Assumed service life is 20 years. For detailed information please consult the Product Environmental Profile document published on the web site:
https://www.reach.schneider-electric.com/CheckProduct.aspx?cskey=5w68brvq1lrhy0x6hssi
https://www.reach.schneider-electric.com/CheckProduct.aspx?cskey=5w68brvq1lrhy0x6hssi