That’s 60W which is in medium-sized laptop territory, and that’s about the least I’d pay for a PSU of that power level and expect it to work and not kill anyone.
It’s probably because it’s a PoE injector so it needs enough juice to power other devices on the network.
I need a power supply for one a NetGear GS110TP ProSafe Switch. The switch says 48v 1.25A
Surprised by the size and cost of them like this: https://www.amazon.co.uk/KFD-injector-GS116Ev2-Ethernet-SoundPoint/dp/B07QQB9XW3/
is this just what it is, or is there a cheaper smaller option with a wall brick?