Mineral-insulated copper-clad cable is a variety of electrical cable made from copper conductors inside a copper sheath, insulated by inorganic magnesium oxide powder. The name is often abbreviated to MICC or MI cable, and colloquially known as pyro (because the original manufacturer and vendor for this product in the UK was a company called Pyrotenax). A similar product sheathed with metals other than copper is called mineral insulated metal sheathed (MIMS) cable.
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Product Overview Mineral Insulated Power Cable:
Mineral Insulated Power Cable short name is MI cable abroad, referred to as mineral insulation cable or fire cable.It is the use of high conductivity of the wire as a conductor, inorganic magnesium oxide insulation, seamless copper tube as a sheath (see cable structure diagram), made by special technology and modern construction cables and special industries (metallurgy, chemical, stone oil, etc.) with the cable.Due to the particularity of its material and structure, this product has the incomparable electrical, mechanical, environmental and environmental performance of organic cable (plastic cable). The continuous working temperature of bare cable reaches 250℃,it can supply power for 3h continuously at 950℃-1000℃,in addition,it can work at copper melting point of 1083℃ in short time or unusual time(melting point of magnesia2800℃)
Test Item |
GB12666.6 |
BS6387 |
IEC60331 |
Burn |
B 750℃ ~850℃ 90min A 950℃ ~1000℃ 90min |
A 650℃ 3h B 750℃ 3h C 950℃ 3h S 950℃ 20min |
750℃ 90min |
Spray |
|
W 650℃ 15min |
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Mechanical impact |
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X 650℃ 15min Y 750℃ 15min Z 950℃ 15min |
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