NEWS Alpha 6000 series has been updated to compliant with EN ISO13849-1:2015, PLe Cat. 3. 2024-12-18 Notice 2024-03-13 Alpha 600XS series is compliant with EN ISO 13849-1:2015 PLe, Cat.3 2022-04-25 Alpha 6000 EN ISO13849-1:2015, PLe Cat.4 certified on Nov. 28, 2019. 2019-12-09 Alpha 600XS series E-STOP: EN60947 approved, the entire series EN ISO 13849-1, PLd compliant 2015-11-11