Be on high alert for scam websites selling Singapore Standards. Toppan Leefung is the appointed vendor for the sale of Singapore Standards on behalf of Enterprise Singapore. Our official website address is If in doubt, please contact us at Tel: 6826 9685 / 6826 9680 or Email:

SS IEC 61508-4:2019

Functional safety of electrical/electronic/programmable electronic safety-related systems – Part 4 : Definitions and abbreviations


Contains the definitions and explanation of terms that are used in parts 1 to 7 of the SS IEC 61508 series of standards.




Status Current
Edition 2019
No. of Pages 37
ICS Classification 25.040.40 Industrial process measurement and control
29.020 Electrical engineering in general
Committee Manufacturing Standards Commitee
Available for Purchase Global
Adoption IEC 61508-4 : 2010 IDT