ABB's Screwless SNK Series PI-Spring Terminal Block

Screwless Terminal Blocks
Screwless SNK Series PI-Spring Terminal Block features a special spring design that lets the installer lock a
screwdriver onto a terminal connected to unprepared flexible conductors, freeing the installer’s hands to manipulate
wires and hold circuit drawings. The terminal blocks combine push-in and spring technologies for efficient connections
to solid and stranded wires, either with or without ferrules and feature self-guiding wire entries that enable direct,
one-step, push-in insertions with solid wires and stranded wires with ferrules that are reportedly 50% faster than
terminal blocks with screw clamps.