The Series 61 E-Stops offer 16-mm mounting for applications where panel space is limited. The switch components for actuators and contact blocks are precision molded for a mechanical life that exceeds 250,000 operations. The devices have an actuator shape that prevents blockage from foreign objects, a black indicator ring visible from long distances, and available key release actuators. Options include silver or gold contacts and screw or solder quick-connect terminals.EAO Switch Corp., 98 Washington St., Milford, CT 06460, (203) 877-4577, www.eaoswitch.com