NEC NP-UM351W Ultra Short Throw Projector

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DLP Projector with 3500 ANSI Lumen Brightness, Contrast of 4000:1 and 1280 x 800 Resolution



NEC NP-UM351W 3500-lumen Widescreen Ultra Short Throw Projector

A 3500-lumen ultra short throw projector that packs a multitude of features for education and corporate applications.

A complete interactive projector solution can be created using the optional NP04Wi interactive system (dual pens) with auto calibration. This projector can be mounted to the wall directly above the screen on which it projects, this model helps eliminate the shadows and glare typically found with standard projection systems.

A powerful 20W speaker system is included, closed captioning and RJ-45 for remote control management over network, dual HDMI inputs, VGA and a microphone input to amplify the presenter’s voice.

  • Ultra short throw lens (0.36:1 throw ratio) helps eliminate shadows on the screen along with projected light in the presenter’s eyes created by traditional front projection systems
  • Comprehensive input/output panel, including dual HDMI, VGA and a microphone input
  • ECO Mode™ technology helps extend lamp life and lowers power consumption
  • Horizontal & Vertical Keystone adjustment or Cornerstone Correction ensures the image will fill the screen every time
  • Remote monitoring and control of projector over network saves IT employee time and reduces costs related to projector operation
  • Optional interactive system (dual pens) with auto calibration allows for annotation and collaboration on a whiteboard locally or via web meetings
  • Available as a bundle with one widescreen ultra short throw projector and NP04WK1 wall mount kit (NP-UM351W-WK)
  • Available as a bundle with one widescreen ultra short throw projector, NP04Wi interactive module and dual stylus pens, and NP04WK1 wall mount kit (NP-UM351Wi-WK)
  • Available as a bundle with projector, interactive module, touch module and custom wall mount (NP-UM351WI-TM)


Dual Computer Inputs
Ensures quick switching between presentations.

Dual HDMI inputs (with HDCP)
Ensure quick switching between presentations and allows for simultaneous digital connections of high-definition sources, such as Blu-ray players, cable boxes, satellite receivers and computers

ECO Mode™
Extends lamp life, lowers audible noise and reduces total cost of ownership.

Power Management
Enables projector to automatically turn off when an incoming signal is not detected from any of the inputs.

USB Viewer
Permits playback (without a PC) of presentations or display images stored as JPG files from a USB flash drive.

Variable Audio Out
Adjusts the volume of an external speaker system using the projector’s remote control.

Virtual Remote
Used over the VGA cable to control the projector directly from a computer without the need for additional control cables.

Wireless LAN (Optional)
Allows you to transmit images from a PC wirelessly to the projector, eliminating the need for traditional cumbersome cables.

Image Express Utility Lite with audio transfer
provides wired and wireless data transmission via peer-to-peer or over the network

20W Audio
Powerful 20-watt speaker provides volume needed for large rooms

Wired Network Connection
Integrated RJ45 connection for quick connection to the LAN (10/100 base-T capability).

Advanced AccuBlend™
Ensures detailed images when non-native resolution sources are connected to the projector.

Auto Power On
Powers on the projector as soon as it is plugged into a power outlet.

Intuitively syncs the projector with most computer signals and features one-touch image optimization.

Built-In Closed Captioning
Enables decoding and display of text information from a video.

Built-in Wall Color Correction
Presets provide for adaptive color tone correction to display properly on non-white surfaces.

Carbon Savings Meter
Calculates the positive effects of operating the projector in ECO Mode, which is encouraged by an optional message at startup. A green ECO Mode button on the remote control makes the switch easy.

Crestron Roomview
Provides unified management, including the ability to switch the power on and off for multiple projectors connected to a network.

Direct Power Off
Protects the lamp when the projector is accidentally unplugged or the power strip is switched off. Enables the fan to continue running until the lamp is properly cooled down. Internal sensors monitor lamp temperature and prevent the lamp from powering on.


Aspect Ratio16×10Native ResolutionWXGA 1280×800
Maximum ResolutionWUXGA 1920 x 1200Contrast Ratio (typical)4000:1

Synchronization Range

Horizontal (Analog/Digital)15-100 kHzVertical50-120 Hz

Signal Compatibility/Connectivity

Supported Video StandardsNTSC, NTSC4.43, PAL, PAL-M, PAL-N, PAL 60, SECAMSD/HD Video Signal Compatibility480i, 480p, 576i, 576p, 720p, 1080i, 1080p
PC Signal CompatibilityVGA, SVGA, XGA, WXGA, WXGA+, SXGA, SXGA+, UXGAMacintosh Signal CompatibilityYes
Microphone1/8 in. stereoSync CompatibilitySeparate Sync / Composite Sync / Sync on G
External ControlRS-232, IR, Wired LAN, DDC/CI, USB, Wireless LAN (optional)Input Terminals
VGA 15-pin D-sub, Component video using ADP-CV 1E adapter
USB A Type
Video 1:
Audio 1:
1/8 in. stereo
Audio 2:
L/R RCA (shared by video sources)
Output Terminals
Yes (variable)
Monitor Out:
VGA 15-pin D-sub

Power Consumption (typical)

On337W / 221W / 8W / 0.2WInput Current3.8A/1.6A
Power Requirements100-240V AC, 50/60 Hz 

Physical Specifications

Dimensions (WxHxD)
16.9 x 23.3 x 4.4 in. / 429 x 592 x 112mm
Net Weight:
12.4 lbs. / 5.6 kg

Environmental Conditions

Operating Temperature41-104°F / 5-40°CStorage-4-122°F / -20-50°C

Limited Warranty (parts & labor)

Registered owners receive a 3 year parts and labor warranty including InstaCare next business day exchange. One year on lamp. 

Additional Features

  • Microphone Input
  • Wireless LAN (Optional)
  • USB Viewer
  • 6000 hour Filter Life
  • Auto power on
  • ECO Mode technology
  • Closed captioning
  • Variable audio out
  • Carbon savings meter
  • Virtual Remote
  • Sleep timer
  • Quick power-off
  • Built-in wall color correction
  • Advanced AccuBlend
  • AutoSense
  • Wireless Image Utility


Display Technology0.59″ LCD w/ MLALight Output(Lumens)3500
Lamp Type255W ACLamp Life (up to)3800 hours normal / 6000 hours eco
Screen Size (diagonal)58 to 110 in. / 1.47 to 2.79mThrow Ratio0.36 to 1
Projection Distance1.47 to 2.8 ft. / 0.45 to 0.85mProjector Angle49.2°
1 to 1.4
F number, fnumber:
Keystone Correction+/- 10° horizontal, +/- 10° vertical


Installation OrientationFloor/Front, Floor/Rear, Ceiling/Front, Ceiling/RearFan Noise38 dB normal / 28 dB eco
RegulationsUSA UL 60950-1 FCC Class B, C-UL CSA 60950-1 ICES-003 Class B 

Light Output


Fan Noise

38 dB normal / 28 dB eco 


USA UL 60950-1 FCC Class B, C-UL CSA 60950-1 ICES-003 Class B 

Additional information



Projector Aspect Ratio


Projector Brightness

3000 – 3999 ANSI Lumens

Projector Features


Projector Type

Projector Connections

Network, HDMI, USB


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