Maximum allowed Temperature on Busbar length and Joints

Maximmum allowed Temperature on Busbar length and Joints-connection for Aluminium or Copper Busbar material considering Coating type.
Maximum allowed temperature on Busbar length and Joints-connection for Aluminium or Copper Busbar material
Busbar
Material		Busbar
Coating		Maximum
Temperature (*C)
AluminiumBare – No Coating90 *C
AluminiumTin Coated125 *C
AluminiumBare with
Polyolefin Sleeve		Bare Al 90 *C
Polyolefin 90 *C max
Combine limit 90 *C
CopperBare – No Coating140 *C
CopperTin Coated125 *C
CopperBare with
Polyolefin Sleeve		Bare Cu 140 *C
Polyolefin 90 *C max
Combine limit 90 *C
CopperBare with
Matt Black Paint		Bare Cu 140 *C
Improved cooling by Radiation.
Maximum allowed temperature on the busbar and connections
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