In France it's 70 000 euros of deposit per institution: if you have have multiple accounts at the same institution the total insured is 70 000 euros. If you have 70 000 in bank A and 70 000 in bank B and both fail you get back 140 000 from the insurance.

Details, kind of deposits covered and list of institutions covered by the insurance are here:

http://www.garantiedesdepots.fr/spip/article.php3?id_article=6&id_rubrique=6

Delay for repayment is 2 monthes.