QK style connectors commonly have 1/4″ (6.3mm) terminals and are used for cable connection applications with no excessive current requirements. Also known as QC connectors, ACX2692BL, ACX2693BL, ACX2694BL, ACX2696BL and ACX2697BL can be used in place of QK connectors.
QL style connectors have 3/8″ (9.8mm) terminals and are used in high current circuits. These connectors are commonly used for fusible link or power wire connections. ACX2724, ACX2725, ACX2726 and ACX2727 can be used in place of QK connectors.