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GW-NHP350SW-12

NHP series

INQUIRY READY

GW-NHP350SW-12

Greatwall / Industrial Power Supply / NHP series

GW-NHP350SW-12 applies 350.4W capacity and a stable 12Vdc rail across Free-Air Cooling, High Reliability, Security Systems, Network Equipment, Embedded Computing, and Industrial Control; the result is controlled delivery for equipment expected to run for long periods.

Power Supply Type
AC/DC enclosed switching power supply
Rated Output Voltage
12Vdc
Rated Output Current
29.2A
Rated Output Power
350.4W
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The GW-NHP350SW-12 is designed for compact equipment that requires a stable and relatively high-power 12V rail. Its slim enclosure, fanless cooling, wide input range, and optional monitoring functions make it suitable for continuously operating network, security, embedded, and industrial platforms. For this 350.4W capacity, 12Vdc 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. Before integration, confirm the connector mapping, chassis clearance, and supported input conditions against the target power shelf.

Plan the GW-NHP350SW-12 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-12 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 12V 29.2A Slim AC/DC Power Supply for Network Appliances, Security Systems, Embedded Computing, and Industrial Electronics

The GW-NHP350SW-12 delivers a regulated 12V output at up to 29.2A, providing 350.4W of rated output power. It is suitable for network appliances, embedded computers, security equipment, industrial electronics, communication devices, and other systems requiring a reliable 12V DC rail.

01

Stable 12V High-Power Output

The GW-NHP350SW-12 delivers a regulated 12V output at up to 29.2A, providing 350.4W of rated output power. It is suitable for network appliances, embedded computers, security equipment, industrial electronics, communication devices, and other systems requiring a reliable 12V DC rail.

02

Ultra-Slim 26 mm Enclosed Structure

With dimensions of 220 × 62 × 26 mm, this power supply can be installed in narrow equipment compartments, compact communication chassis, slim industrial enclosures, and other space-constrained systems. Its metal housing provides mechanical protection while supporting efficient heat dissipation.

03

Wide AC and High-Voltage DC Input

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

04

Fanless Free-Air Convection Cooling

The GW-NHP350SW-12 uses natural convection cooling without an integrated fan. This reduces acoustic noise, moving-part wear, dust intake, and maintenance requirements while supporting reliable continuous operation.

05

Semi-Potted Design for Harsh Conditions

Its semi-potted internal construction improves resistance to vibration, humidity, dust, and environmental stress. This makes the power supply suitable for industrial control cabinets, embedded equipment, security systems, and communication installations.

06

Integrated Protection and Optional System Functions

The power supply incorporates output short-circuit, overcurrent, overvoltage, and overtemperature protection. Optional DC OK signaling and redundant operating functions can also support system 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 3.3V 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 control systems, and high-current 5V equipment
GW-NHP350SW-12 Network appliances, security systems, embedded computers, communication devices, and general 12V industrial loads
GW-NHP350SW-15 Analog circuits, laboratory instruments, communication equipment, and specialized industrial electronics
GW-NHP350SW-24 PLC systems, automation equipment, control cabinets, relays, sensors, and factory-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, and specialized 55V system loads

DEPLOYMENT SCENARIOS

Where GW-NHP350SW-12 fits best.

The GW-NHP350SW-12 is designed for compact equipment that requires a stable and relatively high-power 12V rail. Its slim enclosure, fanless cooling, wide input range, and optional monitoring functions make it suitable for continuously operating network, security, embedded, and industrial platforms.

Deployment Scenario Application Value
Network Appliances Supplies 12V power to routers, switches, access devices, firewalls, gateways, and communication controllers
Security and Surveillance Systems Supports NVRs, access-control equipment, security controllers, monitoring devices, and integrated surveillance platforms
Embedded Computing Equipment Powers embedded PCs, industrial motherboards, interface modules, edge-computing systems, and custom electronic assemblies
Industrial Electronics Provides stable power for control boards, HMI systems, test equipment, sensors, and specialized automation devices

POWER DESIGN

Reliability notes for continuous operation.

The GW-NHP350SW-12 combines a 350.4W 12V output with active PFC, natural convection cooling, and semi-potted construction. Its slim form factor is designed for equipment requiring reliable DC power where space, noise, and long-term durability are important.

  • Supports 90–264Vac universal input and 127–370Vdc input.
  • Delivers 12V at up to 29.2A with 350.4W rated output power.
  • Built-in active PFC improves input current quality.
  • Provides efficiency of up to 91% under specified operating conditions.
  • Uses fanless free-air convection cooling.
  • Semi-potted construction improves resistance to vibration and 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 clearance 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 conductors rated to safely carry up to 29.2A 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 output voltage with a calibrated meter before connecting sensitive equipment
Cable Length Keep high-current output wiring as short as practical to limit voltage loss
Temperature Management Apply suitable load derating or additional enclosure airflow near the upper temperature limit
Optional Signals Confirm interface logic and wiring requirements before using DC OK or redundancy functions

FAQ

Frequently asked questions about GW-NHP350SW-12.

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

What type of power supply is the GW-NHP350SW-12?

It is a slim enclosed AC/DC switching power supply with a regulated 12V output, active PFC, screw-terminal connections, and fanless convection cooling.

What are the dimensions of the GW-NHP350SW-12?

The power supply measures 220 × 62 × 26 mm, making it suitable for slim equipment enclosures and space-constrained 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 12V at up to 29.2A, providing 350.4W of rated output power.

Is it suitable for network and security equipment?

Yes. Its regulated 12V output is suitable for routers, gateways, access-control systems, NVRs, embedded computers, and similar electronic equipment.

Does the power supply require an integrated cooling fan?

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

What protection functions are included?

The unit includes output short-circuit, overcurrent, overvoltage, and overtemperature protection.

Can it support power-status monitoring or redundant operation?

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

KEEP EXPLORING

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