# IEC 60204-1:2016 Safety of machinery - Electrical equipment of machines - Part 1: General requirements

Standards · `IEC 60204-1:2016` · verification: source checked

IEC 60204-1:2016 is an international standard for electrical, electronic and programmable electronic equipment and systems of machines not portable by hand while working, including groups of machines working together in a coordinated manner. It gives general requirements starting at the point where the supply connects to the machine's electrical equipment. The sixth edition cancels and replaces the fifth edition and is a technical revision.

## Specification

| Property | Value |
|---|---|
| Body | IEC |
| Reference | IEC 60204-1 |
| Edition year | 2016 |
| Status | published |

## Safety

- Includes requirements for safe torque off (STO) of power drive systems (PDS).
- Includes requirements for emergency stop.
- Includes requirements for control circuit protection.
- Includes protective bonding requirements.
- Includes overcurrent protection requirements.
- Includes requirements for determination of short-circuit current rating.

## Study notes

- Technical committee: TC 44, Safety of machinery - Electrotechnical aspects.
- Publication date: 2016-10-13; edition 6.0; 277 pages; ISBN 9782832236215.
- ICS classifications: 13.110 and 29.020.
- A consolidated version IEC 60204-1:2016+AMD1:2021 CSV corresponds to edition 6.1.
- Edition 7.0 is under development with stage code CD and forecast publication date 2028-04-28.
- The sixth edition cancels and replaces the fifth edition published in 2005 and is a technical revision.
- Significant changes include requirements for power drive systems (PDS), revised EMC requirements, clarified overcurrent protection, short-circuit current rating determination, revised protective bonding requirements and terminology, reorganized Clause 9 with safe torque off, emergency stop and control circuit protection, revised actuator symbols, and revised technical documentation requirements.

## Sources

1. [IEC 60204-1:2016](https://webstore.iec.ch/en/publication/26037) (accessed 2026-10-25)

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