Schneider Electric’s Harmony 30 mm 9001KA1 contact block (also cataloged as 9001KA-1) provides a Form C accessory for 30 mm pushbuttons in the K, SK, or KX family, delivering 1 normally open and 1 normally closed contact in a single block. It mounts with Harmony 9001K/SK/KX operators and features finger-safe contacts along with automatic self-grounding of the assembly without additional wiring. Note that 9001KA contact blocks have no pins; the NC terminals are labeled 1–2 and the NO terminals labeled 3–4, with ratings up to 600 VAC at 10 A (NEMA A600) or up to 600 VDC at 2.5 A (NEMA Q600).
