IEC 63435 Pre-release version
IEC 63435:2025 PRV
Nuclear facilities - Human machine interfaces - Operator support systems
This Final Draft International Standard is an up to 6 weeks' pre-release of the official publication. It is available for sale during its voting period: 2025-05-09 to 2025-06-20. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.
IEC 63435:2025 specifies the characteristics of operator support systems (OSS) used by the control room staff, maintenance engineers and emergency response staff, establishes general principles for OSS lifecycle and requirements for OSS design following the human factors engineering (HFE) programme. This document also gives the human factors guidelines and the verification and validation (V&V) requirements for OSS design.
This document is applicable to new nuclear facilities whose conceptual design is initiated after the publication of this document but it can also be used for designing OSS in existing nuclear facilities.
IEC 63435:2025 specifies the characteristics of operator support systems (OSS) used by the control room staff, maintenance engineers and emergency response staff, establishes general principles for OSS lifecycle and requirements for OSS design following the human factors engineering (HFE) programme. This document also gives the human factors guidelines and the verification and validation (V&V) requirements for OSS design.
This document is applicable to new nuclear facilities whose conceptual design is initiated after the publication of this document but it can also be used for designing OSS in existing nuclear facilities.
CHFÂ 375.-
Technical committee
TC 45/SC 45A Instrumentation, control and electrical power systems of nuclear facilitiesCategory
Quality Assurance - Safety| Publication type | International Standard |
| Publication date | 2025-05-09 |
| Edition | 1.0 |
| ICS | 27.120.20 |
| Stability date | 2028 |
| Pages | 34 |
| File size | 770.10 KB |