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GW-NHP500SW-4.2

NHP series

INQUIRY READY

GW-NHP500SW-4.2

Greatwall / Industrial Power Supply / NHP series

GW-NHP500SW-4.2 serves Full Range Input, Telecom Systems, Industrial Automation, Network Equipment, and Industrial Control Systems through 336W capacity and a stable 4.2Vdc rail. This configuration delivers predictable operation in continuous-duty installations.

Power Supply Type
AC/DC enclosed switching power supply
Rated Output Voltage
4.2Vdc
Rated Output Current
80A
Rated Output Power
336W
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-NHP500SW-4.2 is designed for equipment requiring a stable 4.2V rail with substantial current capacity. Its slim enclosure, wide input range, fanless cooling, and optional monitoring functions make it particularly suitable for integrated battery-testing and low-voltage electronic platforms. For this 336W capacity, 4.2Vdc 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. Qualification should include airflow direction, thermal margin, cable routing, and access for routine module replacement.

Plan the GW-NHP500SW-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-NHP500SW-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

336W 4.2V 80A Slim AC/DC Power Supply for Battery Formation, Cell Testing, Laboratory Systems, and Low-Voltage Industrial Electronics

The GW-NHP500SW-4.2 delivers a regulated 4.2V output at up to 80A, providing 336W of rated output power. It is designed for battery formation equipment, cell-testing platforms, electronic load systems, laboratory instruments, and specialized low-voltage industrial electronics.

01

High-Current 4.2V DC Output

The GW-NHP500SW-4.2 delivers a regulated 4.2V output at up to 80A, providing 336W of rated output power. It is designed for battery formation equipment, cell-testing platforms, electronic load systems, laboratory instruments, and specialized low-voltage industrial electronics.

02

Slim 31 mm Enclosed Construction

With dimensions of 232 × 80 × 31 mm, the power supply combines high-current capability with a relatively slim mechanical profile. Its elongated metal enclosure supports installation in compact test racks, battery equipment, industrial cabinets, and space-constrained electronic 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 power conversion.

04

Fanless Free-Air Convection Cooling

The GW-NHP500SW-4.2 uses natural convection cooling without an integrated fan. This reduces operating noise, mechanical wear, dust intake, and routine maintenance requirements while supporting continuous operation in laboratory and industrial environments.

05

Semi-Potted Design for Improved Durability

Its semi-potted internal construction improves resistance to vibration, humidity, dust, and environmental stress. This design is suitable for battery test equipment, industrial electronics, embedded systems, and other applications requiring reliable long-term operation.

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 electronic loads
GW-NHP500SW-5 Embedded computing boards, storage backplanes, LED systems, and high-current 5V electronics
GW-NHP500SW-15 Test instruments, industrial imaging, broadcast electronics, and specialized 15V systems
GW-NHP500SW-12 Network appliances, security systems, embedded computers, and high-power 12V equipment
GW-NHP500SW-24 Factory automation, robotics, machine vision, control cabinets, and standard 24V industrial loads
GW-NHP500SW-36 Mobile robots, industrial actuators, motion-control systems, and specialized 36V equipment
GW-NHP500SW-48 Telecom infrastructure, PoE systems, network equipment, and distributed 48V platforms
GW-NHP500SW-55 High-power PoE equipment, telecom radio systems, edge communications, and specialized 55V loads

DEPLOYMENT SCENARIOS

Where GW-NHP500SW-4.2 fits best.

The GW-NHP500SW-4.2 is designed for equipment requiring a stable 4.2V rail with substantial current capacity. Its slim enclosure, wide input range, fanless cooling, and optional monitoring functions make it particularly suitable for integrated battery-testing and low-voltage electronic platforms.

Deployment Scenario Application Value
Battery Formation Equipment Supplies regulated 4.2V power to formation racks, grading systems, cell-aging equipment, and production-line battery platforms
Cell Testing and Simulation Supports battery cell simulators, electronic load systems, charge-discharge test fixtures, and validation equipment
Laboratory and Measurement Systems Provides high-current low-voltage power for development benches, automated test equipment, research platforms, and calibration fixtures
Industrial Low-Voltage Electronics Powers custom control boards, high-current electronic modules, embedded assemblies, and specialized 4.2V loads

POWER DESIGN

Reliability notes for continuous operation.

The GW-NHP500SW-4.2 combines an 80A low-voltage output with active PFC, natural convection cooling, and semi-potted construction. It is optimized for compact systems that require high-current 4.2V power delivery without an integrated cooling fan.

  • Supports 90–264Vac universal input and 127–370Vdc input.
  • Delivers 4.2V at up to 80A with 336W rated output power.
  • Built-in active PFC improves input current quality.
  • Provides efficiency of up to 89%.
  • 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 short, low-resistance conductors rated to safely carry up to 80A
Terminal Connection Tighten all screw terminals securely to minimize 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 sensitive equipment
Battery Applications Use appropriate charging control, battery management, current regulation, and system-level protection
Voltage Drop Control Account for cable, terminal, and connector losses in high-current 4.2V installations
Temperature Management Apply suitable load derating or additional enclosure airflow near the upper temperature limit

FAQ

Frequently asked questions about GW-NHP500SW-4.2.

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

What type of power supply is the GW-NHP500SW-4.2?

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

What are the dimensions of the GW-NHP500SW-4.2?

The unit measures 232 × 80 × 31 mm, making it suitable for compact test racks, industrial equipment, 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 80A, providing 336W of rated output power.

Is it suitable for battery formation and cell testing?

Yes. Its regulated 4.2V high-current output is suitable for compatible battery formation, grading, cell-testing, and simulation platforms when combined with appropriate system-level current control and protection.

Can it be connected directly to a lithium battery?

It should not be treated as a complete standalone battery charger. Battery applications require suitable charging logic, current regulation, battery management, temperature monitoring, and safety protection.

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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