ABB: Screwless Terminal Blocks

Oct. 20, 2014
The SNK Series PI-Spring terminal blocks allow faster and easier connections.

The new series enables the installer to lock a screwdriver onto a terminal connected to unprepared flexible conductors. This frees the installer's hands to manipulate wires and hold circuit drawings. The blocks combine push-in and spring technologies for efficient connections to solid and stranded wires, either with or without ferrules. They also feature self-guiding wire entries that enable direct, one-step, push-in insertions with solid wires and stranded wires with ferrules that are 50 percent faster than terminal blocks with screw clamps. They also allow stranded wire to be inserted with a screwdriver to open the spring clamp. Reducing connection time for push-in mode and eliminating the need to prepare stranded wires for spring mode make installation quick and easy for both methods. The units can help reduce inventory by up to 50 percent, as they eliminate the need to stock a separate line for solid and ferruled stranded wires, and another separate line for unprepared stranded wires.

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ABB, Inc.