There are limits to how much money you can withdraw from and ATM and use to make purchases. These limits apply to your total transactions in store or online as well as ATM withdrawals. For example, if you have withdrawn 10 000 SEK in an ATM, you can make purchases for a total of 40 000 SEK the same day.
Per day: Max 50.000 SEK in total per day
Per week: Max 200.000 SEK in total per week
Per month: Max 400.000 SEK in total per month
Per year: Max 4.000.000 SEK in total per year
There are also limits to how much you can withdraw from an ATM. Read more here.