IEC 60447:2004

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
  4.1 Basic principles
  4.2 Operating sequence
5 Actions and effects
  5.1 Actions to initiate opposite effects
  5.2 Stopping an effect
  5.3 Emergency STOP actuator
  5.4 Actions to initiate only one effect
6 Actuator identification requirements
  6.1 Visual signal
  6.2 Acoustic signal
  6.3 Tactile signal
7 Requirements for special kinds and particular use of actuators
  7.1 Single actuator for combined start/stop control
  7.2 Push-pull buttons
  7.3 Raise and lower with a lever
  7.4 Foot-operated actuators
  7.5 Numeric/alphanumeric keys
  7.6 Function keys
  7.7 Sensitive areas (actuators) on a visual display unit (VDU)
Annex A (normative) Classification of, and correlation between,
                      actions and their resulting final effects
Annex B (informative) Typical examples of monofunction actuators
Bibliography

IEC 60447:2004 Establishes general actuating principles for manually operated actuators forming part of the man-machine interface associated with electrical equipment, in order to increase the safety through the safe operation of the equipment and facilitate the proper and timely operation of the actuators. It has the status of a basic safety publication in accordance with IEC Guide 104.