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norstar davr-1500 1500w step up/down voltage transformer and automatic 🔌 voltage regulator stabilizer – convert 110/120v to 220/240v or 220/240v to 110/120v logo

Norstar DAVR-1500 1500W Step Up/Down Voltage Transformer and Automatic 🔌 Voltage Regulator Stabilizer – Convert 110/120V to 220/240V or 220/240V to 110/120V Review

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Average

Revainrating 3 out of 5  
Rating 
3.0
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Description of Norstar DAVR-1500 1500W Step Up/Down Voltage Transformer and Automatic 🔌 Voltage Regulator Stabilizer – Convert 110/120V to 220/240V or 220/240V to 110/120V

Norstar DAVR-1500 110/120 to 220/240 or 220/240 to 110/120 Step UP and Down Voltage transformer and Automatic Voltage Regulator. Digital display meters are more accurate stable and easy to read the voltage status at a glance. This unit comes with individual circuti breakers for both input and output voltage along with dual swiches which ensures double protection. This unit has a built-in new generation CPU which ensures consistency and stability to the AVR unit. 1500 Watt Max Load Capacity. Great for electronics and refrigeration appliances. Single Phase. Input/Output frequency 50Hz.

Reviews

Global ratings 3
  • 5
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  • 4
    1
  • 3
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  • 2
    1
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Type of review

Revainrating 2 out of 5

Poor performance, high idle boost

I compared LiteFuze and Norstar, at 1500W:1/4 load this unit was 89.6% efficient. Other brand 95.5%. The voltage at 1/4 load was 213 off, 120 volts on but the display kept showing 220. Terrible. The output voltage at full load dropped to 207 and the efficiency at 82.5% was significantly worse than the Litefuze. This device consumed 18 watts in standby mode, another brand 5 watts. I was disappointed and sent the device back. I would recommend buying a different brand.

Pros
  • Great price
Cons
  • Not the best

Revainrating 4 out of 5

The air is cool, so it will warm up.

I like the design, with counters you know your inputs and outputs. The delay function is good for load protection. The transformer got a little warmer than I expected, even with a 120W load for 4 hours, but that's normal. I hope that if I ever use it up to 50% of its power (750W) continuously, the device won't burn out on me. I bought it for use in the US to provide 220V/60Hz power. The weight of the device is okay with 1500W of power. The price is good. So far so good and I would recommend it.

Pros
  • Great design
Cons
  • Write later

Revainrating 3 out of 5

very far from European and of course American standards

I finally have this device. It was defective: stop/start button with intermittent contact, intermittent screen, poor regulation calibration. I opened it up and put back the missing chemical capacitor! Replaced the on/off switch and recalibrated the instrument. I note that the interior is extremely poorly made with non-insulated sector wires along the body (in fact, the fragile back cover was deformed during transport due to the weight of the transformer). This product is far from meeting…

Pros
  • Satisfied at the moment
Cons
  • The list will be long.