The Omron D4N-4F22 is a snap action limit switch featuring a 3PST-2NC/1NO circuit and a 3A 240V rating. It is designed for chassis mounting with screw terminals.
The Omron D4N-1120 is a snap-action limit switch with a DPST circuit, rated for 3A at 240V. It features a side rotary actuator with a roller and screw terminals.