4.3mm nominall Overall Diamater

Flexible plain annealed copper conductors 

Voltage Rating: 600/1000 volts 

Temperature Limits: -30°C to +105°C

Tri-Rated cable (also known as BS6231 control panel wire or switchgear cable) is a fire retardant cable used in electrical cabinets, switch control, relay and instrumentation panels of power switchgear.