systems

The GW-NHP500SW-48 delivers a regulated 48V output at up to 10.45A, providing 501.6W of rated output power. It is designed for high-power PoE systems, telecom access equipment, edge-network nodes, industrial Ethernet platforms, and other applications requiring a stable 48V DC rail.

01

High-Power 48V DC Output

The GW-NHP500SW-48 delivers a regulated 48V output at up to 10.45A, providing 501.6W of rated output power. It is designed for high-power PoE systems, telecom access equipment, edge-network nodes, industrial Ethernet platforms, and other applications requiring a stable 48V DC rail.

02

Slim 31 mm Enclosed Construction

With dimensions of 232 × 80 × 31 mm, the power supply combines more than 500W of output capability with a compact mechanical profile. Its elongated metal enclosure supports installation in narrow communication chassis, network cabinets, industrial enclosures, and space-constrained equipment.

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 95.5%

Conversion efficiency of up to 95.5% helps reduce system energy losses and internal heat generation. This supports efficient continuous operation in telecom, networking, PoE, and industrial communication equipment.

05

Fanless Semi-Potted Design

The GW-NHP500SW-48 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 acoustic noise, moving-part wear, and 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 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 standard 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 equipment, telecom radio systems, edge communications, and specialized 55V loads

DEPLOYMENT SCENARIOS

Where GW-NHP500SW-48 fits best.

The GW-NHP500SW-48 is designed for equipment requiring a stable 48V rail with substantial output capacity. Its compact enclosure, wide input range, high efficiency, fanless cooling, and optional monitoring functions make it suitable for continuously operating network and communication platforms.

Deployment Scenario Application Value
High-Power PoE Systems Supplies 48V power to compatible PoE switches, injectors, wireless access platforms, IP surveillance networks, and powered-device infrastructure
Telecom Access Equipment Supports access nodes, transmission units, communication modules, remote terminals, and telecom cabinet subsystems
Edge Network Nodes Powers edge gateways, outdoor communication nodes, protocol-conversion equipment, and compact network appliances
Industrial Ethernet Systems Provides regulated power for industrial switches, remote I/O gateways, network controllers, and factory communication equipment

POWER DESIGN

Reliability notes for continuous operation.

The GW-NHP500SW-48 combines a 501.6W 48V 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 48V at up to 10.45A with 501.6W rated output power.
  • Built-in active PFC improves input current quality.
  • Provides efficiency of up to 95.5%.
  • 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 10.45A 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-48.

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

What type of power supply is the GW-NHP500SW-48?

It is a slim enclosed AC/DC switching power supply with a regulated 48V output, built-in active PFC, screw-terminal connections, and fanless convection cooling.

What are the dimensions of the GW-NHP500SW-48?

The unit measures 232 × 80 × 31 mm, making it suitable for narrow communication chassis and compact network 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 48V at up to 10.45A, providing 501.6W of rated output power.

Is it suitable for high-power PoE systems?

Yes. Its regulated 48V output can support compatible PoE power architectures, provided the complete system verifies voltage range, isolation, power budgeting, and downstream PoE control requirements.

Can it be used in telecom access equipment?

Yes. It is suitable for compatible access nodes, communication modules, transmission units, remote terminals, and telecom cabinet subsystems requiring a regulated 48V 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.

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