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GW-NHP350SW-48

NHP series

INQUIRY READY

GW-NHP350SW-48

Greatwall / Industrial Power Supply / NHP series

GW-NHP350SW-48 applies 350.4W capacity and a stable 48Vdc rail across Full Range Input, Network Equipment, Industrial Automation, Telecom Systems, and Industrial Control Systems; the result is stable service across demanding field environments.

Power Supply Type
AC/DC enclosed switching power supply
Rated Output Voltage
48Vdc
Rated Output Current
7.3A
Rated Output Power
350.4W
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-NHP350SW-48 is designed for systems requiring a stable 48V rail within a compact, fanless power architecture. Its wide input range, high efficiency, semi-potted construction, and optional monitoring functions make it suitable for telecom, networking, PoE, and industrial communication applications. For this 350.4W capacity, 48Vdc output, 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. Allow practical headroom for startup demand and transient loads, while keeping intake and exhaust paths clear throughout continuous operation.

Plan the GW-NHP350SW-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-NHP350SW-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

350.4W 48V 7.3A Slim AC/DC Power Supply for Telecom Infrastructure, PoE Systems, Network Equipment, and Industrial Communications

The GW-NHP350SW-48 delivers a regulated 48V output at up to 7.3A, providing 350.4W of rated output power. It is suitable for telecom infrastructure, PoE-related systems, network appliances, industrial communication equipment, and other platforms built around a 48V DC power architecture.

01

Stable 48V DC Output

The GW-NHP350SW-48 delivers a regulated 48V output at up to 7.3A, providing 350.4W of rated output power. It is suitable for telecom infrastructure, PoE-related systems, network appliances, industrial communication equipment, and other platforms built around a 48V DC power architecture.

02

Ultra-Slim 26 mm Enclosed Design

With dimensions of 220 × 62 × 26 mm, the power supply fits into narrow communication chassis, compact network enclosures, slim industrial cabinets, and other space-constrained systems. Its metal housing provides mechanical protection while supporting efficient passive heat dissipation.

03

Universal AC and High-Voltage DC Input

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

04

High Efficiency up to 94.5%

Conversion efficiency of up to 94.5% helps reduce system energy losses and internal heat generation. This supports more efficient operation in continuously powered telecom, networking, and industrial communication equipment.

05

Fanless Semi-Potted Construction

The GW-NHP350SW-48 uses free-air convection cooling without an integrated fan. Its semi-potted internal structure 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 incorporates 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 monitoring and higher-availability power architectures.

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-NHP350SW-3.3 High-current logic boards, FPGA platforms, telecom line cards, and digital-control equipment
GW-NHP350SW-4.2 Battery test equipment, cell simulation platforms, laboratory systems, and specialized 4.2V loads
GW-NHP350SW-5 Embedded computing boards, storage backplanes, LED controllers, and high-current 5V equipment
GW-NHP350SW-12 Network appliances, security systems, embedded computers, and general 12V industrial electronics
GW-NHP350SW-15 Test instruments, industrial imaging systems, broadcast electronics, and specialized 15V equipment
GW-NHP350SW-24 PLC systems, robotic equipment, machine-vision platforms, and standard 24V industrial loads
GW-NHP350SW-36 Mobile robots, industrial actuators, motion-control equipment, and specialized 36V loads
GW-NHP350SW-48 Telecom base stations, PoE systems, network infrastructure, industrial communication equipment, and distributed 48V platforms
GW-NHP350SW-55 High-voltage telecom electronics, industrial DC equipment, and specialized 55V loads

DEPLOYMENT SCENARIOS

Where GW-NHP350SW-48 fits best.

The GW-NHP350SW-48 is designed for systems requiring a stable 48V rail within a compact, fanless power architecture. Its wide input range, high efficiency, semi-potted construction, and optional monitoring functions make it suitable for telecom, networking, PoE, and industrial communication applications.

Deployment Scenario Application Value
Telecom Infrastructure Supplies 48V power to communication modules, remote radio equipment, transmission units, and base-station subsystems
PoE Power Systems Supports PoE injectors, managed switches, access-point platforms, IP cameras, and distributed network devices
Network Equipment Provides regulated power for routers, switches, gateways, firewalls, and communication appliances
Industrial Communications Powers industrial Ethernet switches, remote I/O gateways, protocol converters, and control-network equipment

POWER DESIGN

Reliability notes for continuous operation.

The GW-NHP350SW-48 combines a 350.4W 48V output with active PFC, high conversion efficiency, fanless cooling, and semi-potted construction. It is optimized for compact communication and networking systems requiring reliable continuous operation.

  • Supports 90–264Vac universal input and 127–370Vdc input.
  • Delivers 48V at up to 7.3A with 350.4W rated output power.
  • Built-in active PFC improves input current quality.
  • Provides efficiency of up to 94.5%.
  • Uses free-air convection cooling without an integrated fan.
  • 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 7.3A 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 Applications Confirm the required PoE voltage range, isolation, power budget, and downstream control architecture
Temperature Management Apply appropriate load derating or additional enclosure airflow near the upper temperature limit
Optional Signals Confirm interface logic and wiring requirements before using DC OK or redundant functions

FAQ

Frequently asked questions about GW-NHP350SW-48.

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

What type of power supply is the GW-NHP350SW-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-NHP350SW-48?

The unit measures 220 × 62 × 26 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 7.3A, providing 350.4W of rated output power.

Is it suitable for telecom equipment?

Yes. Its regulated 48V output is suitable for communication modules, transmission equipment, remote telecom units, and compatible base-station subsystems.

Can it be used in PoE systems?

Yes. It can supply compatible PoE power architectures, provided the final system design verifies output-voltage range, isolation, power budgeting, and downstream PoE control requirements.

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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