The ABB CEL18-10 is a reliable auxiliary contact block designed for seamless integration in control systems. This unit features a single normally open (1 No) auxiliary contact and offers screw connections with cable clamps, making wiring straightforward. Built to handle up to 1 million mechanical cycles, it ensures long-lasting performance in demanding industrial environments. The contact block supports wire sizes ranging from 1 to 4 sq-mm for rigid solid wires and 0.75 to 2.5 sq-mm for flexible wires, accommodating a variety of setups. Rated for voltages up to 125 VAC and an insulation voltage of 250 V, it delivers safe and efficient operation. With a recommended tightening torque of 1 N-m, this piece is both sturdy and user-friendly. The CEL18-10 operates with low current, handling 0.1 amps across AC and DC voltages, making it a versatile choice. It has an IP20 enclosure rating, offering protection suitable for typical industrial applications. Distributed by BSP Automation, this auxiliary contact block is a solid pick for those looking to add dependable auxiliary contacts to their control panels—no fuss, just solid performance. Also referenced as 320500258597, the CEL18-10 is a top-notch part you can count on.