MC4接(jie)頭，又(you)被稱為MC4（Multi-Contact 4mm）連(lian)(lian)(lian)接(jie)器，是(shi)當前最(zui)常見的(de)太陽能組件(jian)連(lian)(lian)(lian)接(jie)器之(zhi)一。采用了插拔式設計方案，可(ke)以提供(gong)更好的(de)電(dian)(dian)氣連(lian)(lian)(lian)接(jie)接(jie)地安(an)全防護性能。MC4連(lian)(lian)(lian)接(jie)器具備(bei)防水(shui)、耐腐蝕和持續高(gao)溫等特性，適用室外(wai)光(guang)(guang)伏發電(dian)(dian)站(zhan)和屋頂光(guang)(guang)伏系統軟件(jian)。除(chu)此之(zhi)外(wai)，MC4接(jie)頭是(shi)光(guang)(guang)伏產業的(de)要求連(lian)(lian)(lian)接(jie)器，選用MULTILAM技術性，具有較高(gao)的(de)耐老化和高(gao)回(hui)路電(dian)(dian)阻，但需(xu)要注意避免水(shui)珠和潮濕(shi)。