Bare Schneider Electric aluminum Cable connectors for the Compact NSX 100/160/250 and Easy Pact CVS 100/160/250. These connectors can receive 1 copper or aluminum Cable from 25 mm 2 C 2 to 95 mm 2 C 2 C 2. The connectors snap directly to the device terminals or are clipped to the terminal extensions. They are sold in sets of 4. No use of highly toxic metals, no use of mercury