标准参考CSA C22.2 NO.210 (最新为2011版)
Table 1
Operating temperature limits for conductors
(See Clause 4.1.2.)
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Conductor Temperature limit, °C
Copper, uncoated, each strand less than 0.38 mm in diameter 150
Copper, uncoated, each strand at least 0.38 mm in diameter 200
Copper, tin coated, each strand less than 0.38 mm in diameter 150
Copper, tin coated, each strand at least 0.38 mm in diameter 200
Copper, silver coated 200
Copper, nickel coated 250 (550 if Class 27)
Iron, nickel plated 250
Copper alloy 200
Resistance wire, solid or spirally wound around a fibrous core, 200
with or without a shorting bar
Copper, busbars tin coated, laminated or single 105
Steel, tin coated or copper coated, tin coated or uncoated ground strap 105
Copper-clad steel, uncoated, each strand less than 0.38 mm in diameter 150
Copper-clad steel, uncoated, each strand at least 0.38 mm in diameter 200
Copper-clad steel, tin coated, each strand less than 0.38 mm in diameter 150
Copper-clad steel, tin coated, each strand at least 0.38 mm in diameter 200
Nickel 550
Nickel alloy 250
Monel 250
Steel, tin coated, dead soft 105
Nickel iron chromium 550
Cadmium chromium copper, silver coated 250
CSA C22.2 NO.210-2005( Update 1-2006) 标准更新
http://bbs.angui.org/forum.php?mod=viewthread&tid=81215&fromuid=1409
UL758里.Table5.2里,
能做250度的也只有这些金属材料:
Copper, nickel-coated
Copper alloy, annealed, or hard-drawn, nickel-coated
Stainless steel
Nickel-plated iron
若是裸铜或者镀锡铜,也只能做200度的.
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