D4B-4117N - Omron Rod Aluminium Limit Switch, 1NC/1NO (Aluminium)The D4B 4117N is a dependable limit switch from Omron, part of the D4B N series. Designed with a Rod actuator and a durable Aluminium housing, this switch provides 1NC 1NO contact configuration with Aluminium environmental protection. with Snap Action operation, designed for accurate position detection and end of travel switching in industrial machinery, conveyor systems, and automated production lines.