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GW-NHP350SW-4.2

NHP series

INQUIRY READY

GW-NHP350SW-4.2

Greatwall / Industrial Power Supply / NHP series

GW-NHP350SW-4.2 serves Ull Range Input, Telecom Systems, Networking Equipment, Embedded & Edge Systems, and Industrial Control through 252W capacity and a stable 4.2Vdc rail. This configuration delivers an installation-ready choice for mission-critical equipment.

Power Supply Type
AC/DC enclosed switching power supply
Rated Output Voltage
4.2Vdc
Rated Output Current
60A
Rated Output Power
252W
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-NHP350SW-4.2 is designed for systems requiring a stable 4.2V rail with substantial current capacity. Its slim mechanical profile, fanless cooling, wide input range, and optional monitoring functions make it suitable for integrated test equipment and specialized low-voltage electronic platforms. For this 252W capacity, 4.2Vdc 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-4.2 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-4.2 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

252W 4.2V 60A Slim AC/DC Power Supply for Battery Test Equipment, Embedded Electronics, Industrial Control, and Laboratory Systems

The GW-NHP350SW-4.2 provides a regulated 4.2V output at up to 60A, delivering 252W of rated output power. It is designed for low-voltage, high-current electronic systems, including battery test equipment, embedded platforms, laboratory instruments, and specialized industrial electronics.

01

High-Current 4.2V DC Output

The GW-NHP350SW-4.2 provides a regulated 4.2V output at up to 60A, delivering 252W of rated output power. It is designed for low-voltage, high-current electronic systems, including battery test equipment, embedded platforms, laboratory instruments, and specialized industrial electronics.

02

Ultra-Slim 26 mm Mechanical Design

With dimensions of 220 × 62 × 26 mm, the power supply fits into narrow equipment compartments and compact electronic enclosures. Its elongated metal chassis allows designers to integrate a high-current DC source where conventional enclosed power supplies may be too bulky.

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 systems. Built-in active PFC improves input current characteristics and supports stable front-end power conversion.

04

Fanless Free-Air Convection Cooling

The GW-NHP350SW-4.2 uses natural convection cooling without an integrated fan. This reduces operating noise, mechanical wear, dust intake, and routine maintenance while supporting deployment in noise-sensitive and reliability-focused systems.

05

Semi-Potted Construction for Improved Durability

Its semi-potted internal design enhances resistance to vibration, humidity, dust, and environmental stress. This construction is suitable for industrial installations, test platforms, embedded systems, and other equipment expected to operate continuously.

06

Integrated Protection and Optional Monitoring Functions

The power supply includes overcurrent, overvoltage, overtemperature, and short-circuit protection. Optional DC OK signaling and redundant operating functions can support system monitoring and higher-availability equipment 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 3.3V logic boards, FPGA platforms, telecom line cards, and industrial digital-control equipment
GW-NHP350SW-4.2 Battery test equipment, cell simulation platforms, embedded electronics, laboratory systems, and specialized 4.2V loads
GW-NHP350SW-5 High-current 5V control boards, communication modules, digital systems, and embedded electronic equipment
GW-NHP350SW-12 Network appliances, security systems, industrial electronics, embedded computers, and general 12V equipment
GW-NHP350SW-15 Analog circuits, test instruments, communication equipment, and specialized industrial electronics
GW-NHP350SW-24 PLC systems, automation equipment, control cabinets, relays, sensors, and industrial control platforms
GW-NHP350SW-36 Industrial actuators, motor-control electronics, communication equipment, and distributed 36V systems
GW-NHP350SW-48 Telecom equipment, network infrastructure, PoE-related platforms, and distributed 48V power systems
GW-NHP350SW-55 High-voltage telecom electronics, industrial DC equipment, communication systems, and specialized 55V loads

DEPLOYMENT SCENARIOS

Where GW-NHP350SW-4.2 fits best.

The GW-NHP350SW-4.2 is designed for systems requiring a stable 4.2V rail with substantial current capacity. Its slim mechanical profile, fanless cooling, wide input range, and optional monitoring functions make it suitable for integrated test equipment and specialized low-voltage electronic platforms.

Deployment Scenario Application Value
Battery Test Equipment Supplies a regulated 4.2V DC source for battery test racks, cell simulation systems, formation equipment, and validation platforms
Embedded Electronic Systems Powers processor boards, interface modules, custom embedded assemblies, and low-voltage electronic loads
Industrial Control Platforms Supports control boards, digital I/O modules, specialized controllers, and internal low-voltage circuits
Laboratory and Measurement Systems Provides stable power for test fixtures, development benches, automated test systems, and electronic verification equipment

POWER DESIGN

Reliability notes for continuous operation.

The GW-NHP350SW-4.2 combines high-current low-voltage output capability with active PFC, natural convection cooling, and a semi-potted internal structure. It is optimized for compact systems that require reliable 4.2V power delivery without an integrated cooling fan.

  • Supports 90–264Vac universal input and 127–370Vdc input.
  • Delivers 4.2V at up to 60A with 252W rated output power.
  • Built-in active PFC improves input current quality.
  • Provides efficiency of up to 89% under specified conditions.
  • Uses fanless free-air convection cooling.
  • Semi-potted construction improves environmental durability.
  • Includes overcurrent, overvoltage, overtemperature, and short-circuit protection.
  • Supports operation at altitudes 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 to a stable mounting surface using the designated chassis points
Ventilation Clearance Maintain sufficient open space around the perforated enclosure for natural airflow
Input Wiring Confirm whether the system uses AC or high-voltage DC input before connection
Output Cable Sizing Use short, low-resistance conductors capable of safely carrying up to 60A
Terminal Connection Tighten all screw terminals securely to reduce contact resistance and overheating
Grounding Connect protective earth correctly before energizing the unit
Output Adjustment Verify the output voltage with a calibrated meter before connecting sensitive equipment
Battery Applications Use an appropriate battery-management or charging-control system rather than relying on the power supply alone
Temperature Management Apply suitable derating or external enclosure airflow near the upper temperature limit
Optional Signals Confirm interface voltage and wiring requirements before using DC OK or redundancy functions

FAQ

Frequently asked questions about GW-NHP350SW-4.2.

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

What type of power supply is the GW-NHP350SW-4.2?

It is a slim enclosed AC/DC switching power supply with a regulated 4.2V output, active PFC, screw-terminal connections, and fanless convection cooling.

What are the dimensions of the GW-NHP350SW-4.2?

The unit measures 220 × 62 × 26 mm, making it suitable for slim enclosures and space-constrained electronic systems.

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 4.2V at up to 60A, providing 252W of rated output power.

Can it be used with battery test equipment?

Yes. Its regulated 4.2V high-current output is suitable for battery testing, cell simulation, formation systems, and related validation equipment when used with appropriate system-level control and protection.

Does it require an integrated cooling fan?

No. It uses free-air convection cooling. Adequate ventilation clearance must therefore be maintained around the enclosure.

What protection functions are included?

The power supply includes overcurrent, overvoltage, overtemperature, and short-circuit protection.

Does it support monitoring or redundant operation?

Optional DC OK signaling and redundant operating functions are available for systems requiring power-status feedback or improved availability.

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