EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

TVs & monitors · 75″ · 3840×2160 · LED LCD

Optoma N3751K

G
Power, SDR
235.0 W
Running cost
€97 / year
4 h a day

What it will cost you

Period N3751K
1 year €97
5 years €486
10 years €972
15 years €1,457

Power in SDR and HDR

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 172 €49
4 hours a day 343 €97
8 hours a day 686 €194

Label and product sheet

Energy class SDR / HDR
G / –
On-mode power SDR
235.0 W
Standby / networked standby
0.4 W
Screen diagonal
75″
Resolution
3840×2160
Panel
LED LCD
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
1 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Optoma under one model number.

N3751K

  1. First published in the EU register (EPREL)
  2. Placed on the EU market

Questions

How much does the Optoma N3751K cost to run?

At 4 hours a day it uses about 343 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €97 a year, or €972 over ten years.