Symbol 6303 from IEC 60417 - Title/Meaning: Welding time, intermittent mode Function/description: To identify the switch for or to indicate the control function of the intermittent (stitch) welding at rated maximum welding time expressed in minutes and seconds during an uninterrupted time of 60 min at the rated maximum welding current at an ambient temperature of 20 °C.
Additional information: 
See also IEC 60417-6302 and ISO 7000-0468.
IEC 60417-C00417;3C/1966/DC, Notification of Validation;3C/1992/INF, Report of Validation
Own work using: iso.org/obp/graphics/grs/802e1647-0741-4efb-9fad-54cd4f6f97df 200.png
Vectorization:  Mrmw