Mascot 9920 24V vs Mean Well GST40A24
Two go-to 24V/40W desktop adaptors. Both are well-engineered; the difference is in noise, certifications, and where you can get one tomorrow morning.
| Spec | Mascot 9920 24V/40W | Mean Well GST40A24 |
|---|---|---|
| Output | 24V / 1.67A / 40W | 24V / 1.67A / 40W |
| Efficiency | >88% (Level VI) | >89% (Level VI) |
| Ripple / noise | <150 mVpp | <240 mVpp |
| Medical EN 60601 option | Yes (9921 medical variant) | Separate GSM family |
| Safety | EN 62368, EN 55032 Class B | EN 62368, EN 55032 Class B |
| Warranty | 1 year | 3 years |
| UK stock | Wokingham, next-day | Distributor stock |
Our verdict
Pick the Mascot 9920 for low-noise applications (broadcast, instrumentation) or when you also need an EN 60601 medical variant in the same family. The GST40A24 is fine for commercial loads where ripple is not critical.
View the Mascot 9920 24V/40W £66.72 + VAT · £80.06 Inc. VAT
- UK stock, next-day available
- 1-year warranty
- UK engineers: 01189 795319