How efficient is this adaptor in terms of energy consumption and heat generation?

No load power consumption <0.3W for GS40/60 and Energy efficiency Level V indicate that this adaptor is efficient in terms of energy consumption.

Is this adaptor compatible with devices that require less than 90W power?

Yes, this adaptor can be used with devices that require less than 90W power, as it has a maximum output of 90W.

Yes, this adaptor can be used with devices that require less than 90W power, as it has a maximum output of 90W.

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MEAN WELL MW GS90A24-P1M 24V 3.75A 90W AC-DC Green Industrial Adaptor