Schneider Electric 9001-KA3 Contact Block

Schneider Electric Harmony 9001KA3 contact block with protected terminals is a 30 mm panel-mount accessory for Harmony 9001K and 9001SK pushbuttons. The red KA3 cover denotes normally closed operation (1NC), and the block provides a single NC contact with silver-alloy contacts, designed for straightforward wiring via screw-clamp terminals and a positive-opening mechanism for reliable make/break action. Rated for 0–600 V and up to 3 A at 240 VAC (550 mA at 125 VDC), it fits standard control circuits and supports rugged use in industrial environments. The Fingersafe design helps protect fingers and meets safety standards, with the KA3 block integrating with Schneider Electric's Harmony 9001 family and its protected terminals and robust mounting for safe, reliable operation. The 9001KA3 is a common companion for 30 mm pushbutton assemblies, enabling expansion of contact functionality without altering the operator body, while preserving a compact footprint and secured wiring through captive terminal screws.