This standard specifies thermal fuses installed in electrical equipment, electronic equipment, and components. Typically, these are intended for indoor use and are intended to protect said equipment and components from excessive temperature increases in abnormal situations.
JIS C 6691:2003 history
2019JIS C 6691:2019 Thermal-links -- Requirements and application guide
2016JIS C 6691 AMD 2:2016 Thermal-links -- Requirements and application guide (Amendment 2)
2013JIS C 6691 AMD 1:2013 Thermal-links -- Requirements and application guide (Amendment 1)
2009JIS C 6691:2009 Thermal-links -- Requirements and application guide
2003JIS C 6691:2003 Thermal-links -- Requirements and application guide
2000JIS C 6691:2000 Thermal-links -- Requirements and application guide