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IEC 60906-1.
IEC 60906-1是由国际电工委员会在1986年制订的家用交流电源插头与插座标准,额定电压230V,额定电流16A。国际电工委员会把此插座定为N型。
到目前为止,全世界仅有南非及巴西采用此标准。
南非
南非于2013年推出了基于国际标准 IEC 60906-1 的国家标准 SANS 164-2,用于取代基于英国标准 BS 546 的 SANS 164-1。南非的电压是230V,频率50Hz。
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IEC 60906-1 插座
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四个 SANS 164-2 插座
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南非的新旧插座
巴西
巴西的 NBR 14136 标准并不完全相容于 IEC 60906-1,但仍被视作N型插座及插头。巴西的电压是127V及220V,却没有采用为125V电力系统而设的 IEC 60906-2。
在 NBR 14136 中,定义了直径4mm的10A版本及4.8mm的20A版本,没有采用 IEC 60906-1 所定义的4.5mm 16A标准。此外,10A插座也可以插入欧洲C型插头。
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巴西 NBR 14136 插头
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两脚及三脚10A插头,以及10A插座
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20A插座
限制
此标准的目标是建立统一的家用插座及插头标准,但使用不带保险丝的N型插头替代带保险丝的英式插头(BS 1363)会产生安全问题。
英国标准(BS 7671)的电力布线大量采用32A环状线路为插座供电。但32A超过了电器电缆所能承受的载流量,因此每个插头均须加装保险丝作保护用途,以免电缆在电器故障时起火。因此 IEC 60906-1 无法在英国及其他采用英式布线的地区中使用。
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